maintenance
authorMichael Wallner <mike@php.net>
Wed, 20 Feb 2013 21:43:42 +0000 (22:43 +0100)
committerMichael Wallner <mike@php.net>
Wed, 20 Feb 2013 21:43:42 +0000 (22:43 +0100)
TODO
config.m4
package.xml
php_pq.c [new file with mode: 0644]
php_pq.h [changed from symlink to file mode: 0644]
src/php_pq.c [deleted file]
src/php_pq.h [deleted file]

diff --git a/TODO b/TODO
index 6c64a6213624b52f229e66504e28cf0b3f897e68..97766e3f287a80fc2f2f88bd953107939ed58c4f 100644 (file)
--- a/TODO
+++ b/TODO
@@ -3,7 +3,6 @@
 * pq\Exception
 * pq\Event\Result\Destroy, 
 * pq\Event\Connection\Destroy
-* spprintf -> smartstr
 * fetchInto/fetchCtor?
 * unlisten?
 * LOB stream wrapper
index 18ee2504837b5d288850de491b73f68c1ed62fa2..8301db03f49553b6e76b66f4a063b597bea3ee2c 100644 (file)
--- a/config.m4
+++ b/config.m4
@@ -1,5 +1,5 @@
-PHP_ARG_WITH(pq, for pq support,
-[  --with-pq             Include pq support])
+PHP_ARG_WITH(pq, [whether to enable libpq (PostgreSQL) support],
+[  --with-pq             Include libpq support])
 
 if test "$PHP_PQ" != "no"; then
        SEARCH_PATH="/usr/local /usr /opt"
@@ -17,7 +17,7 @@ if test "$PHP_PQ" != "no"; then
        done
 
        if test -z "$PQ_DIR"; then
-               AC_MSG_FAILURE(could not find include/libpq-events.h)
+               AC_MSG_ERROR(could not find include/libpq-events.h)
        fi
        PHP_ADD_INCLUDE($PQ_DIR/include)
 
@@ -30,11 +30,9 @@ if test "$PHP_PQ" != "no"; then
        ],[
                -L$PQ_DIR/$PHP_LIBDIR
        ])
-       PHP_CHECK_LIBRARY(pq, PQlibVersion, AC_DEFINE(HAVE_PQLIBVERSION, 1, Have PQlibVersion))
+       PHP_CHECK_LIBRARY(pq, PQlibVersion, [AC_DEFINE(HAVE_PQLIBVERSION, 1, Have PQlibVersion)])
 
-       PQ_SRC="src/php_pq.c"
-       PHP_NEW_EXTENSION(pq, $PQ_SRC, $ext_shared)
-    PHP_ADD_BUILD_DIR($ext_builddir/src, 1)
+       PHP_NEW_EXTENSION(pq, php_pq.c, $ext_shared)
     PHP_ADD_EXTENSION_DEP(pq, raphf)
 fi
 
index dce9319b3f29399b98b2af8879cfb665b9f5d685..98375fc17f4d7ef8762a88ef3b118a58804781dd 100644 (file)
@@ -38,10 +38,8 @@ http://pear.php.net/dtd/package-2.0.xsd">
    <file role="doc" name="EXPERIMENTAL" />
    <file role="doc" name="LICENSE" />
    <file role="src" name="config.m4" />
-   <dir name="src">
-    <file role="src" name="php_pq.h" />
-    <file role="src" name="php_pq.c" />
-   </dir>
+   <file role="src" name="php_pq.h" />
+   <file role="src" name="php_pq.c" />
    <dir name="tests">
     <file role="test" name="async001.phpt" />
     <file role="test" name="async002.phpt" />
@@ -51,15 +49,25 @@ http://pear.php.net/dtd/package-2.0.xsd">
     <file role="test" name="async006.phpt" />
     <file role="test" name="basic001.phpt" />
     <file role="test" name="basic002.phpt" />
+    <file role="test" name="bound001.phpt" />
     <file role="test" name="cancel001.phpt" />
     <file role="test" name="copy001.phpt" />
+    <file role="test" name="encoding001.phpt" />
+    <file role="test" name="exceptions001.phpt" />
+    <file role="test" name="exceptions002.phpt" />
+    <file role="test" name="fetch001.phpt" />
+    <file role="test" name="info001.phpt" />
     <file role="test" name="lob001.phpt" />
     <file role="test" name="map001.phpt" />
     <file role="test" name="notify001.phpt" />
+    <file role="test" name="persistent001.phpt" />
     <file role="test" name="reset001.phpt" />
     <file role="test" name="savepoint001.phpt" />
     <file role="test" name="stm_desc001.phpt" />
     <file role="test" name="trans001.phpt" />
+    <file role="test" name="trans002.phpt" />
+    <file role="test" name="types001.phpt" />
+    <file role="test" name="unbuffered001.phpt" />
     <file role="test" name="_setup.inc" />
     <file role="test" name="_skipif.inc" />
    </dir>
@@ -76,7 +84,7 @@ http://pear.php.net/dtd/package-2.0.xsd">
    <package>
     <name>raphf</name>
     <channel>pecl.php.net</channel>
-    <min>1.0.0</min>
+    <min>0.1.0</min>
     <providesextension>raphf</providesextension>
    </package>
   </required>
diff --git a/php_pq.c b/php_pq.c
new file mode 100644 (file)
index 0000000..6743cf6
--- /dev/null
+++ b/php_pq.c
@@ -0,0 +1,5634 @@
+/*
+    +--------------------------------------------------------------------+
+    | PECL :: pq                                                         |
+    +--------------------------------------------------------------------+
+    | Redistribution and use in source and binary forms, with or without |
+    | modification, are permitted provided that the conditions mentioned |
+    | in the accompanying LICENSE file are met.                          |
+    +--------------------------------------------------------------------+
+    | Copyright (c) 2013, Michael Wallner <mike@php.net>                 |
+    +--------------------------------------------------------------------+
+*/
+
+#ifdef HAVE_CONFIG_H
+#      include "config.h"
+#endif
+
+#define SMART_STR_PREALLOC 256
+
+#include <php.h>
+#include <Zend/zend_interfaces.h>
+#include <Zend/zend_exceptions.h>
+#include <ext/standard/info.h>
+#include <ext/standard/php_smart_str.h>
+#include <ext/spl/spl_array.h>
+#include <ext/spl/spl_exceptions.h>
+#include <ext/raphf/php_raphf.h>
+
+#include <libpq-events.h>
+#include <libpq/libpq-fs.h>
+#include <fnmatch.h>
+
+#include "php_pq.h"
+
+typedef int STATUS; /* SUCCESS/FAILURE */
+
+static char *rtrim(char *e) {
+       size_t l = strlen(e);
+
+       while (l-- > 0 && e[l] == '\n') {
+               e[l] = '\0';
+       }
+       return e;
+}
+
+#define PHP_PQerrorMessage(c) rtrim(PQerrorMessage((c)))
+#define PHP_PQresultErrorMessage(r) rtrim(PQresultErrorMessage((r)))
+
+static int php_pqconn_event(PGEventId id, void *e, void *data);
+
+#define PHP_PQclear(_r) \
+       do { \
+               php_pqres_object_t *_o = PQresultInstanceData((_r), php_pqconn_event); \
+               if (_o) { \
+                       php_pq_object_delref(_o TSRMLS_CC); \
+               } else { \
+                       PQclear(_r); \
+               } \
+       } while (0)
+
+/*
+ZEND_DECLARE_MODULE_GLOBALS(pq)
+*/
+
+/* {{{ PHP_INI
+ */
+/* Remove comments and fill if you need to have entries in php.ini
+PHP_INI_BEGIN()
+    STD_PHP_INI_ENTRY("pq.global_value",      "42", PHP_INI_ALL, OnUpdateLong, global_value, zend_pq_globals, pq_globals)
+    STD_PHP_INI_ENTRY("pq.global_string", "foobar", PHP_INI_ALL, OnUpdateString, global_string, zend_pq_globals, pq_globals)
+PHP_INI_END()
+*/
+/* }}} */
+
+/* {{{ php_pq_init_globals
+ */
+/* Uncomment this function if you have INI entries
+static void php_pq_init_globals(zend_pq_globals *pq_globals)
+{
+       pq_globals->global_value = 0;
+       pq_globals->global_string = NULL;
+}
+*/
+/* }}} */
+
+static zend_class_entry *php_pqconn_class_entry;
+static zend_class_entry *php_pqtypes_class_entry;
+static zend_class_entry *php_pqres_class_entry;
+static zend_class_entry *php_pqstm_class_entry;
+static zend_class_entry *php_pqtxn_class_entry;
+static zend_class_entry *php_pqcancel_class_entry;
+static zend_class_entry *php_pqevent_class_entry;
+static zend_class_entry *php_pqlob_class_entry;
+static zend_class_entry *php_pqcopy_class_entry;
+
+typedef enum php_pqexc_type {
+       EX_INVALID_ARGUMENT,
+       EX_RUNTIME,
+       EX_CONNECTION_FAILED,
+       EX_IO,
+       EX_ESCAPE,
+       EX_BAD_METHODCALL,
+       EX_UNINITIALIZED,
+       EX_DOMAIN,
+       EX_SQL
+} php_pqexc_type_t;
+
+static zend_class_entry *php_pqexc_interface_class_entry;
+static zend_class_entry *php_pqexc_invalid_argument_class_entry;
+static zend_class_entry *php_pqexc_runtime_class_entry;
+static zend_class_entry *php_pqexc_bad_methodcall_class_entry;
+static zend_class_entry *php_pqexc_domain_class_entry;
+
+static zend_class_entry *exce(php_pqexc_type_t type)
+{
+       switch (type) {
+       default:
+       case EX_INVALID_ARGUMENT:
+               return php_pqexc_invalid_argument_class_entry;
+       case EX_RUNTIME:
+       case EX_CONNECTION_FAILED:
+       case EX_IO:
+       case EX_ESCAPE:
+               return php_pqexc_runtime_class_entry;
+       case EX_UNINITIALIZED:
+       case EX_BAD_METHODCALL:
+               return php_pqexc_bad_methodcall_class_entry;
+       case EX_DOMAIN:
+       case EX_SQL:
+               return php_pqexc_domain_class_entry;
+       }
+}
+
+static zval *throw_exce(php_pqexc_type_t type TSRMLS_DC, const char *fmt, ...)
+{
+       char *msg;
+       zval *zexc;
+       va_list argv;
+
+       va_start(argv, fmt);
+       vspprintf(&msg, 0, fmt, argv);
+       va_end(argv);
+
+       zexc = zend_throw_exception(exce(type), msg, type TSRMLS_CC);
+       efree(msg);
+
+       return zexc;
+}
+
+static zend_object_handlers php_pqconn_object_handlers;
+static zend_object_handlers php_pqtypes_object_handlers;
+static zend_object_handlers php_pqres_object_handlers;
+static zend_object_handlers php_pqstm_object_handlers;
+static zend_object_handlers php_pqtxn_object_handlers;
+static zend_object_handlers php_pqcancel_object_handlers;
+static zend_object_handlers php_pqevent_object_handlers;
+static zend_object_handlers php_pqlob_object_handlers;
+static zend_object_handlers php_pqcopy_object_handlers;
+
+typedef struct php_pq_callback {
+       zend_fcall_info fci;
+       zend_fcall_info_cache fcc;
+       void *data;
+} php_pq_callback_t;
+
+typedef struct php_pq_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       void *intern;
+} php_pq_object_t;
+
+#define PHP_PQCONN_ASYNC 0x01
+#define PHP_PQCONN_PERSISTENT 0x02
+
+typedef struct php_pqconn {
+       PGconn *conn;
+       int (*poller)(PGconn *);
+       php_resource_factory_t factory;
+       HashTable listeners;
+       HashTable eventhandlers;
+       php_pq_callback_t onevent;
+       unsigned unbuffered:1;
+} php_pqconn_t;
+
+typedef struct php_pqconn_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqconn_t *intern;
+} php_pqconn_object_t;
+
+typedef struct php_pqtypes {
+       HashTable types;
+       php_pqconn_object_t *conn;
+} php_pqtypes_t;
+
+typedef struct php_pqtypes_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqtypes_t *intern;
+} php_pqtypes_object_t;
+
+typedef struct php_pqconn_event_data {
+       php_pqconn_object_t *obj;
+#ifdef ZTS
+       void ***ts;
+#endif
+} php_pqconn_event_data_t;
+
+typedef enum php_pqres_fetch {
+       PHP_PQRES_FETCH_ARRAY,
+       PHP_PQRES_FETCH_ASSOC,
+       PHP_PQRES_FETCH_OBJECT
+} php_pqres_fetch_t;
+
+typedef struct php_pqres_iterator {
+       zend_object_iterator zi;
+       zval *current_val;
+       unsigned index;
+       php_pqres_fetch_t fetch_type;
+} php_pqres_iterator_t;
+
+typedef struct php_pqres {
+       PGresult *res;
+       php_pqres_iterator_t *iter;
+       HashTable bound;
+} php_pqres_t;
+
+typedef struct php_pqres_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqres_t *intern;
+} php_pqres_object_t;
+
+typedef struct php_pqstm {
+       php_pqconn_object_t *conn;
+       char *name;
+       HashTable bound;
+} php_pqstm_t;
+
+typedef struct php_pqstm_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqstm_t *intern;
+} php_pqstm_object_t;
+
+typedef enum php_pqtxn_isolation {
+       PHP_PQTXN_READ_COMMITTED,
+       PHP_PQTXN_REPEATABLE_READ,
+       PHP_PQTXN_SERIALIZABLE,
+} php_pqtxn_isolation_t;
+
+typedef struct php_pqtxn {
+       php_pqconn_object_t *conn;
+       php_pqtxn_isolation_t isolation;
+       unsigned savepoint;
+       unsigned open:1;
+       unsigned readonly:1;
+       unsigned deferrable:1;
+} php_pqtxn_t;
+
+typedef struct php_pqtxn_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqtxn_t *intern;
+} php_pqtxn_object_t;
+
+typedef struct php_pqcancel {
+       PGcancel *cancel;
+       php_pqconn_object_t *conn;
+} php_pqcancel_t;
+
+typedef struct php_pqcancel_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqcancel_t *intern;
+} php_pqcancel_object_t;
+
+typedef struct php_pqevent {
+       php_pq_callback_t cb;
+       char *type;
+       ulong h;
+} php_pqevent_t;
+
+typedef struct php_pqevent_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqevent_t *intern;
+} php_pqevent_object_t;
+
+typedef struct php_pqlob {
+       int lofd;
+       Oid loid;
+       php_pqtxn_object_t *txn;
+} php_pqlob_t;
+
+typedef struct php_pqlob_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqlob_t *intern;
+} php_pqlob_object_t;
+
+typedef enum php_pqcopy_direction {
+       PHP_PQCOPY_FROM_STDIN,
+       PHP_PQCOPY_TO_STDOUT
+} php_pqcopy_direction_t;
+
+typedef enum php_pqcopy_status {
+       PHP_PQCOPY_FAIL,
+       PHP_PQCOPY_CONT,
+       PHP_PQCOPY_DONE
+} php_pqcopy_status_t;
+
+typedef struct php_pqcopy {
+       php_pqcopy_direction_t direction;
+       char *expression;
+       char *options;
+       php_pqconn_object_t *conn;
+} php_pqcopy_t;
+
+typedef struct php_pqcopy_object {
+       zend_object zo;
+       zend_object_value zv;
+       HashTable *prophandler;
+       php_pqcopy_t *intern;
+} php_pqcopy_object_t;
+
+static HashTable php_pqconn_object_prophandlers;
+static HashTable php_pqtypes_object_prophandlers;
+static HashTable php_pqres_object_prophandlers;
+static HashTable php_pqstm_object_prophandlers;
+static HashTable php_pqtxn_object_prophandlers;
+static HashTable php_pqcancel_object_prophandlers;
+static HashTable php_pqevent_object_prophandlers;
+static HashTable php_pqlob_object_prophandlers;
+static HashTable php_pqcopy_object_prophandlers;
+
+typedef void (*php_pq_object_prophandler_func_t)(zval *object, void *o, zval *return_value TSRMLS_DC);
+
+typedef struct php_pq_object_prophandler {
+       php_pq_object_prophandler_func_t read;
+       php_pq_object_prophandler_func_t write;
+} php_pq_object_prophandler_t;
+
+static zend_object_iterator_funcs php_pqres_iterator_funcs;
+
+static zend_object_iterator *php_pqres_iterator_init(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC)
+{
+       php_pqres_iterator_t *iter;
+       zval *prop, *zfetch_type;
+
+       iter = ecalloc(1, sizeof(*iter));
+       iter->zi.funcs = &php_pqres_iterator_funcs;
+       iter->zi.data = object;
+       Z_ADDREF_P(object);
+
+       zfetch_type = prop = zend_read_property(ce, object, ZEND_STRL("fetchType"), 0 TSRMLS_CC);
+       if (Z_TYPE_P(zfetch_type) != IS_LONG) {
+               convert_to_long_ex(&zfetch_type);
+       }
+       iter->fetch_type = Z_LVAL_P(zfetch_type);
+       if (zfetch_type != prop) {
+               zval_ptr_dtor(&zfetch_type);
+       }
+       if (Z_REFCOUNT_P(prop)) {
+               zval_ptr_dtor(&prop);
+       } else {
+               zval_dtor(prop);
+               FREE_ZVAL(prop);
+       }
+
+       return (zend_object_iterator *) iter;
+}
+
+static void php_pqres_iterator_dtor(zend_object_iterator *i TSRMLS_DC)
+{
+       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
+
+       if (iter->current_val) {
+               zval_ptr_dtor(&iter->current_val);
+               iter->current_val = NULL;
+       }
+       zval_ptr_dtor((zval **) &iter->zi.data);
+       efree(iter);
+}
+
+static STATUS php_pqres_iterator_valid(zend_object_iterator *i TSRMLS_DC)
+{
+       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
+       php_pqres_object_t *obj = zend_object_store_get_object(iter->zi.data TSRMLS_CC);
+
+       switch (PQresultStatus(obj->intern->res)) {
+       case PGRES_TUPLES_OK:
+       case PGRES_SINGLE_TUPLE:
+               if (PQntuples(obj->intern->res) <= iter->index) {
+                       return FAILURE;
+               }
+               break;
+       default:
+               return FAILURE;
+       }
+
+       return SUCCESS;
+}
+
+static zval *php_pqres_row_to_zval(PGresult *res, unsigned row, php_pqres_fetch_t fetch_type, zval **data_ptr TSRMLS_DC)
+{
+       zval *data = NULL;
+       int c, cols;
+
+       if (data_ptr) {
+               data = *data_ptr;
+       }
+       if (!data) {
+               MAKE_STD_ZVAL(data);
+               if (PHP_PQRES_FETCH_OBJECT == fetch_type) {
+                       object_init(data);
+               } else {
+                       array_init(data);
+               }
+               if (data_ptr) {
+                       *data_ptr = data;
+               }
+       }
+
+       for (c = 0, cols = PQnfields(res); c < cols; ++c) {
+               if (PQgetisnull(res, row, c)) {
+                       switch (fetch_type) {
+                       case PHP_PQRES_FETCH_OBJECT:
+                               add_property_null(data, PQfname(res, c));
+                               break;
+
+                       case PHP_PQRES_FETCH_ASSOC:
+                               add_assoc_null(data, PQfname(res, c));
+                               break;
+
+                       case PHP_PQRES_FETCH_ARRAY:
+                               add_index_null(data, c);
+                               break;
+                       }
+               } else {
+                       char *val = PQgetvalue(res, row, c);
+                       int len = PQgetlength(res, row, c);
+
+                       switch (fetch_type) {
+                       case PHP_PQRES_FETCH_OBJECT:
+                               add_property_stringl(data, PQfname(res, c), val, len, 1);
+                               break;
+
+                       case PHP_PQRES_FETCH_ASSOC:
+                               add_assoc_stringl(data, PQfname(res, c), val, len, 1);
+                               break;
+
+                       case PHP_PQRES_FETCH_ARRAY:
+                               add_index_stringl(data, c, val, len ,1);
+                               break;
+                       }
+               }
+       }
+
+       return data;
+}
+
+static void php_pqres_iterator_current(zend_object_iterator *i, zval ***data_ptr TSRMLS_DC)
+{
+       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
+       php_pqres_object_t *obj = zend_object_store_get_object(iter->zi.data TSRMLS_CC);
+
+       if (iter->current_val) {
+               zval_ptr_dtor(&iter->current_val);
+       }
+       iter->current_val = php_pqres_row_to_zval(obj->intern->res, iter->index, iter->fetch_type, NULL TSRMLS_CC);
+       *data_ptr = &iter->current_val;
+}
+
+static int php_pqres_iterator_key(zend_object_iterator *i, char **key_str, uint *key_len, ulong *key_num TSRMLS_DC)
+{
+       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
+
+       *key_num = (ulong) iter->index;
+
+       return HASH_KEY_IS_LONG;
+}
+
+static void php_pqres_iterator_next(zend_object_iterator *i TSRMLS_DC)
+{
+       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
+
+       ++iter->index;
+}
+
+static void php_pqres_iterator_rewind(zend_object_iterator *i TSRMLS_DC)
+{
+       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
+
+       iter->index = 0;
+}
+
+static zend_object_iterator_funcs php_pqres_iterator_funcs = {
+       php_pqres_iterator_dtor,
+       /* check for end of iteration (FAILURE or SUCCESS if data is valid) */
+       php_pqres_iterator_valid,
+       /* fetch the item data for the current element */
+       php_pqres_iterator_current,
+       /* fetch the key for the current element (return HASH_KEY_IS_STRING or HASH_KEY_IS_LONG) (optional, may be NULL) */
+       php_pqres_iterator_key,
+       /* step forwards to next element */
+       php_pqres_iterator_next,
+       /* rewind to start of data (optional, may be NULL) */
+       php_pqres_iterator_rewind,
+       /* invalidate current value/key (optional, may be NULL) */
+       NULL
+};
+
+static int php_pqres_count_elements(zval *object, long *count TSRMLS_DC)
+{
+       php_pqres_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
+
+       if (!obj->intern) {
+               return FAILURE;
+       } else {
+               *count = (long) PQntuples(obj->intern->res);
+               return SUCCESS;
+       }
+}
+
+static STATUS php_pqres_success(PGresult *res TSRMLS_DC)
+{
+       zval *zexc;
+
+       switch (PQresultStatus(res)) {
+       case PGRES_BAD_RESPONSE:
+       case PGRES_NONFATAL_ERROR:
+       case PGRES_FATAL_ERROR:
+               zexc = throw_exce(EX_SQL TSRMLS_CC, "%s", PHP_PQresultErrorMessage(res));
+               zend_update_property_string(php_pqexc_domain_class_entry, zexc, ZEND_STRL("sqlstate"), PQresultErrorField(res, PG_DIAG_SQLSTATE) TSRMLS_CC);
+               return FAILURE;
+       default:
+               return SUCCESS;
+       }
+}
+
+/*
+static void php_pqconn_del_eventhandler(php_pqconn_object_t *obj, const char *type_str, size_t type_len, ulong id TSRMLS_DC)
+{
+       zval **evhs;
+
+       if (SUCCESS == zend_hash_find(&obj->intern->eventhandlers, type_str, type_len + 1, (void *) &evhs)) {
+               zend_hash_index_del(Z_ARRVAL_PP(evhs), id);
+       }
+}
+*/
+
+static ulong php_pqconn_add_eventhandler(php_pqconn_object_t *obj, const char *type_str, size_t type_len, zval *zevent TSRMLS_DC)
+{
+       zval **evhs;
+       ulong h;
+
+       if (SUCCESS == zend_hash_find(&obj->intern->eventhandlers, type_str, type_len + 1, (void *) &evhs)) {
+               Z_ADDREF_P(zevent);
+               h = zend_hash_next_free_element(Z_ARRVAL_PP(evhs));
+               add_next_index_zval(*evhs, zevent);
+       } else {
+               zval *evh;
+
+               MAKE_STD_ZVAL(evh);
+               array_init(evh);
+               Z_ADDREF_P(zevent);
+               h = zend_hash_next_free_element(Z_ARRVAL_P(evh));
+               add_next_index_zval(evh, zevent);
+               zend_hash_add(&obj->intern->eventhandlers, type_str, type_len + 1, (void *) &evh, sizeof(zval *), NULL);
+       }
+
+       return h;
+}
+
+static void php_pq_callback_dtor(php_pq_callback_t *cb) {
+       if (cb->fci.size > 0) {
+               zend_fcall_info_args_clear(&cb->fci, 1);
+               zval_ptr_dtor(&cb->fci.function_name);
+               if (cb->fci.object_ptr) {
+                       zval_ptr_dtor(&cb->fci.object_ptr);
+               }
+       }
+       cb->fci.size = 0;
+}
+
+static void php_pq_callback_addref(php_pq_callback_t *cb)
+{
+       Z_ADDREF_P(cb->fci.function_name);
+       if (cb->fci.object_ptr) {
+               Z_ADDREF_P(cb->fci.object_ptr);
+       }
+}
+
+static void php_pq_object_to_zval(void *o, zval **zv TSRMLS_DC)
+{
+       php_pq_object_t *obj = o;
+
+       if (!*zv) {
+               MAKE_STD_ZVAL(*zv);
+       }
+
+       zend_objects_store_add_ref_by_handle(obj->zv.handle TSRMLS_CC);
+
+       (*zv)->type = IS_OBJECT;
+       (*zv)->value.obj = obj->zv;
+}
+
+static void php_pq_object_to_zval_no_addref(void *o, zval **zv TSRMLS_DC)
+{
+       php_pq_object_t *obj = o;
+
+       if (!*zv) {
+               MAKE_STD_ZVAL(*zv);
+       }
+
+       /* no add ref */
+
+       (*zv)->type = IS_OBJECT;
+       (*zv)->value.obj = obj->zv;
+}
+
+static void php_pq_object_addref(void *o TSRMLS_DC)
+{
+       php_pq_object_t *obj = o;
+       zend_objects_store_add_ref_by_handle(obj->zv.handle TSRMLS_CC);
+}
+
+static void php_pq_object_delref(void *o TSRMLS_DC)
+{
+       php_pq_object_t *obj = o;
+       zend_objects_store_del_ref_by_handle_ex(obj->zv.handle, obj->zv.handlers TSRMLS_CC);
+}
+
+static void php_pqconn_object_free(void *o TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE conn(#%d) %p\n", obj->zv.handle, obj);
+#endif
+       if (obj->intern) {
+               php_resource_factory_handle_dtor(&obj->intern->factory, obj->intern->conn TSRMLS_CC);
+               php_resource_factory_dtor(&obj->intern->factory);
+               php_pq_callback_dtor(&obj->intern->onevent);
+               zend_hash_destroy(&obj->intern->listeners);
+               zend_hash_destroy(&obj->intern->eventhandlers);
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static void php_pqtypes_object_free(void *o TSRMLS_DC)
+{
+       php_pqtypes_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE types(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
+#endif
+       if (obj->intern) {
+               zend_hash_destroy(&obj->intern->types);
+               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static void php_pqres_object_free(void *o TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE res(#%d) %p\n", obj->zv.handle, obj);
+#endif
+       if (obj->intern) {
+               if (obj->intern->res) {
+                       PQresultSetInstanceData(obj->intern->res, php_pqconn_event, NULL);
+                       PQclear(obj->intern->res);
+                       obj->intern->res = NULL;
+               }
+
+               if (obj->intern->iter) {
+                       php_pqres_iterator_dtor((zend_object_iterator *) obj->intern->iter TSRMLS_CC);
+                       obj->intern->iter = NULL;
+               }
+
+               zend_hash_destroy(&obj->intern->bound);
+
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static void php_pqstm_object_free(void *o TSRMLS_DC)
+{
+       php_pqstm_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE stm(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
+#endif
+       if (obj->intern) {
+               char *quoted_name = PQescapeIdentifier(obj->intern->conn->intern->conn, obj->intern->name, strlen(obj->intern->name));
+
+               php_pq_callback_dtor(&obj->intern->conn->intern->onevent);
+
+               if (quoted_name) {
+                       PGresult *res;
+                       smart_str cmd = {0};
+
+                       smart_str_appends(&cmd, "DEALLOCATE ");
+                       smart_str_appends(&cmd, quoted_name);
+                       smart_str_0(&cmd);
+                       PQfreemem(quoted_name);
+
+                       if ((res = PQexec(obj->intern->conn->intern->conn, cmd.c))) {
+                               PHP_PQclear(res);
+                       }
+                       smart_str_free(&cmd);
+               }
+
+               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
+               efree(obj->intern->name);
+               zend_hash_destroy(&obj->intern->bound);
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static void php_pqtxn_object_free(void *o TSRMLS_DC)
+{
+       php_pqtxn_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE txn(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
+#endif
+       if (obj->intern) {
+               if (obj->intern->open) {
+                       PGresult *res = PQexec(obj->intern->conn->intern->conn, "ROLLBACK");
+
+                       if (res) {
+                               PHP_PQclear(res);
+                       }
+               }
+               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static void php_pqcancel_object_free(void *o TSRMLS_DC)
+{
+       php_pqcancel_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE cancel(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
+#endif
+       if (obj->intern) {
+               PQfreeCancel(obj->intern->cancel);
+               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static void php_pqevent_object_free(void *o TSRMLS_DC)
+{
+       php_pqevent_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE event(#%d) %p\n", obj->zv.handle, obj);
+#endif
+       if (obj->intern) {
+               php_pq_callback_dtor(&obj->intern->cb);
+               efree(obj->intern->type);
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static void php_pqlob_object_free(void *o TSRMLS_DC)
+{
+       php_pqlob_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE lob(#%d) %p (txn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->txn->zv.handle, obj->intern->txn);
+#endif
+       if (obj->intern) {
+               if (obj->intern->lofd) {
+                       lo_close(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd);
+               }
+               php_pq_object_delref(obj->intern->txn TSRMLS_CC);
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static void php_pqcopy_object_free(void *o TSRMLS_DC)
+{
+       php_pqcopy_object_t *obj = o;
+#if DBG_GC
+       fprintf(stderr, "FREE copy(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
+#endif
+       if (obj->intern) {
+               efree(obj->intern->expression);
+               efree(obj->intern->options);
+               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
+               efree(obj->intern);
+               obj->intern = NULL;
+       }
+       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+       efree(obj);
+}
+
+static zend_object_value php_pqconn_create_object_ex(zend_class_entry *ce, php_pqconn_t *intern, php_pqconn_object_t **ptr TSRMLS_DC)
+{
+       php_pqconn_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqconn_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqconn_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqconn_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqtypes_create_object_ex(zend_class_entry *ce, php_pqtypes_t *intern, php_pqtypes_object_t **ptr TSRMLS_DC)
+{
+       php_pqtypes_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqtypes_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqtypes_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqtypes_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqres_create_object_ex(zend_class_entry *ce, php_pqres_t *intern, php_pqres_object_t **ptr TSRMLS_DC)
+{
+       php_pqres_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqres_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqres_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqres_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqstm_create_object_ex(zend_class_entry *ce, php_pqstm_t *intern, php_pqstm_object_t **ptr TSRMLS_DC)
+{
+       php_pqstm_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqstm_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqstm_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqstm_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqtxn_create_object_ex(zend_class_entry *ce, php_pqtxn_t *intern, php_pqtxn_object_t **ptr TSRMLS_DC)
+{
+       php_pqtxn_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqtxn_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqtxn_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqtxn_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqcancel_create_object_ex(zend_class_entry *ce, php_pqcancel_t *intern, php_pqcancel_object_t **ptr TSRMLS_DC)
+{
+       php_pqcancel_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqcancel_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqcancel_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqcancel_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqevent_create_object_ex(zend_class_entry *ce, php_pqevent_t *intern, php_pqevent_object_t **ptr TSRMLS_DC)
+{
+       php_pqevent_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqevent_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqevent_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqevent_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqlob_create_object_ex(zend_class_entry *ce, php_pqlob_t *intern, php_pqlob_object_t **ptr TSRMLS_DC)
+{
+       php_pqlob_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqlob_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqlob_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqlob_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqcopy_create_object_ex(zend_class_entry *ce, php_pqcopy_t *intern, php_pqcopy_object_t **ptr TSRMLS_DC)
+{
+       php_pqcopy_object_t *o;
+
+       o = ecalloc(1, sizeof(*o));
+       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
+       object_properties_init((zend_object *) o, ce);
+       o->prophandler = &php_pqcopy_object_prophandlers;
+
+       if (ptr) {
+               *ptr = o;
+       }
+
+       if (intern) {
+               o->intern = intern;
+       }
+
+       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqcopy_object_free, NULL TSRMLS_CC);
+       o->zv.handlers = &php_pqcopy_object_handlers;
+
+       return o->zv;
+}
+
+static zend_object_value php_pqconn_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqconn_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static zend_object_value php_pqtypes_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqtypes_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static zend_object_value php_pqres_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqres_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static zend_object_value php_pqstm_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqstm_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static zend_object_value php_pqtxn_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqtxn_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static zend_object_value php_pqcancel_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqcancel_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static zend_object_value php_pqevent_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqevent_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static zend_object_value php_pqlob_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqlob_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static zend_object_value php_pqcopy_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+       return php_pqcopy_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static int apply_pi_to_ht(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
+{
+       zend_property_info *pi = p;
+       HashTable *ht = va_arg(argv, HashTable *);
+       zval *object = va_arg(argv, zval *);
+       php_pq_object_t *obj = va_arg(argv, php_pq_object_t *);
+       int addref = va_arg(argv, int);
+       zval *property = zend_read_property(obj->zo.ce, object, pi->name, pi->name_length, 0 TSRMLS_CC);
+
+       if (addref) {
+               Z_ADDREF_P(property);
+       }
+       zend_hash_add(ht, pi->name, pi->name_length + 1, (void *) &property, sizeof(zval *), NULL);
+
+       return ZEND_HASH_APPLY_KEEP;
+}
+
+static HashTable *php_pq_object_debug_info(zval *object, int *temp TSRMLS_DC)
+{
+       HashTable *ht;
+       php_pq_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
+
+       *temp = 1;
+       ALLOC_HASHTABLE(ht);
+       ZEND_INIT_SYMTABLE(ht);
+
+       zend_hash_apply_with_arguments(&obj->zo.ce->properties_info TSRMLS_CC, apply_pi_to_ht, 4, ht, object, obj, 1);
+
+       return ht;
+}
+
+static void php_pqconn_object_read_status(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+
+       RETVAL_LONG(PQstatus(obj->intern->conn));
+}
+
+static void php_pqconn_object_read_transaction_status(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+
+       RETVAL_LONG(PQtransactionStatus(obj->intern->conn));
+}
+
+static void php_pqconn_object_read_error_message(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+       char *error = PHP_PQerrorMessage(obj->intern->conn);
+
+       if (error) {
+               RETVAL_STRING(error, 1);
+       } else {
+               RETVAL_NULL();
+       }
+}
+
+static int apply_notify_listener(void *p, void *arg TSRMLS_DC)
+{
+       php_pq_callback_t *listener = p;
+       PGnotify *nfy = arg;
+       zval *zpid, *zchannel, *zmessage;
+
+       MAKE_STD_ZVAL(zpid);
+       ZVAL_LONG(zpid, nfy->be_pid);
+       MAKE_STD_ZVAL(zchannel);
+       ZVAL_STRING(zchannel, nfy->relname, 1);
+       MAKE_STD_ZVAL(zmessage);
+       ZVAL_STRING(zmessage, nfy->extra, 1);
+
+       zend_fcall_info_argn(&listener->fci TSRMLS_CC, 3, &zchannel, &zmessage, &zpid);
+       zend_fcall_info_call(&listener->fci, &listener->fcc, NULL, NULL TSRMLS_CC);
+
+       zval_ptr_dtor(&zchannel);
+       zval_ptr_dtor(&zmessage);
+       zval_ptr_dtor(&zpid);
+
+       return ZEND_HASH_APPLY_KEEP;
+}
+
+static int apply_notify_listeners(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
+{
+       HashTable *listeners = p;
+       PGnotify *nfy = va_arg(argv, PGnotify *);
+
+       if (0 == fnmatch(key->arKey, nfy->relname, 0)) {
+               zend_hash_apply_with_argument(listeners, apply_notify_listener, nfy TSRMLS_CC);
+       }
+
+       return ZEND_HASH_APPLY_KEEP;
+}
+
+static void php_pqconn_notify_listeners(php_pqconn_object_t *obj TSRMLS_DC)
+{
+       PGnotify *nfy;
+
+       while ((nfy = PQnotifies(obj->intern->conn))) {
+               zend_hash_apply_with_arguments(&obj->intern->listeners TSRMLS_CC, apply_notify_listeners, 1, nfy);
+               PQfreemem(nfy);
+       }
+}
+
+static void php_pqconn_object_read_busy(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+
+       RETVAL_BOOL(PQisBusy(obj->intern->conn));
+}
+
+static void php_pqconn_object_read_encoding(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+
+       RETVAL_STRING(pg_encoding_to_char(PQclientEncoding(obj->intern->conn)), 1);
+}
+
+static void php_pqconn_object_write_encoding(zval *object, void *o, zval *value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+       zval *zenc = value;
+
+       if (Z_TYPE_P(value) != IS_STRING) {
+               if (Z_REFCOUNT_P(value) > 1) {
+                       zval *tmp;
+                       MAKE_STD_ZVAL(tmp);
+                       ZVAL_ZVAL(tmp, zenc, 1, 0);
+                       convert_to_string(tmp);
+                       zenc = tmp;
+               } else {
+                       convert_to_string_ex(&zenc);
+               }
+       }
+
+       if (0 > PQsetClientEncoding(obj->intern->conn, Z_STRVAL_P(zenc))) {
+               zend_error(E_NOTICE, "Unrecognized encoding '%s'", Z_STRVAL_P(zenc));
+       }
+
+       if (zenc != value) {
+               zval_ptr_dtor(&zenc);
+       }
+}
+
+static void php_pqconn_object_read_unbuffered(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+
+       RETVAL_BOOL(obj->intern->unbuffered);
+}
+
+static void php_pqconn_object_write_unbuffered(zval *object, void *o, zval *value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+
+       obj->intern->unbuffered = zend_is_true(value);
+}
+
+static void php_pqconn_object_read_db(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+       char *db = PQdb(obj->intern->conn);
+
+       if (db) {
+               RETVAL_STRING(db, 1);
+       } else {
+               RETVAL_EMPTY_STRING();
+       }
+}
+
+static void php_pqconn_object_read_user(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+       char *user = PQuser(obj->intern->conn);
+
+       if (user) {
+               RETVAL_STRING(user, 1);
+       } else {
+               RETVAL_EMPTY_STRING();
+       }
+}
+
+static void php_pqconn_object_read_pass(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+       char *pass = PQpass(obj->intern->conn);
+
+       if (pass) {
+               RETVAL_STRING(pass, 1);
+       } else {
+               RETVAL_EMPTY_STRING();
+       }
+}
+
+static void php_pqconn_object_read_host(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+       char *host = PQhost(obj->intern->conn);
+
+       if (host) {
+               RETVAL_STRING(host, 1);
+       } else {
+               RETVAL_EMPTY_STRING();
+       }
+}
+
+static void php_pqconn_object_read_port(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+       char *port = PQport(obj->intern->conn);
+
+       if (port) {
+               RETVAL_STRING(port, 1);
+       } else {
+               RETVAL_EMPTY_STRING();
+       }
+}
+
+static void php_pqconn_object_read_options(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+       char *options = PQoptions(obj->intern->conn);
+
+       if (options) {
+               RETVAL_STRING(options, 1);
+       } else {
+               RETVAL_EMPTY_STRING();
+       }
+}
+
+static void php_pqconn_object_read_event_handlers(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqconn_object_t *obj = o;
+
+       array_init(return_value);
+       zend_hash_copy(Z_ARRVAL_P(return_value), &obj->intern->eventhandlers, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
+}
+
+static void php_pqtypes_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqtypes_object_t *obj = o;
+
+       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
+}
+
+static int has_dimension(HashTable *ht, zval *member, char **key_str, int *key_len, ulong *index TSRMLS_DC)
+{
+       long lval = 0;
+       zval *tmp = member;
+
+       switch (Z_TYPE_P(member)) {
+       default:
+               convert_to_string_ex(&tmp);
+               /* no break */
+       case IS_STRING:
+               if (!is_numeric_string(Z_STRVAL_P(tmp), Z_STRLEN_P(tmp), &lval, NULL, 0)) {
+                       int exists = zend_hash_exists(ht, Z_STRVAL_P(tmp), Z_STRLEN_P(tmp) + 1);
+
+                       if (key_str) {
+                               *key_str = estrndup(Z_STRVAL_P(tmp), Z_STRLEN_P(tmp));
+                               if (key_len) {
+                                       *key_len = Z_STRLEN_P(tmp) + 1;
+                               }
+                       }
+                       if (member != tmp) {
+                               zval_ptr_dtor(&tmp);
+                       }
+
+                       return exists;
+               }
+               break;
+       case IS_LONG:
+               lval = Z_LVAL_P(member);
+               break;
+       }
+
+       if (member != tmp) {
+               zval_ptr_dtor(&tmp);
+       }
+       if (index) {
+               *index = lval;
+       }
+       return zend_hash_index_exists(ht, lval);
+}
+
+static int php_pqtypes_object_has_dimension(zval *object, zval *member, int check_empty TSRMLS_DC)
+{
+       php_pqtypes_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
+       char *key_str = NULL;
+       int key_len = 0;
+       ulong index = 0;
+
+       if (check_empty) {
+               if (has_dimension(&obj->intern->types, member, &key_str, &key_len, &index TSRMLS_CC)) {
+                       zval **data;
+
+                       if (key_str && key_len) {
+                               if (SUCCESS == zend_hash_find(&obj->intern->types, key_str, key_len, (void *) &data)) {
+                                       efree(key_str);
+                                       return Z_TYPE_PP(data) != IS_NULL;
+                               }
+                               efree(key_str);
+                       } else {
+                               if (SUCCESS == zend_hash_index_find(&obj->intern->types, index, (void *) &data)) {
+                                       return Z_TYPE_PP(data) != IS_NULL;
+                               }
+                       }
+               }
+               if (key_str) {
+                       efree(key_str);
+               }
+       } else {
+               return has_dimension(&obj->intern->types, member, NULL, NULL, NULL TSRMLS_CC);
+       }
+
+       return 0;
+}
+
+static zval *php_pqtypes_object_read_dimension(zval *object, zval *member, int type TSRMLS_DC)
+{
+       ulong index = 0;
+       char *key_str = NULL;
+       int key_len = 0;
+       php_pqtypes_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
+
+       if (has_dimension(&obj->intern->types, member, &key_str, &key_len, &index TSRMLS_CC)) {
+               zval **data;
+
+               if (key_str && key_len) {
+                       if (SUCCESS == zend_hash_find(&obj->intern->types, key_str, key_len, (void *) &data)) {
+                               efree(key_str);
+                               return *data;
+                       }
+               } else {
+                       if (SUCCESS == zend_hash_index_find(&obj->intern->types, index, (void *) &data)) {
+                               return *data;
+                       }
+               }
+               if (key_str) {
+                       efree(key_str);
+               }
+       }
+
+       return NULL;
+}
+
+static void php_pqres_object_read_status(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+
+       RETVAL_LONG(PQresultStatus(obj->intern->res));
+}
+
+static void php_pqres_object_read_status_message(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+
+       RETVAL_STRING(PQresStatus(PQresultStatus(obj->intern->res))+sizeof("PGRES"), 1);
+}
+
+static void php_pqres_object_read_error_message(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+       char *error = PHP_PQresultErrorMessage(obj->intern->res);
+
+       if (error) {
+               RETVAL_STRING(error, 1);
+       } else {
+               RETVAL_NULL();
+       }
+}
+
+static void php_pqres_object_read_num_rows(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+
+       RETVAL_LONG(PQntuples(obj->intern->res));
+}
+
+static void php_pqres_object_read_num_cols(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+
+       RETVAL_LONG(PQnfields(obj->intern->res));
+}
+
+static void php_pqres_object_read_affected_rows(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+
+       RETVAL_LONG(atoi(PQcmdTuples(obj->intern->res)));
+}
+
+static void php_pqres_object_read_fetch_type(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+
+       if (obj->intern->iter) {
+               RETVAL_LONG(obj->intern->iter->fetch_type);
+       } else {
+               RETVAL_LONG(PHP_PQRES_FETCH_ARRAY);
+       }
+}
+
+static void php_pqres_object_write_fetch_type(zval *object, void *o, zval *value TSRMLS_DC)
+{
+       php_pqres_object_t *obj = o;
+       zval *zfetch_type = value;
+
+       if (Z_TYPE_P(value) != IS_LONG) {
+               if (Z_REFCOUNT_P(value) > 1) {
+                       zval *tmp;
+                       MAKE_STD_ZVAL(tmp);
+                       ZVAL_ZVAL(tmp, zfetch_type, 1, 0);
+                       convert_to_long(tmp);
+                       zfetch_type = tmp;
+               } else {
+                       convert_to_long_ex(&zfetch_type);
+               }
+       }
+
+       if (!obj->intern->iter) {
+               obj->intern->iter = (php_pqres_iterator_t *) php_pqres_iterator_init(Z_OBJCE_P(object), object, 0 TSRMLS_CC);
+               obj->intern->iter->zi.funcs->rewind((zend_object_iterator *) obj->intern->iter TSRMLS_CC);
+       }
+       obj->intern->iter->fetch_type = Z_LVAL_P(zfetch_type);
+
+       if (zfetch_type != value) {
+               zval_ptr_dtor(&zfetch_type);
+       }
+}
+
+static void php_pqstm_object_read_name(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqstm_object_t *obj = o;
+
+       RETVAL_STRING(obj->intern->name, 1);
+}
+
+static void php_pqstm_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqstm_object_t *obj = o;
+
+       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
+}
+
+static void php_pqtxn_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqtxn_object_t *obj = o;
+
+       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
+}
+
+static void php_pqtxn_object_read_isolation(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqtxn_object_t *obj = o;
+
+       RETVAL_LONG(obj->intern->isolation);
+}
+
+static void php_pqtxn_object_read_readonly(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqtxn_object_t *obj = o;
+
+       RETVAL_BOOL(obj->intern->readonly);
+}
+
+static void php_pqtxn_object_read_deferrable(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqtxn_object_t *obj = o;
+
+       RETVAL_BOOL(obj->intern->deferrable);
+}
+
+static void php_pqtxn_object_write_isolation(zval *object, void *o, zval *value TSRMLS_DC)
+{
+       php_pqtxn_object_t *obj = o;
+       php_pqtxn_isolation_t orig = obj->intern->isolation;
+       zval *zisolation = value;
+       PGresult *res;
+
+       if (Z_TYPE_P(zisolation) != IS_LONG) {
+               if (Z_REFCOUNT_P(value) > 1) {
+                       zval *tmp;
+                       MAKE_STD_ZVAL(tmp);
+                       ZVAL_ZVAL(tmp, zisolation, 1, 0);
+                       convert_to_long(tmp);
+                       zisolation = tmp;
+               } else {
+                       convert_to_long_ex(&zisolation);
+               }
+       }
+
+       switch ((obj->intern->isolation = Z_LVAL_P(zisolation))) {
+       case PHP_PQTXN_READ_COMMITTED:
+               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION ISOLATION LEVEL READ COMMITED");
+               break;
+       case PHP_PQTXN_REPEATABLE_READ:
+               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION ISOLATION LEVEL REPEATABLE READ");
+               break;
+       case PHP_PQTXN_SERIALIZABLE:
+               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE");
+               break;
+       default:
+               obj->intern->isolation = orig;
+               res = NULL;
+               break;
+       }
+
+       if (zisolation != value) {
+               zval_ptr_dtor(&zisolation);
+       }
+
+       if (res) {
+               php_pqres_success(res TSRMLS_CC);
+               PHP_PQclear(res);
+       }
+}
+
+static void php_pqtxn_object_write_readonly(zval *object, void *o, zval *value TSRMLS_DC)
+{
+       php_pqtxn_object_t *obj = o;
+       PGresult *res;
+
+       if ((obj->intern->readonly = zend_is_true(value))) {
+               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION READ ONLY");
+       } else {
+               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION READ WRITE");
+       }
+
+       if (res) {
+               php_pqres_success(res TSRMLS_CC);
+               PHP_PQclear(res);
+       }
+}
+
+static void php_pqtxn_object_write_deferrable(zval *object, void *o, zval *value TSRMLS_DC)
+{
+       php_pqtxn_object_t *obj = o;
+       PGresult *res;
+
+       if ((obj->intern->deferrable = zend_is_true(value))) {
+               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION DEFERRABLE");
+       } else {
+               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION NOT DEFERRABLE");
+       }
+
+       if (res) {
+               php_pqres_success(res TSRMLS_CC);
+               PHP_PQclear(res);
+       }
+}
+
+static void php_pqcancel_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqcancel_object_t *obj = o;
+
+       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
+}
+
+static void php_pqevent_object_read_type(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqevent_object_t *obj = o;
+
+       RETVAL_STRING(obj->intern->type, 1);
+}
+
+static void php_pqlob_object_read_transaction(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqlob_object_t *obj = o;
+
+       php_pq_object_to_zval(obj->intern->txn, &return_value TSRMLS_CC);
+}
+
+static void php_pqlob_object_read_oid(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqlob_object_t *obj = o;
+
+       RETVAL_LONG(obj->intern->loid);
+}
+
+static void php_pqcopy_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqcopy_object_t *obj = o;
+
+       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
+}
+
+static void php_pqcopy_object_read_direction(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqcopy_object_t *obj = o;
+
+       RETVAL_LONG(obj->intern->direction);
+}
+
+static void php_pqcopy_object_read_expression(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqcopy_object_t *obj = o;
+
+       RETURN_STRING(obj->intern->expression, 1);
+}
+
+static void php_pqcopy_object_read_options(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+       php_pqcopy_object_t *obj = o;
+
+       RETURN_STRING(obj->intern->options, 1);
+}
+
+static zend_class_entry *ancestor(zend_class_entry *ce) {
+       while (ce->parent) {
+               ce = ce->parent;
+       }
+       return ce;
+}
+
+static zval *php_pq_object_read_prop(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC)
+{
+       php_pq_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
+       php_pq_object_prophandler_t *handler;
+       zval *return_value;
+
+       if (!obj->intern) {
+               zend_error(E_WARNING, "%s not initialized", ancestor(obj->zo.ce)->name);
+       } else if ((SUCCESS == zend_hash_find(obj->prophandler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void *) &handler)) && handler->read) {
+               if (type == BP_VAR_R) {
+                       ALLOC_ZVAL(return_value);
+                       Z_SET_REFCOUNT_P(return_value, 0);
+                       Z_UNSET_ISREF_P(return_value);
+
+                       handler->read(object, obj, return_value TSRMLS_CC);
+               } else {
+                       zend_error(E_ERROR, "Cannot access %s properties by reference or array key/index", ancestor(obj->zo.ce)->name);
+                       return_value = NULL;
+               }
+       } else {
+               return_value = zend_get_std_object_handlers()->read_property(object, member, type, key TSRMLS_CC);
+       }
+
+       return return_value;
+}
+
+static void php_pq_object_write_prop(zval *object, zval *member, zval *value, const zend_literal *key TSRMLS_DC)
+{
+       php_pq_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
+       php_pq_object_prophandler_t *handler;
+
+       if (SUCCESS == zend_hash_find(obj->prophandler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void *) &handler)) {
+               if (handler->write) {
+                       handler->write(object, obj, value TSRMLS_CC);
+               }
+       } else {
+               zend_get_std_object_handlers()->write_property(object, member, value, key TSRMLS_CC);
+       }
+}
+
+static STATUS php_pqconn_update_socket(zval *this_ptr, php_pqconn_object_t *obj TSRMLS_DC)
+{
+       zval *zsocket, zmember;
+       php_stream *stream;
+       STATUS retval;
+       int socket;
+       
+       if (!obj) {
+               obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+       }
+       
+       INIT_PZVAL(&zmember);
+       ZVAL_STRINGL(&zmember, "socket", sizeof("socket")-1, 0);
+       MAKE_STD_ZVAL(zsocket);
+       
+       if ((CONNECTION_BAD != PQstatus(obj->intern->conn))
+       &&      (-1 < (socket = PQsocket(obj->intern->conn)))
+       &&      (stream = php_stream_fopen_from_fd(socket, "r+b", NULL))) {
+               stream->flags |= PHP_STREAM_FLAG_NO_CLOSE;
+               php_stream_to_zval(stream, zsocket);
+               retval = SUCCESS;
+       } else {
+               ZVAL_NULL(zsocket);
+               retval = FAILURE;
+       }
+       zend_get_std_object_handlers()->write_property(getThis(), &zmember, zsocket, NULL TSRMLS_CC);
+       zval_ptr_dtor(&zsocket);
+       
+       return retval;
+}
+
+#ifdef ZTS
+#      define TSRMLS_DF(d) TSRMLS_D = (d)->ts
+#      define TSRMLS_CF(d) (d)->ts = TSRMLS_C
+#else
+#      define TSRMLS_DF(d)
+#      define TSRMLS_CF(d)
+#endif
+
+static int apply_event(void *p, void *a TSRMLS_DC)
+{
+       zval **evh = p;
+       zval *args = a;
+       zval *retval = NULL;
+
+       zend_call_method_with_1_params(evh, Z_OBJCE_PP(evh), NULL, "trigger", &retval, args);
+       if (retval) {
+               zval_ptr_dtor(&retval);
+       }
+
+       return ZEND_HASH_APPLY_KEEP;
+}
+
+static void php_pqconn_event_connreset(PGEventConnReset *event)
+{
+       php_pqconn_event_data_t *data = PQinstanceData(event->conn, php_pqconn_event);
+
+       if (data) {
+               zval **evhs;
+               TSRMLS_DF(data);
+
+               if (SUCCESS == zend_hash_find(&data->obj->intern->eventhandlers, ZEND_STRS("reset"), (void *) &evhs)) {
+                       zval *args, *connection = NULL;
+
+                       MAKE_STD_ZVAL(args);
+                       array_init(args);
+                       php_pq_object_to_zval(data->obj, &connection TSRMLS_CC);
+                       add_next_index_zval(args, connection);
+                       zend_hash_apply_with_argument(Z_ARRVAL_PP(evhs), apply_event, args TSRMLS_CC);
+                       zval_ptr_dtor(&args);
+               }
+       }
+}
+
+static void php_pqres_init_instance_data(PGresult *res, php_pqres_object_t **ptr TSRMLS_DC)
+{
+       php_pqres_object_t *obj;
+       php_pqres_t *r = ecalloc(1, sizeof(*r));
+
+       r->res = res;
+       ZEND_INIT_SYMTABLE(&r->bound);
+       php_pqres_create_object_ex(php_pqres_class_entry, r, &obj TSRMLS_CC);
+
+       PQresultSetInstanceData(res, php_pqconn_event, obj);
+
+       if (ptr) {
+               *ptr = obj;
+       }
+}
+
+static void php_pqconn_event_resultcreate(PGEventResultCreate *event)
+{
+       php_pqconn_event_data_t *data = PQinstanceData(event->conn, php_pqconn_event);
+
+       if (data) {
+               php_pqres_object_t *obj;
+               zval **evhs;
+               TSRMLS_DF(data);
+
+               php_pqres_init_instance_data(event->result, &obj TSRMLS_CC);
+
+               /* event listener */
+               if (SUCCESS == zend_hash_find(&data->obj->intern->eventhandlers, ZEND_STRS("result"), (void *) &evhs)) {
+                       zval *args, *connection = NULL, *res = NULL;
+
+                       MAKE_STD_ZVAL(args);
+                       array_init(args);
+                       php_pq_object_to_zval(data->obj, &connection TSRMLS_CC);
+                       add_next_index_zval(args, connection);
+                       php_pq_object_to_zval(obj, &res TSRMLS_CC);
+                       add_next_index_zval(args, res);
+                       zend_hash_apply_with_argument(Z_ARRVAL_PP(evhs), apply_event, args TSRMLS_CC);
+                       zval_ptr_dtor(&args);
+               }
+
+               /* async callback */
+               if (data->obj->intern->onevent.fci.size > 0) {
+                       zval *res = NULL;
+
+                       php_pq_object_to_zval(obj, &res TSRMLS_CC);
+                       zend_fcall_info_argn(&data->obj->intern->onevent.fci TSRMLS_CC, 1, &res);
+                       zend_fcall_info_call(&data->obj->intern->onevent.fci, &data->obj->intern->onevent.fcc, NULL, NULL TSRMLS_CC);
+                       zval_ptr_dtor(&res);
+               }
+
+       }
+}
+
+static void php_pqconn_event_resultdestroy(PGEventResultDestroy *event)
+{
+       php_pqres_object_t *obj = PQresultInstanceData(event->result, php_pqconn_event);
+
+       if (obj) {
+               obj->intern->res = NULL;
+       }
+}
+
+static int php_pqconn_event(PGEventId id, void *e, void *data)
+{
+       switch (id) {
+       case PGEVT_CONNRESET:
+               php_pqconn_event_connreset(e);
+               break;
+       case PGEVT_RESULTCREATE:
+               php_pqconn_event_resultcreate(e);
+               break;
+       case PGEVT_RESULTDESTROY:
+               php_pqconn_event_resultdestroy(e);
+               break;
+       default:
+               break;
+       }
+
+       return 1;
+}
+
+static php_pqconn_event_data_t *php_pqconn_event_data_init(php_pqconn_object_t *obj TSRMLS_DC)
+{
+       php_pqconn_event_data_t *data = emalloc(sizeof(*data));
+
+       data->obj = obj;
+       TSRMLS_CF(data);
+
+       return data;
+}
+
+static void php_pqconn_notice_recv(void *p, const PGresult *res)
+{
+       php_pqconn_event_data_t *data = p;
+
+       if (data) {
+               zval **evhs;
+               TSRMLS_DF(data);
+
+               if (SUCCESS == zend_hash_find(&data->obj->intern->eventhandlers, ZEND_STRS("notice"), (void *) &evhs)) {
+                       zval *args, *connection = NULL;
+
+                       MAKE_STD_ZVAL(args);
+                       array_init(args);
+                       php_pq_object_to_zval(data->obj, &connection TSRMLS_CC);
+                       add_next_index_zval(args, connection);
+                       add_next_index_string(args, PHP_PQresultErrorMessage(res), 1);
+                       zend_hash_apply_with_argument(Z_ARRVAL_PP(evhs), apply_event, args TSRMLS_CC);
+                       zval_ptr_dtor(&args);
+       }
+       }
+}
+
+typedef struct php_pqconn_resource_factory_data {
+       char *dsn;
+       long flags;
+} php_pqconn_resource_factory_data_t;
+
+static void *php_pqconn_resource_factory_ctor(void *data, void *init_arg TSRMLS_DC)
+{
+       php_pqconn_resource_factory_data_t *o = init_arg;
+       PGconn *conn = NULL;;
+
+       if (o->flags & PHP_PQCONN_ASYNC) {
+               conn = PQconnectStart(o->dsn);
+       } else {
+               conn = PQconnectdb(o->dsn);
+       }
+
+       if (conn) {
+               PQregisterEventProc(conn, php_pqconn_event, "ext-pq", NULL);
+       }
+
+       return conn;
+}
+
+static void php_pqconn_resource_factory_dtor(void *opaque, void *handle TSRMLS_DC)
+{
+       php_pqconn_event_data_t *evdata = PQinstanceData(handle, php_pqconn_event);
+
+       /* we don't care for anything, except free'ing evdata */
+       if (evdata) {
+               PQsetInstanceData(handle, php_pqconn_event, NULL);
+               memset(evdata, 0, sizeof(*evdata));
+               efree(evdata);
+       }
+
+       PQfinish(handle);
+}
+
+static php_resource_factory_ops_t php_pqconn_resource_factory_ops = {
+       php_pqconn_resource_factory_ctor,
+       NULL,
+       php_pqconn_resource_factory_dtor
+};
+
+static void php_pqconn_wakeup(php_persistent_handle_factory_t *f, void **handle TSRMLS_DC)
+{
+       // FIXME: ping server
+}
+
+static int apply_unlisten(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
+{
+       php_pqconn_object_t *obj = va_arg(argv, php_pqconn_object_t *);
+       char *quoted_channel = PQescapeIdentifier(obj->intern->conn, key->arKey, key->nKeyLength - 1);
+
+       if (quoted_channel) {
+               PGresult *res;
+               char *cmd;
+
+               spprintf(&cmd, 0, "UNLISTEN %s", quoted_channel);
+               if ((res = PQexec(obj->intern->conn, cmd))) {
+                       PHP_PQclear(res);
+               }
+
+               efree(cmd);
+               PQfreemem(quoted_channel);
+       }
+
+       return ZEND_HASH_APPLY_REMOVE;
+}
+
+static void php_pqconn_notice_ignore(void *p, const PGresult *res)
+{
+}
+
+static void php_pqconn_retire(php_persistent_handle_factory_t *f, void **handle TSRMLS_DC)
+{
+       php_pqconn_event_data_t *evdata = PQinstanceData(*handle, php_pqconn_event);
+       PGcancel *cancel;
+       PGresult *res;
+
+       /* go away */
+       PQsetInstanceData(*handle, php_pqconn_event, NULL);
+
+       /* ignore notices */
+       PQsetNoticeReceiver(*handle, php_pqconn_notice_ignore, NULL);
+
+       /* cancel async queries */
+       if (PQisBusy(*handle) && (cancel = PQgetCancel(*handle))) {
+               char err[256] = {0};
+
+               PQcancel(cancel, err, sizeof(err));
+               PQfreeCancel(cancel);
+       }
+       /* clean up async results */
+       while ((res = PQgetResult(*handle))) {
+               PHP_PQclear(res);
+       }
+
+       /* clean up transaction & session */
+       switch (PQtransactionStatus(*handle)) {
+       case PQTRANS_IDLE:
+               res = PQexec(*handle, "RESET ALL");
+               break;
+       default:
+               res = PQexec(*handle, "ROLLBACK; RESET ALL");
+               break;
+       }
+
+       if (res) {
+               PHP_PQclear(res);
+       }
+
+       if (evdata) {
+               /* clean up notify listeners */
+               zend_hash_apply_with_arguments(&evdata->obj->intern->listeners TSRMLS_CC, apply_unlisten, 1, evdata->obj);
+
+               /* release instance data */
+               memset(evdata, 0, sizeof(*evdata));
+               efree(evdata);
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_construct, 0, 0, 1)
+       ZEND_ARG_INFO(0, dsn)
+       ZEND_ARG_INFO(0, async)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, __construct) {
+       zend_error_handling zeh;
+       char *dsn_str = "";
+       int dsn_len = 0;
+       long flags = 0;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sl", &dsn_str, &dsn_len, &flags);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (obj->intern) {
+                       throw_exce(EX_BAD_METHODCALL TSRMLS_CC, "pq\\Connection already initialized");
+               } else {
+                       php_pqconn_event_data_t *evdata =  php_pqconn_event_data_init(obj TSRMLS_CC);
+                       php_pqconn_resource_factory_data_t rfdata = {dsn_str, flags};
+
+                       obj->intern = ecalloc(1, sizeof(*obj->intern));
+
+                       zend_hash_init(&obj->intern->listeners, 0, NULL, (dtor_func_t) zend_hash_destroy, 0);
+                       zend_hash_init(&obj->intern->eventhandlers, 0, NULL, ZVAL_PTR_DTOR, 0);
+
+                       if (flags & PHP_PQCONN_PERSISTENT) {
+                               php_persistent_handle_factory_t *phf = php_persistent_handle_concede(NULL, ZEND_STRL("pq\\Connection"), dsn_str, dsn_len, php_pqconn_wakeup, php_pqconn_retire TSRMLS_CC);
+                               php_resource_factory_init(&obj->intern->factory, php_persistent_handle_get_resource_factory_ops(), phf, (void (*)(void*)) php_persistent_handle_abandon);
+                       } else {
+                               php_resource_factory_init(&obj->intern->factory, &php_pqconn_resource_factory_ops, NULL, NULL);
+                       }
+
+                       if (flags & PHP_PQCONN_ASYNC) {
+                               obj->intern->poller = (int (*)(PGconn*)) PQconnectPoll;
+                       }
+
+                       obj->intern->conn = php_resource_factory_handle_ctor(&obj->intern->factory, &rfdata TSRMLS_CC);
+
+                       PQsetInstanceData(obj->intern->conn, php_pqconn_event, evdata);
+                       PQsetNoticeReceiver(obj->intern->conn, php_pqconn_notice_recv, evdata);
+
+                       if (SUCCESS != php_pqconn_update_socket(getThis(), obj TSRMLS_CC)) {
+                               throw_exce(EX_CONNECTION_FAILED TSRMLS_CC, "Connection failed (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_reset, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, reset) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       PQreset(obj->intern->conn);
+
+                       if (CONNECTION_OK != PQstatus(obj->intern->conn)) {
+                               throw_exce(EX_CONNECTION_FAILED TSRMLS_CC, "Connection reset failed: (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       }
+
+                       php_pqconn_notify_listeners(obj TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_reset_async, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, resetAsync) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       if (!PQresetStart(obj->intern->conn)) {
+                               throw_exce(EX_IO TSRMLS_CC, "Failed to start connection reset (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else {
+                               obj->intern->poller = (int (*)(PGconn*)) PQresetPoll;
+                       }
+
+                       php_pqconn_notify_listeners(obj TSRMLS_CC);
+               }
+       }
+}
+
+static void php_pqconn_add_listener(php_pqconn_object_t *obj, const char *channel_str, size_t channel_len, php_pq_callback_t *listener TSRMLS_DC)
+{
+       HashTable ht, *existing_listeners;
+
+       php_pq_callback_addref(listener);
+
+       if (SUCCESS == zend_hash_find(&obj->intern->listeners, channel_str, channel_len + 1, (void *) &existing_listeners)) {
+               zend_hash_next_index_insert(existing_listeners, (void *) listener, sizeof(*listener), NULL);
+       } else {
+               zend_hash_init(&ht, 1, NULL, (dtor_func_t) php_pq_callback_dtor, 0);
+               zend_hash_next_index_insert(&ht, (void *) listener, sizeof(*listener), NULL);
+               zend_hash_add(&obj->intern->listeners, channel_str, channel_len + 1, (void *) &ht, sizeof(HashTable), NULL);
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_listen, 0, 0, 0)
+       ZEND_ARG_INFO(0, channel)
+       ZEND_ARG_INFO(0, callable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, listen) {
+       zend_error_handling zeh;
+       char *channel_str = NULL;
+       int channel_len = 0;
+       php_pq_callback_t listener;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sf", &channel_str, &channel_len, &listener.fci, &listener.fcc);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       char *quoted_channel = PQescapeIdentifier(obj->intern->conn, channel_str, channel_len);
+
+                       if (!quoted_channel) {
+                               throw_exce(EX_ESCAPE TSRMLS_CC, "Failed to escape channel identifier (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else {
+                               PGresult *res;
+                               smart_str cmd = {0};
+
+                               smart_str_appends(&cmd, "LISTEN ");
+                               smart_str_appends(&cmd, quoted_channel);
+                               smart_str_0(&cmd);
+
+                               res = PQexec(obj->intern->conn, cmd.c);
+
+                               smart_str_free(&cmd);
+                               PQfreemem(quoted_channel);
+
+                               if (!res) {
+                                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to install listener (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                               } else {
+                                       if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                                               obj->intern->poller = PQconsumeInput;
+                                               php_pqconn_add_listener(obj, channel_str, channel_len, &listener TSRMLS_CC);
+                                       }
+                                       PHP_PQclear(res);
+                               }
+
+                               php_pqconn_notify_listeners(obj TSRMLS_CC);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_listen_async, 0, 0, 0)
+       ZEND_ARG_INFO(0, channel)
+       ZEND_ARG_INFO(0, callable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, listenAsync) {
+       zend_error_handling zeh;
+       char *channel_str = NULL;
+       int channel_len = 0;
+       php_pq_callback_t listener;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sf", &channel_str, &channel_len, &listener.fci, &listener.fcc);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       char *quoted_channel = PQescapeIdentifier(obj->intern->conn, channel_str, channel_len);
+
+                       if (!quoted_channel) {
+                               throw_exce(EX_ESCAPE TSRMLS_CC, "Failed to escape channel identifier (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else {
+                               smart_str cmd = {0};
+
+                               smart_str_appends(&cmd, "LISTEN ");
+                               smart_str_appends(&cmd, quoted_channel);
+                               smart_str_0(&cmd);
+
+                               if (!PQsendQuery(obj->intern->conn, cmd.c)) {
+                                       throw_exce(EX_IO TSRMLS_CC, "Failed to install listener (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                               } else {
+                                       obj->intern->poller = PQconsumeInput;
+                                       php_pqconn_add_listener(obj, channel_str, channel_len, &listener TSRMLS_CC);
+                               }
+
+                               smart_str_free(&cmd);
+                               PQfreemem(quoted_channel);
+                               php_pqconn_notify_listeners(obj TSRMLS_CC);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_notify, 0, 0, 2)
+       ZEND_ARG_INFO(0, channel)
+       ZEND_ARG_INFO(0, message)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, notify) {
+       zend_error_handling zeh;
+       char *channel_str, *message_str;
+       int channel_len, message_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &channel_str, &channel_len, &message_str, &message_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       PGresult *res;
+                       char *params[2] = {channel_str, message_str};
+
+                       res = PQexecParams(obj->intern->conn, "select pg_notify($1, $2)", 2, NULL, (const char *const*) params, NULL, NULL, 0);
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to notify listeners (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else {
+                               php_pqres_success(res TSRMLS_CC);
+                               PHP_PQclear(res);
+                       }
+
+                       php_pqconn_notify_listeners(obj TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_notify_async, 0, 0, 2)
+       ZEND_ARG_INFO(0, channel)
+       ZEND_ARG_INFO(0, message)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, notifyAsync) {
+       zend_error_handling zeh;
+       char *channel_str, *message_str;
+       int channel_len, message_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &channel_str, &channel_len, &message_str, &message_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       char *params[2] = {channel_str, message_str};
+
+                       if (!PQsendQueryParams(obj->intern->conn, "select pg_notify($1, $2)", 2, NULL, (const char *const*) params, NULL, NULL, 0)) {
+                               throw_exce(EX_IO TSRMLS_CC, "Failed to notify listeners (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else {
+                               obj->intern->poller = PQconsumeInput;
+                       }
+
+                       php_pqconn_notify_listeners(obj TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_poll, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, poll) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else if (!obj->intern->poller) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "No asynchronous operation active");
+               } else {
+                       if (obj->intern->poller == PQconsumeInput) {
+                               RETVAL_LONG(obj->intern->poller(obj->intern->conn) * PGRES_POLLING_OK);
+                       } else {
+                               RETVAL_LONG(obj->intern->poller(obj->intern->conn));
+                       }
+                       php_pqconn_notify_listeners(obj TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_exec, 0, 0, 1)
+       ZEND_ARG_INFO(0, query)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, exec) {
+       zend_error_handling zeh;
+       char *query_str;
+       int query_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &query_str, &query_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       PGresult *res = PQexec(obj->intern->conn, query_str);
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to execute query (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                               php_pq_object_to_zval_no_addref(PQresultInstanceData(res, php_pqconn_event), &return_value TSRMLS_CC);
+                       } else {
+                               PHP_PQclear(res);
+                       }
+
+                       php_pqconn_notify_listeners(obj TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_get_result, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, getResult) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connectio not initialized");
+               } else {
+                       PGresult *res = PQgetResult(obj->intern->conn);
+
+                       if (!res) {
+                               RETVAL_NULL();
+                       } else {
+                               php_pq_object_to_zval_no_addref(PQresultInstanceData(res, php_pqconn_event), &return_value TSRMLS_CC);
+                       }
+
+                       php_pqconn_notify_listeners(obj TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_exec_async, 0, 0, 1)
+       ZEND_ARG_INFO(0, query)
+       ZEND_ARG_INFO(0, callable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, execAsync) {
+       zend_error_handling zeh;
+       php_pq_callback_t resolver = {{0}};
+       char *query_str;
+       int query_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|f", &query_str, &query_len, &resolver.fci, &resolver.fcc);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else if (!PQsendQuery(obj->intern->conn, query_str)) {
+                       throw_exce(EX_IO TSRMLS_CC, "Failed to execute query (%s)", PHP_PQerrorMessage(obj->intern->conn));
+               } else if (obj->intern->unbuffered && !PQsetSingleRowMode(obj->intern->conn)) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to enable unbuffered mode (%s)", PHP_PQerrorMessage(obj->intern->conn));
+               } else {
+                       obj->intern->poller = PQconsumeInput;
+                       php_pq_callback_dtor(&obj->intern->onevent);
+                       if (resolver.fci.size > 0) {
+                               obj->intern->onevent = resolver;
+                               php_pq_callback_addref(&obj->intern->onevent);
+                       }
+                       php_pqconn_notify_listeners(obj TSRMLS_CC);
+               }
+       }
+}
+
+static int apply_to_oid(void *p, void *arg TSRMLS_DC)
+{
+       Oid **types = arg;
+       zval **ztype = p;
+
+       if (Z_TYPE_PP(ztype) != IS_LONG) {
+               convert_to_long_ex(ztype);
+       }
+
+       **types = Z_LVAL_PP(ztype);
+       ++*types;
+
+       if (*ztype != *(zval **)p) {
+               zval_ptr_dtor(ztype);
+       }
+       return ZEND_HASH_APPLY_KEEP;
+}
+
+static int apply_to_param(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
+{
+       char ***params;
+       HashTable *zdtor;
+       zval **zparam = p;
+
+       params = (char ***) va_arg(argv, char ***);
+       zdtor = (HashTable *) va_arg(argv, HashTable *);
+
+       if (Z_TYPE_PP(zparam) == IS_NULL) {
+               **params = NULL;
+               ++*params;
+       } else {
+               if (Z_TYPE_PP(zparam) != IS_STRING) {
+                       convert_to_string_ex(zparam);
+               }
+
+               **params = Z_STRVAL_PP(zparam);
+               ++*params;
+
+               if (*zparam != *(zval **)p) {
+                       zend_hash_next_index_insert(zdtor, zparam, sizeof(zval *), NULL);
+               }
+       }
+       return ZEND_HASH_APPLY_KEEP;
+}
+
+static int php_pq_types_to_array(HashTable *ht, Oid **types TSRMLS_DC)
+{
+       int count = zend_hash_num_elements(ht);
+       
+       *types = NULL;
+
+       if (count) {
+               Oid *tmp;
+
+               /* +1 for when less types than params are specified */
+               *types = tmp = ecalloc(count + 1, sizeof(**types));
+               zend_hash_apply_with_argument(ht, apply_to_oid, &tmp TSRMLS_CC);
+       }
+       
+       return count;
+}
+
+static int php_pq_params_to_array(HashTable *ht, char ***params, HashTable *zdtor TSRMLS_DC)
+{
+       int count = zend_hash_num_elements(ht);
+       
+       *params = NULL;
+
+       if (count) {
+               char **tmp;
+
+               *params = tmp = ecalloc(count, sizeof(char *));
+               zend_hash_apply_with_arguments(ht TSRMLS_CC, apply_to_param, 2, &tmp, zdtor);
+       }
+       
+       return count;
+}
+/*
+static Oid *php_pq_ntypes_to_array(zend_bool fill, int argc, ...)
+{
+       int i;
+       Oid *oids = ecalloc(argc + 1, sizeof(*oids));
+       va_list argv;
+
+       va_start(argv, argc);
+       for (i = 0; i < argc; ++i) {
+               if (!fill || !i) {
+                       oids[i] = va_arg(argv, Oid);
+               } else {
+                       oids[i] = oids[0];
+               }
+       }
+       va_end(argv);
+
+       return oids;
+}
+*/
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_exec_params, 0, 0, 2)
+       ZEND_ARG_INFO(0, query)
+       ZEND_ARG_ARRAY_INFO(0, params, 0)
+       ZEND_ARG_ARRAY_INFO(0, types, 1)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, execParams) {
+       zend_error_handling zeh;
+       char *query_str;
+       int query_len;
+       zval *zparams;
+       zval *ztypes = NULL;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sa/|a/!", &query_str, &query_len, &zparams, &ztypes);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       PGresult *res;
+                       int count;
+                       Oid *types = NULL;
+                       char **params = NULL;
+                       HashTable zdtor;
+
+                       ZEND_INIT_SYMTABLE(&zdtor);
+                       count = php_pq_params_to_array(Z_ARRVAL_P(zparams), &params, &zdtor TSRMLS_CC);
+
+                       if (ztypes) {
+                               php_pq_types_to_array(Z_ARRVAL_P(ztypes), &types TSRMLS_CC);
+                       }
+
+                       res = PQexecParams(obj->intern->conn, query_str, count, types, (const char *const*) params, NULL, NULL, 0);
+
+                       zend_hash_destroy(&zdtor);
+                       if (types) {
+                               efree(types);
+                       }
+                       if (params) {
+                               efree(params);
+                       }
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to execute query (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else {
+                               if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                                       php_pq_object_to_zval_no_addref(PQresultInstanceData(res, php_pqconn_event), &return_value TSRMLS_CC);
+                               } else {
+                                       PHP_PQclear(res);
+                               }
+
+                               php_pqconn_notify_listeners(obj TSRMLS_CC);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_exec_params_async, 0, 0, 2)
+       ZEND_ARG_INFO(0, query)
+       ZEND_ARG_ARRAY_INFO(0, params, 0)
+       ZEND_ARG_ARRAY_INFO(0, types, 1)
+       ZEND_ARG_INFO(0, callable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, execParamsAsync) {
+       zend_error_handling zeh;
+       php_pq_callback_t resolver = {{0}};
+       char *query_str;
+       int query_len;
+       zval *zparams;
+       zval *ztypes = NULL;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sa/|a/!f", &query_str, &query_len, &zparams, &ztypes, &resolver.fci, &resolver.fcc);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       int count;
+                       Oid *types = NULL;
+                       char **params = NULL;
+                       HashTable zdtor;
+
+                       ZEND_INIT_SYMTABLE(&zdtor);
+                       count = php_pq_params_to_array(Z_ARRVAL_P(zparams), &params, &zdtor TSRMLS_CC);
+
+                       if (ztypes) {
+                               php_pq_types_to_array(Z_ARRVAL_P(ztypes), &types TSRMLS_CC);
+                       }
+
+                       if (!PQsendQueryParams(obj->intern->conn, query_str, count, types, (const char *const*) params, NULL, NULL, 0)) {
+                               throw_exce(EX_IO TSRMLS_CC, "Failed to execute query (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else if (obj->intern->unbuffered && !PQsetSingleRowMode(obj->intern->conn)) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to enable unbuffered mode (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                       } else {
+                               obj->intern->poller = PQconsumeInput;
+                               php_pq_callback_dtor(&obj->intern->onevent);
+                               if (resolver.fci.size > 0) {
+                                       obj->intern->onevent = resolver;
+                                       php_pq_callback_addref(&obj->intern->onevent);
+                               }
+                               php_pqconn_notify_listeners(obj TSRMLS_CC);
+                       }
+
+                       zend_hash_destroy(&zdtor);
+                       if (types) {
+                               efree(types);
+                       }
+                       if (params) {
+                               efree(params);
+                       }
+               }
+       }
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+}
+
+static STATUS php_pqconn_prepare(zval *object, php_pqconn_object_t *obj, const char *name, const char *query, HashTable *typest TSRMLS_DC)
+{
+       Oid *types = NULL;
+       int count = 0;
+       PGresult *res;
+       STATUS rv;
+
+       if (!obj) {
+               obj = zend_object_store_get_object(object TSRMLS_CC);
+       }
+
+       if (typest) {
+               count = zend_hash_num_elements(typest);
+               php_pq_types_to_array(typest, &types TSRMLS_CC);
+       }
+       
+       res = PQprepare(obj->intern->conn, name, query, count, types);
+
+       if (types) {
+               efree(types);
+       }
+
+       if (!res) {
+               rv = FAILURE;
+               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to prepare statement (%s)", PHP_PQerrorMessage(obj->intern->conn));
+       } else {
+               rv = php_pqres_success(res TSRMLS_CC);
+               PHP_PQclear(res);
+               php_pqconn_notify_listeners(obj TSRMLS_CC);
+       }
+       
+       return rv;
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_prepare, 0, 0, 2)
+       ZEND_ARG_INFO(0, type)
+       ZEND_ARG_INFO(0, query)
+       ZEND_ARG_ARRAY_INFO(0, types, 1)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, prepare) {
+       zend_error_handling zeh;
+       zval *ztypes = NULL;
+       char *name_str, *query_str;
+       int name_len, *query_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|a/!", &name_str, &name_len, &query_str, &query_len, &ztypes);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else if (SUCCESS == php_pqconn_prepare(getThis(), obj, name_str, query_str, ztypes ? Z_ARRVAL_P(ztypes) : NULL TSRMLS_CC)) {
+                       php_pqstm_t *stm = ecalloc(1, sizeof(*stm));
+
+                       php_pq_object_addref(obj TSRMLS_CC);
+                       stm->conn = obj;
+                       stm->name = estrdup(name_str);
+                       ZEND_INIT_SYMTABLE(&stm->bound);
+
+                       return_value->type = IS_OBJECT;
+                       return_value->value.obj = php_pqstm_create_object_ex(php_pqstm_class_entry, stm, NULL TSRMLS_CC);
+               }
+       }
+}
+
+static STATUS php_pqconn_prepare_async(zval *object, php_pqconn_object_t *obj, const char *name, const char *query, HashTable *typest TSRMLS_DC)
+{
+       STATUS rv;
+       int count;
+       Oid *types = NULL;
+       
+       if (!obj) {
+               obj = zend_object_store_get_object(object TSRMLS_CC);
+       }
+
+       if (typest) {
+               count = php_pq_types_to_array(typest, &types TSRMLS_CC);
+       }
+       
+       if (!PQsendPrepare(obj->intern->conn, name, query, count, types)) {
+               rv = FAILURE;
+               throw_exce(EX_IO TSRMLS_CC, "Failed to prepare statement (%s)", PHP_PQerrorMessage(obj->intern->conn));
+       } else if (obj->intern->unbuffered && !PQsetSingleRowMode(obj->intern->conn)) {
+               rv = FAILURE;
+               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to enable unbuffered mode (%s)", PHP_PQerrorMessage(obj->intern->conn));
+       } else {
+               rv = SUCCESS;
+               obj->intern->poller = PQconsumeInput;
+               php_pqconn_notify_listeners(obj TSRMLS_CC);
+       }
+       
+       if (types) {
+               efree(types);
+       }
+       
+       return rv;
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_prepare_async, 0, 0, 2)
+ZEND_ARG_INFO(0, type)
+       ZEND_ARG_INFO(0, query)
+       ZEND_ARG_ARRAY_INFO(0, types, 1)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, prepareAsync) {
+       zend_error_handling zeh;
+       zval *ztypes = NULL;
+       char *name_str, *query_str;
+       int name_len, *query_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|a/!", &name_str, &name_len, &query_str, &query_len, &ztypes);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else if (SUCCESS == php_pqconn_prepare_async(getThis(), obj, name_str, query_str, ztypes ? Z_ARRVAL_P(ztypes) : NULL TSRMLS_CC)) {
+                       php_pqstm_t *stm = ecalloc(1, sizeof(*stm));
+
+                       php_pq_object_addref(obj TSRMLS_CC);
+                       stm->conn = obj;
+                       stm->name = estrdup(name_str);
+                       ZEND_INIT_SYMTABLE(&stm->bound);
+
+                       return_value->type = IS_OBJECT;
+                       return_value->value.obj = php_pqstm_create_object_ex(php_pqstm_class_entry, stm, NULL TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_quote, 0, 0, 1)
+       ZEND_ARG_INFO(0, string)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, quote) {
+       char *str;
+       int len;
+
+       if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &len)) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       char *quoted = PQescapeLiteral(obj->intern->conn, str, len);
+
+                       if (!quoted) {
+                               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to quote string (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                               RETVAL_FALSE;
+                       } else {
+                               RETVAL_STRING(quoted, 1);
+                               PQfreemem(quoted);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_quote_name, 0, 0, 1)
+       ZEND_ARG_INFO(0, type)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, quoteName) {
+       char *str;
+       int len;
+
+       if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &len)) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       char *quoted = PQescapeIdentifier(obj->intern->conn, str, len);
+
+                       if (!quoted) {
+                               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to quote name (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                               RETVAL_FALSE;
+                       } else {
+                               RETVAL_STRING(quoted, 1);
+                               PQfreemem(quoted);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_escape_bytea, 0, 0, 1)
+       ZEND_ARG_INFO(0, bytea)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, escapeBytea) {
+       char *str;
+       int len;
+
+       if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &len)) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       size_t escaped_len;
+                       char *escaped_str = (char *) PQescapeByteaConn(obj->intern->conn, (unsigned char *) str, len, &escaped_len);
+
+                       if (!escaped_str) {
+                               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to escape bytea (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                               RETVAL_FALSE;
+                       } else {
+                               RETVAL_STRINGL(escaped_str, escaped_len - 1, 1);
+                               PQfreemem(escaped_str);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_unescape_bytea, 0, 0, 1)
+       ZEND_ARG_INFO(0, bytea)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, unescapeBytea) {
+       char *str;
+       int len;
+
+       if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &len)) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       size_t unescaped_len;
+                       char *unescaped_str = (char *) PQunescapeBytea((unsigned char *)str, &unescaped_len);
+
+                       if (!unescaped_str) {
+                               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to unescape bytea (%s)", PHP_PQerrorMessage(obj->intern->conn));
+                               RETVAL_FALSE;
+                       } else {
+                               RETVAL_STRINGL(unescaped_str, unescaped_len, 1);
+                               PQfreemem(unescaped_str);
+                       }
+               }
+       }
+}
+
+static const char *isolation_level(long *isolation) {
+       switch (*isolation) {
+       case PHP_PQTXN_SERIALIZABLE:
+               return "SERIALIZABLE";
+       case PHP_PQTXN_REPEATABLE_READ:
+               return "REPEATABLE READ";
+       default:
+               *isolation = PHP_PQTXN_READ_COMMITTED;
+               /* no break */
+       case PHP_PQTXN_READ_COMMITTED:
+               return "READ COMMITTED";
+       }
+}
+
+static STATUS php_pqconn_start_transaction(zval *zconn, php_pqconn_object_t *conn_obj, long isolation, zend_bool readonly, zend_bool deferrable TSRMLS_DC)
+{
+       STATUS rv = FAILURE;
+
+       if (!conn_obj) {
+               conn_obj = zend_object_store_get_object(zconn TSRMLS_CC);
+       }
+
+       if (!conn_obj->intern) {
+               throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+       } else {
+               PGresult *res;
+               smart_str cmd = {0};
+               const char *il = isolation_level(&isolation);
+
+               smart_str_appends(&cmd, "START TRANSACTION ISOLATION LEVEL ");
+               smart_str_appends(&cmd, il);
+               smart_str_appends(&cmd, ", READ ");
+               smart_str_appends(&cmd, readonly ? "ONLY" : "WRITE");
+               smart_str_appends(&cmd, ",");
+               smart_str_appends(&cmd, deferrable ? "" : " NOT");
+               smart_str_appends(&cmd, " DEFERRABLE");
+               smart_str_0(&cmd);
+
+               res = PQexec(conn_obj->intern->conn, cmd.c);
+
+               if (!res) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to start transaction (%s)", PHP_PQerrorMessage(conn_obj->intern->conn));
+               } else {
+                       rv = php_pqres_success(res TSRMLS_CC);
+                       PHP_PQclear(res);
+                       php_pqconn_notify_listeners(conn_obj TSRMLS_CC);
+               }
+
+               smart_str_free(&cmd);
+       }
+
+       return rv;
+}
+
+static STATUS php_pqconn_start_transaction_async(zval *zconn, php_pqconn_object_t *conn_obj, long isolation, zend_bool readonly, zend_bool deferrable TSRMLS_DC)
+{
+       STATUS rv = FAILURE;
+
+       if (!conn_obj) {
+               conn_obj = zend_object_store_get_object(zconn TSRMLS_CC);
+       }
+
+       if (!conn_obj->intern) {
+               throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+       } else {
+               smart_str cmd = {0};
+               const char *il = isolation_level(&isolation);
+
+               smart_str_appends(&cmd, "START TRANSACTION ISOLATION LEVEL ");
+               smart_str_appends(&cmd, il);
+               smart_str_appends(&cmd, ", READ ");
+               smart_str_appends(&cmd, readonly ? "ONLY" : "WRITE");
+               smart_str_appends(&cmd, ",");
+               smart_str_appends(&cmd, deferrable ? "" : "NOT ");
+               smart_str_appends(&cmd, " DEFERRABLE");
+               smart_str_0(&cmd);
+
+               if (!PQsendQuery(conn_obj->intern->conn, cmd.c)) {
+                       throw_exce(EX_IO TSRMLS_CC, "Failed to start transaction (%s)", PHP_PQerrorMessage(conn_obj->intern->conn));
+               } else {
+                       rv = SUCCESS;
+                       conn_obj->intern->poller = PQconsumeInput;
+                       php_pqconn_notify_listeners(conn_obj TSRMLS_CC);
+               }
+
+               smart_str_free(&cmd);
+       }
+
+       return rv;
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_start_transaction, 0, 0, 0)
+       ZEND_ARG_INFO(0, isolation)
+       ZEND_ARG_INFO(0, readonly)
+       ZEND_ARG_INFO(0, deferrable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, startTransaction) {
+       zend_error_handling zeh;
+       long isolation = PHP_PQTXN_READ_COMMITTED;
+       zend_bool readonly = 0, deferrable = 0;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lbb", &isolation, &readonly, &deferrable);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               rv = php_pqconn_start_transaction(getThis(), obj, isolation, readonly, deferrable TSRMLS_CC);
+
+               if (SUCCESS == rv) {
+                       php_pqtxn_t *txn = ecalloc(1, sizeof(*txn));
+
+                       php_pq_object_addref(obj TSRMLS_CC);
+                       txn->conn = obj;
+                       txn->open = 1;
+                       txn->isolation = isolation;
+                       txn->readonly = readonly;
+                       txn->deferrable = deferrable;
+
+                       return_value->type = IS_OBJECT;
+                       return_value->value.obj = php_pqtxn_create_object_ex(php_pqtxn_class_entry, txn, NULL TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_start_transaction_async, 0, 0, 0)
+       ZEND_ARG_INFO(0, isolation)
+       ZEND_ARG_INFO(0, readonly)
+       ZEND_ARG_INFO(0, deferrable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, startTransactionAsync) {
+       zend_error_handling zeh;
+       long isolation = PHP_PQTXN_READ_COMMITTED;
+       zend_bool readonly = 0, deferrable = 0;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lbb", &isolation, &readonly, &deferrable);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               rv = php_pqconn_start_transaction_async(getThis(), obj, isolation, readonly, deferrable TSRMLS_CC);
+
+               if (SUCCESS == rv) {
+                       php_pqtxn_t *txn = ecalloc(1, sizeof(*txn));
+
+                       php_pq_object_addref(obj TSRMLS_CC);
+                       txn->conn = obj;
+                       txn->isolation = isolation;
+                       txn->readonly = readonly;
+                       txn->deferrable = deferrable;
+
+                       return_value->type = IS_OBJECT;
+                       return_value->value.obj = php_pqtxn_create_object_ex(php_pqtxn_class_entry, txn, NULL TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_trace, 0, 0, 0)
+       ZEND_ARG_INFO(0, stdio_stream)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqconn, trace) {
+       zval *zstream = NULL;
+
+       if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r!", &zstream)) {
+               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       if (!zstream) {
+                               PQuntrace(obj->intern->conn);
+                               RETVAL_TRUE;
+                       } else {
+                               FILE *fp;
+                               php_stream *stream = NULL;
+
+                               php_stream_from_zval(stream, &zstream);
+
+                               if (SUCCESS != php_stream_cast(stream, PHP_STREAM_AS_STDIO, (void *) &fp, REPORT_ERRORS)) {
+                                       RETVAL_FALSE;
+                               } else {
+                                       stream->flags |= PHP_STREAM_FLAG_NO_CLOSE;
+                                       PQtrace(obj->intern->conn, fp);
+                                       RETVAL_TRUE;
+                               }
+                       }
+               }
+       }
+}
+
+static zend_function_entry php_pqconn_methods[] = {
+       PHP_ME(pqconn, __construct, ai_pqconn_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       PHP_ME(pqconn, reset, ai_pqconn_reset, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, resetAsync, ai_pqconn_reset_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, poll, ai_pqconn_poll, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, exec, ai_pqconn_exec, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, execAsync, ai_pqconn_exec_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, execParams, ai_pqconn_exec_params, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, execParamsAsync, ai_pqconn_exec_params_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, prepare, ai_pqconn_prepare, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, prepareAsync, ai_pqconn_prepare_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, listen, ai_pqconn_listen, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, listenAsync, ai_pqconn_listen_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, notify, ai_pqconn_notify, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, notifyAsync, ai_pqconn_notify_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, getResult, ai_pqconn_get_result, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, quote, ai_pqconn_quote, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, quoteName, ai_pqconn_quote_name, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, escapeBytea, ai_pqconn_escape_bytea, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, unescapeBytea, ai_pqconn_unescape_bytea, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, startTransaction, ai_pqconn_start_transaction, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, startTransactionAsync, ai_pqconn_start_transaction_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqconn, trace, ai_pqconn_trace, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtypes_construct, 0, 0, 1)
+       ZEND_ARG_OBJ_INFO(0, connection, pq\\Connection, 0)
+       ZEND_ARG_ARRAY_INFO(0, namespaces, 1)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtypes, __construct) {
+       zend_error_handling zeh;
+       zval *zconn, *znsp = NULL;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|a!", &zconn, php_pqconn_class_entry, &znsp);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *conn_obj = zend_object_store_get_object(zconn TSRMLS_CC);
+
+               if (!conn_obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       php_pqtypes_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+                       zval *retval = NULL;
+
+                       obj->intern = ecalloc(1, sizeof(*obj->intern));
+                       obj->intern->conn = conn_obj;
+                       php_pq_object_addref(conn_obj TSRMLS_CC);
+                       zend_hash_init(&obj->intern->types, 300, NULL, ZVAL_PTR_DTOR, 0);
+
+                       if (znsp) {
+                               zend_call_method_with_1_params(&getThis(), Z_OBJCE_P(getThis()), NULL, "refresh", &retval, znsp);
+                       } else {
+                               zend_call_method_with_0_params(&getThis(), Z_OBJCE_P(getThis()), NULL, "refresh", &retval);
+                       }
+
+                       if (retval) {
+                               zval_ptr_dtor(&retval);
+                       }
+               }
+       }
+}
+
+#define PHP_PQ_TYPES_QUERY \
+       "select t.oid, t.* " \
+       "from pg_type t join pg_namespace n on t.typnamespace=n.oid " \
+       "where typisdefined " \
+       "and typrelid=0"
+#define PHP_PQ_OID_TEXT 25
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtypes_refresh, 0, 0, 0)
+       ZEND_ARG_ARRAY_INFO(0, namespaces, 1)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtypes, refresh) {
+       HashTable *nsp = NULL;
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|H/!", &nsp);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtypes_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Types not initialized");
+               } else {
+                       PGresult *res;
+
+                       if (!nsp || !zend_hash_num_elements(nsp)) {
+                               res = PQexec(obj->intern->conn->intern->conn, PHP_PQ_TYPES_QUERY " and nspname in ('public', 'pg_catalog')");
+                       } else {
+                               int i, count;
+                               Oid *oids;
+                               char **params = NULL;
+                               HashTable zdtor;
+                               smart_str str = {0};
+
+                               smart_str_appends(&str, PHP_PQ_TYPES_QUERY " and nspname in(");
+                               zend_hash_init(&zdtor, 0, NULL, ZVAL_PTR_DTOR, 0);
+                               count = php_pq_params_to_array(nsp, &params, &zdtor TSRMLS_CC);
+                               oids = ecalloc(count + 1, sizeof(*oids));
+                               for (i = 0; i < count; ++i) {
+                                       oids[i] = PHP_PQ_OID_TEXT;
+                                       if (i) {
+                                               smart_str_appendc(&str, ',');
+                                       }
+                                       smart_str_appendc(&str, '$');
+                                       smart_str_append_unsigned(&str, i+1);
+                               }
+                               smart_str_appendc(&str, ')');
+                               smart_str_0(&str);
+
+                               res = PQexecParams(obj->intern->conn->intern->conn, str.c, count, oids, (const char *const*) params, NULL, NULL, 0);
+
+                               smart_str_free(&str);
+                               efree(oids);
+                               efree(params);
+                               zend_hash_destroy(&zdtor);
+                       }
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to fetch types (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                                       int r, rows;
+
+                                       for (r = 0, rows = PQntuples(res); r < rows; ++r) {
+                                               zval *row = php_pqres_row_to_zval(res, r, PHP_PQRES_FETCH_OBJECT, NULL TSRMLS_CC);
+                                               long oid = atol(PQgetvalue(res, r, 0 ));
+                                               char *name = PQgetvalue(res, r, 1);
+
+                                               Z_ADDREF_P(row);
+
+                                               zend_hash_index_update(&obj->intern->types, oid, (void *) &row, sizeof(zval *), NULL);
+                                               zend_hash_add(&obj->intern->types, name, strlen(name) + 1, (void *) &row, sizeof(zval *), NULL);
+                                       }
+                               }
+
+                               PHP_PQclear(res);
+                               php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+                       }
+               }
+       }
+}
+
+static zend_function_entry php_pqtypes_methods[] = {
+       PHP_ME(pqtypes, __construct, ai_pqtypes_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       PHP_ME(pqtypes, refresh, ai_pqtypes_refresh, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+static STATUS php_pqres_iteration(zval *this_ptr, php_pqres_object_t *obj, php_pqres_fetch_t fetch_type, zval ***row TSRMLS_DC)
+{
+       STATUS rv;
+       php_pqres_fetch_t orig_fetch;
+
+       if (!obj) {
+        obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+       }
+
+       if (!obj->intern->iter) {
+               obj->intern->iter = (php_pqres_iterator_t *) php_pqres_iterator_init(Z_OBJCE_P(getThis()), getThis(), 0 TSRMLS_CC);
+               obj->intern->iter->zi.funcs->rewind((zend_object_iterator *) obj->intern->iter TSRMLS_CC);
+       }
+       orig_fetch = obj->intern->iter->fetch_type;
+       obj->intern->iter->fetch_type = fetch_type;
+       if (SUCCESS == (rv = obj->intern->iter->zi.funcs->valid((zend_object_iterator *) obj->intern->iter TSRMLS_CC))) {
+               obj->intern->iter->zi.funcs->get_current_data((zend_object_iterator *) obj->intern->iter, row TSRMLS_CC);
+               obj->intern->iter->zi.funcs->move_forward((zend_object_iterator *) obj->intern->iter TSRMLS_CC);
+       }
+       obj->intern->iter->fetch_type = orig_fetch;
+
+       return rv;
+}
+
+typedef struct php_pqres_col {
+       char *name;
+       int num;
+} php_pqres_col_t;
+
+static STATUS column_nn(php_pqres_object_t *obj, zval *zcol, php_pqres_col_t *col TSRMLS_DC)
+{
+       long index = -1;
+       char *name = NULL;
+
+       switch (Z_TYPE_P(zcol)) {
+       default:
+               convert_to_string(zcol);
+               /* no break */
+
+       case IS_STRING:
+               if (!is_numeric_string(Z_STRVAL_P(zcol), Z_STRLEN_P(zcol), &index, NULL, 0)) {
+                       name = Z_STRVAL_P(zcol);
+               }
+               break;
+
+       case IS_LONG:
+               index = Z_LVAL_P(zcol);
+               break;
+       }
+
+       if (name) {
+               col->name = name;
+               col->num = PQfnumber(obj->intern->res, name);
+       } else {
+               col->name = PQfname(obj->intern->res, index);
+               col->num = index;
+       }
+
+       if (!col->name) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to find column at index %ld", index);
+               return FAILURE;
+       }
+       if (col->num == -1) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to find column with name '%s'", name);
+               return FAILURE;
+       }
+       return SUCCESS;
+}
+
+static int compare_index(const void *lptr, const void *rptr TSRMLS_DC)
+{
+       const Bucket *l = *(const Bucket **) lptr;
+       const Bucket *r = *(const Bucket **) rptr;
+
+       if (l->h < r->h) {
+               return -1;
+       }
+       if (l->h > r->h) {
+               return 1;
+       }
+       return 0;
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqres_bind, 0, 0, 2)
+       ZEND_ARG_INFO(0, col)
+       ZEND_ARG_INFO(1, ref)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqres, bind) {
+       zval *zcol, *zref;
+
+       if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z/z", &zcol, &zref)) {
+               php_pqres_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Result not initialized");
+               } else {
+                       php_pqres_col_t col;
+
+                       if (SUCCESS != column_nn(obj, zcol, &col TSRMLS_CC)) {
+                               RETVAL_FALSE;
+                       } else {
+                               Z_ADDREF_P(zref);
+
+                               if (SUCCESS != zend_hash_index_update(&obj->intern->bound, col.num, (void *) &zref, sizeof(zval *), NULL)) {
+                                       php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to bind column %s@%d", col.name, col.num);
+                                       RETVAL_FALSE;
+                               } else {
+                                       zend_hash_sort(&obj->intern->bound, zend_qsort, compare_index, 0 TSRMLS_CC);
+                                       RETVAL_TRUE;
+                               }
+                       }
+               }
+       }
+}
+
+static int apply_bound(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
+{
+       zval **zvalue, **zbound = p;
+       zval **zrow = va_arg(argv, zval **);
+       STATUS *rv = va_arg(argv, STATUS *);
+
+       if (SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrow), key->h, (void *) &zvalue)) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to find column ad index %lu", key->h);
+               *rv = FAILURE;
+               return ZEND_HASH_APPLY_STOP;
+       } else {
+               zval_dtor(*zbound);
+               ZVAL_COPY_VALUE(*zbound, *zvalue);
+               ZVAL_NULL(*zvalue);
+               zval_ptr_dtor(zvalue);
+               Z_ADDREF_P(*zbound);
+               *zvalue = *zbound;
+               *rv = SUCCESS;
+               return ZEND_HASH_APPLY_KEEP;
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqres_fetch_bound, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqres, fetchBound) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqres_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Result not initialized");
+               } else {
+                       zval **row = NULL;
+
+                       if (SUCCESS == php_pqres_iteration(getThis(), obj, PHP_PQRES_FETCH_ARRAY, &row TSRMLS_CC) && row) {
+                               zend_replace_error_handling(EH_THROW, exce(EX_RUNTIME), &zeh TSRMLS_CC);
+                               zend_hash_apply_with_arguments(&obj->intern->bound TSRMLS_CC, apply_bound, 2, row, &rv);
+                               zend_restore_error_handling(&zeh TSRMLS_CC);
+
+                               if (SUCCESS != rv) {
+                                       zval_ptr_dtor(row);
+                               } else {
+                                       RETVAL_ZVAL(*row, 1, 0);
+                               }
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqres_fetch_row, 0, 0, 0)
+       ZEND_ARG_INFO(0, fetch_type)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqres, fetchRow) {
+       zend_error_handling zeh;
+       php_pqres_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+       long fetch_type = -1;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &fetch_type);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Result not initialized");
+               } else {
+                       zval **row = NULL;
+
+                       if (fetch_type == -1) {
+                                fetch_type = obj->intern->iter ? obj->intern->iter->fetch_type : PHP_PQRES_FETCH_ARRAY;
+                       }
+
+                       zend_replace_error_handling(EH_THROW, exce(EX_RUNTIME), &zeh TSRMLS_CC);
+                       php_pqres_iteration(getThis(), obj, fetch_type, &row TSRMLS_CC);
+                       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+                       if (row) {
+                               RETVAL_ZVAL(*row, 1, 0);
+                       }
+               }
+       }
+}
+
+static zval **column_at(zval *row, int col TSRMLS_DC)
+{
+       zval **data = NULL;
+       HashTable *ht = HASH_OF(row);
+       int count = zend_hash_num_elements(ht);
+
+       if (col >= count) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Column index %d exceeds column count %d", col, count);
+       } else {
+               zend_hash_internal_pointer_reset(ht);
+               while (col-- > 0) {
+                       zend_hash_move_forward(ht);
+               }
+               zend_hash_get_current_data(ht, (void *) &data);
+       }
+       return data;
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqres_fetch_col, 0, 0, 0)
+       ZEND_ARG_INFO(0, col_num)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqres, fetchCol) {
+       zend_error_handling zeh;
+       long fetch_col = 0;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &fetch_col);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqres_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Result not initialized");
+               } else {
+                       zval **row = NULL;
+
+                       zend_replace_error_handling(EH_THROW, exce(EX_RUNTIME), &zeh TSRMLS_CC);
+                       php_pqres_iteration(getThis(), obj, obj->intern->iter ? obj->intern->iter->fetch_type : 0, &row TSRMLS_CC);
+                       if (row) {
+                               zval **col = column_at(*row, fetch_col TSRMLS_CC);
+
+                               if (col) {
+                                       RETVAL_ZVAL(*col, 1, 0);
+                               }
+                       }
+                       zend_restore_error_handling(&zeh TSRMLS_CC);
+               }
+       }
+}
+
+static int apply_to_col(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
+{
+       zval **c = p;
+       php_pqres_object_t *obj = va_arg(argv, php_pqres_object_t *);
+       php_pqres_col_t *col, **cols = va_arg(argv, php_pqres_col_t **);
+       STATUS *rv = va_arg(argv, STATUS *);
+
+       col = *cols;
+
+       if (SUCCESS != column_nn(obj, *c, col TSRMLS_CC)) {
+               *rv = FAILURE;
+               return ZEND_HASH_APPLY_STOP;
+       } else {
+               *rv = SUCCESS;
+               ++*cols;
+               return ZEND_HASH_APPLY_KEEP;
+       }
+}
+
+static php_pqres_col_t *php_pqres_convert_to_cols(php_pqres_object_t *obj, HashTable *ht TSRMLS_DC)
+{
+       php_pqres_col_t *tmp, *cols = ecalloc(zend_hash_num_elements(ht), sizeof(*cols));
+       STATUS rv = SUCCESS;
+
+       tmp = cols;
+       zend_hash_apply_with_arguments(ht TSRMLS_CC, apply_to_col, 2, obj, &tmp, &rv);
+
+       if (SUCCESS == rv) {
+               return cols;
+       } else {
+               efree(cols);
+               return NULL;
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqres_map, 0, 0, 0)
+       ZEND_ARG_INFO(0, keys)
+       ZEND_ARG_INFO(0, vals)
+       ZEND_ARG_INFO(0, fetch_type)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqres, map) {
+       zend_error_handling zeh;
+       zval *zkeys = 0, *zvals = 0;
+       long fetch_type = -1;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|z/!z/!l", &zkeys, &zvals, &fetch_type);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqres_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Result not initialized");
+               } else {
+                       int ks = 0, vs = 0;
+                       php_pqres_col_t def = {PQfname(obj->intern->res, 0), 0}, *keys = NULL, *vals = NULL;
+
+                       if (zkeys) {
+                               convert_to_array(zkeys);
+
+                               if ((ks = zend_hash_num_elements(Z_ARRVAL_P(zkeys)))) {
+                                       keys = php_pqres_convert_to_cols(obj, Z_ARRVAL_P(zkeys) TSRMLS_CC);
+                               } else {
+                                       ks = 1;
+                                       keys = &def;
+                               }
+                       } else {
+                               ks = 1;
+                               keys = &def;
+                       }
+                       if (zvals) {
+                               convert_to_array(zvals);
+
+                               if ((vs = zend_hash_num_elements(Z_ARRVAL_P(zvals)))) {
+                                       vals = php_pqres_convert_to_cols(obj, Z_ARRVAL_P(zvals) TSRMLS_CC);
+                               }
+                       }
+
+                       if (fetch_type == -1) {
+                               fetch_type = obj->intern->iter ? obj->intern->iter->fetch_type : PHP_PQRES_FETCH_ARRAY;
+                       }
+
+                       if (keys) {
+                               int rows, r;
+                               zval **cur;
+
+                               switch (fetch_type) {
+                               case PHP_PQRES_FETCH_ARRAY:
+                               case PHP_PQRES_FETCH_ASSOC:
+                                       array_init(return_value);
+                                       break;
+                               case PHP_PQRES_FETCH_OBJECT:
+                                       object_init(return_value);
+                                       break;
+                               }
+                               for (r = 0, rows = PQntuples(obj->intern->res); r < rows; ++r) {
+                                       int k, v;
+
+                                       cur = &return_value;
+                                       for (k = 0; k < ks; ++k) {
+                                               char *key = PQgetvalue(obj->intern->res, r, keys[k].num);
+                                               int len = PQgetlength(obj->intern->res, r, keys[k].num);
+
+                                               if (SUCCESS != zend_symtable_find(HASH_OF(*cur), key, len + 1, (void *) &cur)) {
+                                                       zval *tmp;
+
+                                                       MAKE_STD_ZVAL(tmp);
+                                                       switch (fetch_type) {
+                                                       case PHP_PQRES_FETCH_ARRAY:
+                                                       case PHP_PQRES_FETCH_ASSOC:
+                                                               array_init(tmp);
+                                                               break;
+                                                       case PHP_PQRES_FETCH_OBJECT:
+                                                               object_init(tmp);
+                                                               break;
+                                                       }
+                                                       if (SUCCESS != zend_symtable_update(HASH_OF(*cur), key, len + 1, (void *) &tmp, sizeof(zval *), (void *) &cur)) {
+                                                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to create map");
+                                                               goto err;
+                                                       }
+                                               }
+                                       }
+                                       if (vals && vs) {
+                                               for (v = 0; v < vs; ++v) {
+                                                       char *val = PQgetvalue(obj->intern->res, r, vals[v].num);
+                                                       int len = PQgetlength(obj->intern->res, r, vals[v].num);
+
+                                                       switch (fetch_type) {
+                                                       case PHP_PQRES_FETCH_ARRAY:
+                                                               add_index_stringl(*cur, vals[v].num, val, len, 1);
+                                                               break;
+                                                       case PHP_PQRES_FETCH_ASSOC:
+                                                               add_assoc_stringl(*cur, vals[v].name, val, len, 1);
+                                                               break;
+                                                       case PHP_PQRES_FETCH_OBJECT:
+                                                               add_property_stringl(*cur, vals[v].name, val, len, 1);
+                                                               break;
+                                                       }
+                                               }
+                                       } else {
+                                               php_pqres_row_to_zval(obj->intern->res, r, fetch_type, cur TSRMLS_CC);
+                                       }
+                               }
+                       }
+
+                       err:
+                       if (keys && keys != &def) {
+                               efree(keys);
+                       }
+                       if (vals) {
+                               efree(vals);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqres_fetch_all, 0, 0, 0)
+       ZEND_ARG_INFO(0, fetch_type)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqres, fetchAll) {
+       zend_error_handling zeh;
+       long fetch_type = -1;
+       STATUS rv;
+       
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &fetch_type);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+       
+       if (SUCCESS == rv) {
+               php_pqres_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Result not initialized");
+               } else {
+                       int r, rows = PQntuples(obj->intern->res);
+
+                       if (fetch_type == -1) {
+                                fetch_type = obj->intern->iter ? obj->intern->iter->fetch_type : PHP_PQRES_FETCH_ARRAY;
+                       }
+
+                       array_init(return_value);
+                       for (r = 0; r < rows; ++r) {
+                               add_next_index_zval(return_value, php_pqres_row_to_zval(obj->intern->res, r, fetch_type, NULL TSRMLS_CC));
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqres_count, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqres, count) {
+       if (SUCCESS == zend_parse_parameters_none()) {
+               long count;
+
+               if (SUCCESS != php_pqres_count_elements(getThis(), &count TSRMLS_CC)) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Result not initialized");
+               } else {
+                       RETVAL_LONG(count);
+               }
+       }
+}
+
+static zend_function_entry php_pqres_methods[] = {
+       PHP_ME(pqres, bind, ai_pqres_bind, ZEND_ACC_PUBLIC)
+       PHP_ME(pqres, fetchBound, ai_pqres_fetch_bound, ZEND_ACC_PUBLIC)
+       PHP_ME(pqres, fetchRow, ai_pqres_fetch_row, ZEND_ACC_PUBLIC)
+       PHP_ME(pqres, fetchCol, ai_pqres_fetch_col, ZEND_ACC_PUBLIC)
+       PHP_ME(pqres, fetchAll, ai_pqres_fetch_all, ZEND_ACC_PUBLIC)
+       PHP_ME(pqres, count, ai_pqres_count, ZEND_ACC_PUBLIC)
+       PHP_ME(pqres, map, ai_pqres_map, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqstm_construct, 0, 0, 3)
+       ZEND_ARG_OBJ_INFO(0, Connection, pq\\Connection, 0)
+       ZEND_ARG_INFO(0, type)
+       ZEND_ARG_INFO(0, query)
+       ZEND_ARG_ARRAY_INFO(0, types, 1)
+       ZEND_ARG_INFO(0, async)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqstm, __construct) {
+       zend_error_handling zeh;
+       zval *zconn, *ztypes = NULL;
+       char *name_str, *query_str;
+       int name_len, *query_len;
+       zend_bool async = 0;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Oss|a/!b", &zconn, php_pqconn_class_entry, &name_str, &name_len, &query_str, &query_len, &ztypes, &async);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqstm_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+               php_pqconn_object_t *conn_obj = zend_object_store_get_object(zconn TSRMLS_CC);
+
+               if (!conn_obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       if (async) {
+                               rv = php_pqconn_prepare_async(zconn, conn_obj, name_str, query_str, ztypes ? Z_ARRVAL_P(ztypes) : NULL TSRMLS_CC);
+                       } else {
+                               rv = php_pqconn_prepare(zconn, conn_obj, name_str, query_str, ztypes ? Z_ARRVAL_P(ztypes) : NULL TSRMLS_CC);
+                       }
+
+                       if (SUCCESS == rv) {
+                               php_pqstm_t *stm = ecalloc(1, sizeof(*stm));
+
+                               php_pq_object_addref(conn_obj TSRMLS_CC);
+                               stm->conn = conn_obj;
+                               stm->name = estrdup(name_str);
+                               ZEND_INIT_SYMTABLE(&stm->bound);
+                               obj->intern = stm;
+                       }
+               }
+       }
+}
+ZEND_BEGIN_ARG_INFO_EX(ai_pqstm_bind, 0, 0, 2)
+       ZEND_ARG_INFO(0, param_no)
+       ZEND_ARG_INFO(1, param_ref)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqstm, bind) {
+       long param_no;
+       zval *param_ref;
+
+       if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lz", &param_no, &param_ref)) {
+               php_pqstm_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Statement not initialized");
+               } else {
+                       Z_ADDREF_P(param_ref);
+                       zend_hash_index_update(&obj->intern->bound, param_no, (void *) &param_ref, sizeof(zval *), NULL);
+                       zend_hash_sort(&obj->intern->bound, zend_qsort, compare_index, 0 TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqstm_exec, 0, 0, 0)
+       ZEND_ARG_ARRAY_INFO(0, params, 1)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqstm, exec) {
+       zend_error_handling zeh;
+       zval *zparams = NULL;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a/!", &zparams);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqstm_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Statement not initialized");
+               } else {
+                       int count = 0;
+                       char **params = NULL;
+                       HashTable zdtor;
+                       PGresult *res;
+
+                       ZEND_INIT_SYMTABLE(&zdtor);
+
+                       if (zparams) {
+                               count = php_pq_params_to_array(Z_ARRVAL_P(zparams), &params, &zdtor TSRMLS_CC);
+                       } else {
+                               count = php_pq_params_to_array(&obj->intern->bound, &params, &zdtor TSRMLS_CC);
+                       }
+
+                       res = PQexecPrepared(obj->intern->conn->intern->conn, obj->intern->name, count, (const char *const*) params, NULL, NULL, 0);
+
+                       if (params) {
+                               efree(params);
+                       }
+                       zend_hash_destroy(&zdtor);
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to execute statement (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                               php_pq_object_to_zval_no_addref(PQresultInstanceData(res, php_pqconn_event), &return_value TSRMLS_CC);
+                               php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqstm_exec_async, 0, 0, 0)
+       ZEND_ARG_ARRAY_INFO(0, params, 1)
+       ZEND_ARG_INFO(0, callable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqstm, execAsync) {
+       zend_error_handling zeh;
+       zval *zparams = NULL;
+       php_pq_callback_t resolver = {{0}};
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a/!f", &zparams, &resolver.fci, &resolver.fcc);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqstm_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Statement not initialized");
+               } else {
+                       int count;
+                       char **params = NULL;
+                       HashTable zdtor;
+
+                       if (zparams) {
+                               ZEND_INIT_SYMTABLE(&zdtor);
+                               count = php_pq_params_to_array(Z_ARRVAL_P(zparams), &params, &zdtor TSRMLS_CC);
+                       }
+
+                       if (!PQsendQueryPrepared(obj->intern->conn->intern->conn, obj->intern->name, count, (const char *const*) params, NULL, NULL, 0)) {
+                               throw_exce(EX_IO TSRMLS_CC, "Failed to execute statement (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else if (obj->intern->conn->intern->unbuffered && !PQsetSingleRowMode(obj->intern->conn->intern->conn)) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to enable unbuffered mode (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               php_pq_callback_dtor(&obj->intern->conn->intern->onevent);
+                               if (resolver.fci.size > 0) {
+                                       obj->intern->conn->intern->onevent = resolver;
+                                       php_pq_callback_addref(&obj->intern->conn->intern->onevent);
+                               }
+                               obj->intern->conn->intern->poller = PQconsumeInput;
+                       }
+
+                       if (params) {
+                               efree(params);
+                       }
+                       if (zparams) {
+                               zend_hash_destroy(&zdtor);
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqstm_desc, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqstm, desc) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqstm_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Statement not initialized");
+               } else {
+                       PGresult *res = PQdescribePrepared(obj->intern->conn->intern->conn, obj->intern->name);
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to describe statement (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                                       int p, params;
+
+                                       array_init(return_value);
+                                       for (p = 0, params = PQnparams(res); p < params; ++p) {
+                                               add_next_index_long(return_value, PQparamtype(res, p));
+                                       }
+                               }
+                               PHP_PQclear(res);
+                               php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqstm_desc_async, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqstm, descAsync) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqstm_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Statement not initialized");
+               } else if (!PQsendDescribePrepared(obj->intern->conn->intern->conn, obj->intern->name)) {
+                       throw_exce(EX_IO TSRMLS_CC, "Failed to describe statement: %s", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+               } else {
+                       obj->intern->conn->intern->poller = PQconsumeInput;
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+static zend_function_entry php_pqstm_methods[] = {
+       PHP_ME(pqstm, __construct, ai_pqstm_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       PHP_ME(pqstm, bind, ai_pqstm_bind, ZEND_ACC_PUBLIC)
+       PHP_ME(pqstm, exec, ai_pqstm_exec, ZEND_ACC_PUBLIC)
+       PHP_ME(pqstm, desc, ai_pqstm_desc, ZEND_ACC_PUBLIC)
+       PHP_ME(pqstm, execAsync, ai_pqstm_exec_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqstm, descAsync, ai_pqstm_desc_async, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_construct, 0, 0, 1)
+       ZEND_ARG_OBJ_INFO(0, connection, pq\\Connection, 0)
+       ZEND_ARG_INFO(0, async)
+       ZEND_ARG_INFO(0, isolation)
+       ZEND_ARG_INFO(0, readonly)
+       ZEND_ARG_INFO(0, deferrable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, __construct) {
+       zend_error_handling zeh;
+       zval *zconn;
+       long isolation = PHP_PQTXN_READ_COMMITTED;
+       zend_bool async = 0, readonly = 0, deferrable = 0;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|blbb", &zconn, php_pqconn_class_entry, &async, &isolation, &readonly, &deferrable);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *conn_obj = zend_object_store_get_object(zconn TSRMLS_CC);
+
+               if (!conn_obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       if (async) {
+                               rv = php_pqconn_start_transaction_async(zconn, conn_obj, isolation, readonly, deferrable TSRMLS_CC);
+                       } else {
+                               rv = php_pqconn_start_transaction(zconn, conn_obj, isolation, readonly, deferrable TSRMLS_CC);
+                       }
+
+                       if (SUCCESS == rv) {
+                               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+                               obj->intern = ecalloc(1, sizeof(*obj->intern));
+
+                               php_pq_object_addref(conn_obj TSRMLS_CC);
+                               obj->intern->conn = conn_obj;
+                               obj->intern->open = 1;
+                               obj->intern->isolation = isolation;
+                               obj->intern->readonly = readonly;
+                               obj->intern->deferrable = deferrable;
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_savepoint, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, savepoint) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (!obj->intern->open) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transaction already closed");
+               } else {
+                       PGresult *res;
+                       smart_str cmd = {0};
+
+                       smart_str_appends(&cmd, "SAVEPOINT \"");
+                       smart_str_append_unsigned(&cmd, ++obj->intern->savepoint);
+                       smart_str_appends(&cmd, "\"");
+                       smart_str_0(&cmd);
+
+                       res = PQexec(obj->intern->conn->intern->conn, cmd.c);
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to create %s (%s)", cmd.c, PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               php_pqres_success(res TSRMLS_CC);
+                               PHP_PQclear(res);
+                       }
+
+                       smart_str_free(&cmd);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_savepoint_async, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, savepointAsync) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (!obj->intern->open) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transaction already closed");
+               } else {
+                       smart_str cmd = {0};
+
+                       smart_str_appends(&cmd, "SAVEPOINT \"");
+                       smart_str_append_unsigned(&cmd, ++obj->intern->savepoint);
+                       smart_str_appends(&cmd, "\"");
+                       smart_str_0(&cmd);
+
+                       if (!PQsendQuery(obj->intern->conn->intern->conn, cmd.c)) {
+                               throw_exce(EX_IO TSRMLS_CC, "Failed to create %s (%s)", cmd.c, PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       }
+
+                       smart_str_free(&cmd);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_commit, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, commit) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transacation not initialized");
+               } else if (!obj->intern->open) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transacation already closed");
+               } else {
+                       PGresult *res;
+                       smart_str cmd = {0};
+
+                       if (!obj->intern->savepoint) {
+                               res = PQexec(obj->intern->conn->intern->conn, "COMMIT");
+                       } else {
+                               smart_str_appends(&cmd, "RELEASE SAVEPOINT \"");
+                               smart_str_append_unsigned(&cmd, obj->intern->savepoint--);
+                               smart_str_appends(&cmd, "\"");
+                               smart_str_0(&cmd);
+
+                               res = PQexec(obj->intern->conn->intern->conn, cmd.c);
+                       }
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to %s (%s)", cmd.c ? cmd.c : "commit transaction", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                                       if (!cmd.c) {
+                                               obj->intern->open = 0;
+                                       }
+                               }
+                               PHP_PQclear(res);
+                       }
+
+                       smart_str_free(&cmd);
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_commit_async, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, commitAsync) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (!obj->intern->open) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transaction already closed");
+               } else {
+                       int rc;
+                       smart_str cmd = {0};
+
+                       if (!obj->intern->savepoint) {
+                               rc = PQsendQuery(obj->intern->conn->intern->conn, "COMMIT");
+                       } else {
+                               smart_str_appends(&cmd, "RELEASE SAVEPOINT \"");
+                               smart_str_append_unsigned(&cmd, obj->intern->savepoint--);
+                               smart_str_appends(&cmd, "\"");
+                               smart_str_0(&cmd);
+
+                               rc = PQsendQuery(obj->intern->conn->intern->conn, cmd.c);
+                       }
+
+                       if (!rc) {
+                               throw_exce(EX_IO TSRMLS_CC, "Failed to %s (%s)", cmd.c ? cmd.c : "commmit transaction", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               if (!cmd.c) {
+                                       obj->intern->open = 0;
+                               }
+                               obj->intern->conn->intern->poller = PQconsumeInput;
+                               php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+                       }
+
+                       smart_str_free(&cmd);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_rollback, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, rollback) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (!obj->intern->open) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transaction already closed");
+               } else {
+                       PGresult *res;
+                       smart_str cmd = {0};
+
+                       if (!obj->intern->savepoint) {
+                               res = PQexec(obj->intern->conn->intern->conn, "ROLLBACK");
+                       } else {
+                               smart_str_appends(&cmd, "ROLLBACK TO SAVEPOINT \"");
+                               smart_str_append_unsigned(&cmd, obj->intern->savepoint--);
+                               smart_str_appends(&cmd, "\"");
+                               smart_str_0(&cmd);
+
+                               res = PQexec(obj->intern->conn->intern->conn, cmd.c);
+                       }
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to %s (%s)", cmd.c ? cmd.c : "rollback transaction", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                                       if (!cmd.c) {
+                                               obj->intern->open = 0;
+                                       }
+                               }
+                               PHP_PQclear(res);
+                       }
+
+                       smart_str_free(&cmd);
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_rollback_async, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, rollbackAsync) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (!obj->intern->open) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transaction already closed");
+               } else {
+                       int rc;
+                       smart_str cmd = {0};
+
+                       if (!obj->intern->savepoint) {
+                               rc = PQsendQuery(obj->intern->conn->intern->conn, "ROLLBACK");
+                       } else {
+                               smart_str_appends(&cmd, "ROLLBACK TO SAVEPOINT \"");
+                               smart_str_append_unsigned(&cmd, obj->intern->savepoint--);
+                               smart_str_appends(&cmd, "\"");
+                               smart_str_0(&cmd);
+
+                               rc = PQsendQuery(obj->intern->conn->intern->conn, cmd.c);
+                       }
+
+                       if (!rc) {
+                               throw_exce(EX_IO TSRMLS_CC, "Failed to %s (%s)", cmd.c ? cmd.c : "rollback transaction", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               if (!cmd.c) {
+                                       obj->intern->open = 0;
+                               }
+                               obj->intern->conn->intern->poller = PQconsumeInput;
+                       }
+
+                       smart_str_free(&cmd);
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_export_snapshot, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, exportSnapshot) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else {
+                       PGresult *res = PQexec(obj->intern->conn->intern->conn, "SELECT pg_export_snapshot()");
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to export transaction snapshot (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                                       RETVAL_STRING(PQgetvalue(res, 0, 0), 1);
+                               }
+
+                               PHP_PQclear(res);
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_export_snapshot_async, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, exportSnapshotAsync) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (!PQsendQuery(obj->intern->conn->intern->conn, "SELECT pg_export_snapshot()")) {
+                       throw_exce(EX_IO TSRMLS_CC, "Failed to export transaction snapshot (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+               } else {
+                       obj->intern->conn->intern->poller = PQconsumeInput;
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_import_snapshot, 0, 0, 1)
+       ZEND_ARG_INFO(0, snapshot_id)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, importSnapshot) {
+       zend_error_handling zeh;
+       char *snapshot_str;
+       int snapshot_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &snapshot_str, &snapshot_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (obj->intern->isolation < PHP_PQTXN_REPEATABLE_READ) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transaction must have at least isolation level REPEATABLE READ to be able to import a snapshot");
+               } else {
+                       char *sid = PQescapeLiteral(obj->intern->conn->intern->conn, snapshot_str, snapshot_len);
+
+                       if (!sid) {
+                               throw_exce(EX_ESCAPE TSRMLS_CC, "Failed to quote snapshot identifier (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               PGresult *res;
+                               smart_str cmd = {0};
+
+                               smart_str_appends(&cmd, "SET TRANSACTION SNAPSHOT ");
+                               smart_str_appends(&cmd, sid);
+                               smart_str_0(&cmd);
+
+                               res = PQexec(obj->intern->conn->intern->conn, cmd.c);
+
+                               if (!res) {
+                                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to import transaction snapshot (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                               } else {
+                                       php_pqres_success(res TSRMLS_CC);
+                                       PHP_PQclear(res);
+                               }
+
+                               smart_str_free(&cmd);
+                               php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_import_snapshot_async, 0, 0, 1)
+       ZEND_ARG_INFO(0, snapshot_id)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, importSnapshotAsync) {
+       zend_error_handling zeh;
+       char *snapshot_str;
+       int snapshot_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &snapshot_str, &snapshot_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (obj->intern->isolation < PHP_PQTXN_REPEATABLE_READ) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transaction must have at least isolation level REPEATABLE READ to be able to import a snapshot");
+               } else {
+                       char *sid = PQescapeLiteral(obj->intern->conn->intern->conn, snapshot_str, snapshot_len);
+
+                       if (!sid) {
+                               throw_exce(EX_ESCAPE TSRMLS_CC, "Failed to quote snapshot identifier (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               smart_str cmd = {0};
+
+                               smart_str_appends(&cmd, "SET TRANSACTION SNAPSHOT ");
+                               smart_str_appends(&cmd, sid);
+                               smart_str_0(&cmd);
+
+                               if (!PQsendQuery(obj->intern->conn->intern->conn, cmd.c)) {
+                                       throw_exce(EX_IO TSRMLS_CC, "Failed to %s (%s)", cmd.c, PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                               } else {
+                                       obj->intern->conn->intern->poller = PQconsumeInput;
+                               }
+
+                               smart_str_free(&cmd);
+                               php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+                       }
+               }
+       }
+}
+
+static const char *strmode(long mode)
+{
+       switch (mode & (INV_READ|INV_WRITE)) {
+       case INV_READ|INV_WRITE:
+               return "rw";
+       case INV_READ:
+               return "r";
+       case INV_WRITE:
+               return "w";
+       default:
+               return "-";
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_open_lob, 0, 0, 1)
+       ZEND_ARG_INFO(0, oid)
+       ZEND_ARG_INFO(0, mode)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, openLOB) {
+       zend_error_handling zeh;
+       long mode = INV_WRITE|INV_READ, loid;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &loid, &mode);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else {
+                       int lofd = lo_open(obj->intern->conn->intern->conn, loid, mode);
+
+                       if (lofd < 0) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to open large object with oid=%ld with mode '%s' (%s)", loid, strmode(mode), PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               php_pqlob_t *lob = ecalloc(1, sizeof(*lob));
+
+                               lob->lofd = lofd;
+                               lob->loid = loid;
+                               php_pq_object_addref(obj TSRMLS_CC);
+                               lob->txn = obj;
+
+                               return_value->type = IS_OBJECT;
+                               return_value->value.obj = php_pqlob_create_object_ex(php_pqlob_class_entry, lob, NULL TSRMLS_CC);
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_create_lob, 0, 0, 0)
+       ZEND_ARG_INFO(0, mode)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, createLOB) {
+       zend_error_handling zeh;
+       long mode = INV_WRITE|INV_READ;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &mode);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else {
+                       Oid loid = lo_creat(obj->intern->conn->intern->conn, mode);
+
+                       if (loid == InvalidOid) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to create large object with mode '%s' (%s)", strmode(mode), PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               int lofd = lo_open(obj->intern->conn->intern->conn, loid, mode);
+
+                               if (lofd < 0) {
+                                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to open large object with oid=%ld with mode '%s': %s", loid, strmode(mode), PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                               } else {
+                                       php_pqlob_t *lob = ecalloc(1, sizeof(*lob));
+
+                                       lob->lofd = lofd;
+                                       lob->loid = loid;
+                                       php_pq_object_addref(obj TSRMLS_CC);
+                                       lob->txn = obj;
+
+                                       return_value->type = IS_OBJECT;
+                                       return_value->value.obj = php_pqlob_create_object_ex(php_pqlob_class_entry, lob, NULL TSRMLS_CC);
+                               }
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqtxn_unlink_lob, 0, 0, 1)
+       ZEND_ARG_INFO(0, oid)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqtxn, unlinkLOB) {
+       zend_error_handling zeh;
+       long loid;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &loid);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else {
+                       int rc = lo_unlink(obj->intern->conn->intern->conn, loid);
+
+                       if (rc != 1) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to unlink LOB (oid=%ld): %s", loid, PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+static zend_function_entry php_pqtxn_methods[] = {
+       PHP_ME(pqtxn, __construct, ai_pqtxn_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       PHP_ME(pqtxn, commit, ai_pqtxn_commit, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, rollback, ai_pqtxn_rollback, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, commitAsync, ai_pqtxn_commit_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, rollbackAsync, ai_pqtxn_rollback_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, savepoint, ai_pqtxn_savepoint, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, savepointAsync, ai_pqtxn_savepoint_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, exportSnapshot, ai_pqtxn_export_snapshot, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, exportSnapshotAsync, ai_pqtxn_export_snapshot_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, importSnapshot, ai_pqtxn_import_snapshot, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, importSnapshotAsync, ai_pqtxn_import_snapshot_async, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, openLOB, ai_pqtxn_open_lob, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, createLOB, ai_pqtxn_create_lob, ZEND_ACC_PUBLIC)
+       PHP_ME(pqtxn, unlinkLOB, ai_pqtxn_unlink_lob, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqcancel_construct, 0, 0, 1)
+       ZEND_ARG_OBJ_INFO(0, connection, pq\\Connection, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqcancel, __construct) {
+       zend_error_handling zeh;
+       zval *zconn;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &zconn, php_pqconn_class_entry);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *conn_obj = zend_object_store_get_object(zconn TSRMLS_CC);
+
+               if (!conn_obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       PGcancel *cancel = PQgetCancel(conn_obj->intern->conn);
+
+                       if (!cancel) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to acquire cancel (%s)", PHP_PQerrorMessage(conn_obj->intern->conn));
+                       } else {
+                               php_pqcancel_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+                               obj->intern = ecalloc(1, sizeof(*obj->intern));
+                               obj->intern->cancel = cancel;
+                               php_pq_object_addref(conn_obj TSRMLS_CC);
+                               obj->intern->conn = conn_obj;
+                       }
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqcancel_cancel, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqcancel, cancel) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqcancel_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Cancel not initialized");
+               } else {
+                       char err[256] = {0};
+
+                       if (!PQcancel(obj->intern->cancel, err, sizeof(err))) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to request cancellation (%s)", err);
+                       }
+               }
+       }
+}
+
+static zend_function_entry php_pqcancel_methods[] = {
+       PHP_ME(pqcancel, __construct, ai_pqcancel_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       PHP_ME(pqcancel, cancel, ai_pqcancel_cancel, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqevent_construct, 0, 0, 3)
+       ZEND_ARG_OBJ_INFO(0, connection, pq\\Connection, 0)
+       ZEND_ARG_INFO(0, type)
+       ZEND_ARG_INFO(0, callable)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqevent, __construct) {
+       zend_error_handling zeh;
+       zval *zconn;
+       char *type_str;
+       int type_len;
+       php_pq_callback_t cb;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Osf", &zconn, php_pqconn_class_entry, &type_str, &type_len, &cb.fci, &cb.fcc);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *conn_obj = zend_object_store_get_object(zconn TSRMLS_CC);
+
+               if (!conn_obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       php_pqevent_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+                       obj->intern = ecalloc(1, sizeof(*obj->intern));
+                       php_pq_callback_addref(&cb);
+                       obj->intern->cb = cb;
+                       obj->intern->type = estrdup(type_str);
+                       obj->intern->h = php_pqconn_add_eventhandler(conn_obj, type_str, type_len, getThis() TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqevent_trigger, 0, 0, 1)
+       ZEND_ARG_ARRAY_INFO(0, args, 1)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqevent, trigger) {
+       zend_error_handling zeh;
+       zval *args;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a/", &args);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqevent_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Event not initialized");
+               } else {
+                       zval *rv = NULL;
+
+                       if (SUCCESS != zend_fcall_info_call(&obj->intern->cb.fci, &obj->intern->cb.fcc, &rv, args TSRMLS_CC)) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to trigger event");
+                       } else {
+                               if (rv) {
+                                       RETVAL_ZVAL(rv, 0, 1);
+                               } else {
+                                       RETVAL_TRUE;
+                               }
+                       }
+               }
+       }
+}
+
+static zend_function_entry php_pqevent_methods[] = {
+       PHP_ME(pqevent, __construct, ai_pqevent_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       PHP_ME(pqevent, trigger, ai_pqevent_trigger, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_construct, 0, 0, 1)
+       ZEND_ARG_OBJ_INFO(0, transaction, pq\\Transaction, 0)
+       ZEND_ARG_INFO(0, oid)
+       ZEND_ARG_INFO(0, mode)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, __construct) {
+       zend_error_handling zeh;
+       zval *ztxn;
+       long mode = INV_WRITE|INV_READ, loid = InvalidOid;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|ll", &ztxn, php_pqtxn_class_entry, &loid, &mode);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqtxn_object_t *txn_obj = zend_object_store_get_object(ztxn TSRMLS_CC);
+
+               if (!txn_obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+               } else if (!txn_obj->intern->open) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transation already closed");
+               } else {
+                       if (loid == InvalidOid) {
+                               loid = lo_creat(txn_obj->intern->conn->intern->conn, mode);
+                       }
+
+                       if (loid == InvalidOid) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to create large object with mode '%s' (%s)", strmode(mode), PHP_PQerrorMessage(txn_obj->intern->conn->intern->conn));
+                       } else {
+                               int lofd = lo_open(txn_obj->intern->conn->intern->conn, loid, mode);
+
+                               if (lofd < 0) {
+                                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to open large object with oid=%ld with mode '%s' (%s)", loid, strmode(mode), PHP_PQerrorMessage(txn_obj->intern->conn->intern->conn));
+                               } else {
+                                       php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+                                       obj->intern = ecalloc(1, sizeof(*obj->intern));
+                                       obj->intern->lofd = lofd;
+                                       obj->intern->loid = loid;
+                                       php_pq_object_addref(txn_obj TSRMLS_CC);
+                                       obj->intern->txn = txn_obj;
+                               }
+                       }
+
+                       php_pqconn_notify_listeners(txn_obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_write, 0, 0, 1)
+       ZEND_ARG_INFO(0, data)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, write) {
+       zend_error_handling zeh;
+       char *data_str;
+       int data_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &data_str, &data_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+               } else {
+                       int written = lo_write(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, data_str, data_len);
+
+                       if (written < 0) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to write to LOB with oid=%ld (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+                       } else {
+                               RETVAL_LONG(written);
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_read, 0, 0, 0)
+       ZEND_ARG_INFO(0, length)
+       ZEND_ARG_INFO(1, read)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, read) {
+       zend_error_handling zeh;
+       long length = 0x1000;
+       zval *zread = NULL;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lz!", &length, &zread);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+               } else {
+                       char *buffer = emalloc(length + 1);
+                       int read = lo_read(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, buffer, length);
+
+                       if (read < 0) {
+                               efree(buffer);
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to read from LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+                       } else {
+                               if (zread) {
+                                       zval_dtor(zread);
+                                       ZVAL_LONG(zread, read);
+                               }
+                               buffer[read] = '\0';
+                               RETVAL_STRINGL(buffer, read, 0);
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_seek, 0, 0, 1)
+       ZEND_ARG_INFO(0, offset)
+       ZEND_ARG_INFO(0, whence)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, seek) {
+       zend_error_handling zeh;
+       long offset, whence = SEEK_SET;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &offset, &whence);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+               } else {
+                       int position = lo_lseek(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, offset, whence);
+
+                       if (position < 0) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to seek offset in LOB with oid=%d (%s)", obj->intern->loid,    PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+                       } else {
+                               RETVAL_LONG(position);
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_tell, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, tell) {
+       zend_error_handling zeh;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters_none();
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+               } else {
+                       int position = lo_tell(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd);
+
+                       if (position < 0) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to tell offset in LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+                       } else {
+                               RETVAL_LONG(position);
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_truncate, 0, 0, 0)
+       ZEND_ARG_INFO(0, length)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, truncate) {
+       zend_error_handling zeh;
+       long length = 0;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &length);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+               } else {
+                       int rc = lo_truncate(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, length);
+
+                       if (rc != 0) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to truncate LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+static zend_function_entry php_pqlob_methods[] = {
+       PHP_ME(pqlob, __construct, ai_pqlob_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       PHP_ME(pqlob, write, ai_pqlob_write, ZEND_ACC_PUBLIC)
+       PHP_ME(pqlob, read, ai_pqlob_read, ZEND_ACC_PUBLIC)
+       PHP_ME(pqlob, seek, ai_pqlob_seek, ZEND_ACC_PUBLIC)
+       PHP_ME(pqlob, tell, ai_pqlob_tell, ZEND_ACC_PUBLIC)
+       PHP_ME(pqlob, truncate, ai_pqlob_truncate, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqcopy_construct, 0, 0, 3)
+       ZEND_ARG_OBJ_INFO(0, "connection", pq\\Connection, 0)
+       ZEND_ARG_INFO(0, expression)
+       ZEND_ARG_INFO(0, direction)
+       ZEND_ARG_INFO(0, options)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqcopy, __construct) {
+       zend_error_handling zeh;
+       zval *zconn;
+       char *expr_str, *opt_str = "";
+       int expr_len, opt_len = 0;
+       long direction;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Osl|s", &zconn, php_pqconn_class_entry, &expr_str, &expr_len, &direction, &opt_str, &opt_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqconn_object_t *conn_obj = zend_object_store_get_object(zconn TSRMLS_CC);
+
+               if (!conn_obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
+               } else {
+                       php_pqcopy_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+                       smart_str cmd = {0};
+                       PGresult *res;
+
+                       smart_str_appends(&cmd, "COPY ");
+                       smart_str_appendl(&cmd, expr_str, expr_len);
+
+                       switch (direction) {
+                       case PHP_PQCOPY_FROM_STDIN:
+                               smart_str_appends(&cmd, " FROM STDIN ");
+                               break;
+                       case PHP_PQCOPY_TO_STDOUT:
+                               smart_str_appends(&cmd, " TO STDOUT ");
+                               break;
+                       default:
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Invalid COPY direction, expected one of FROM_STDIN (%d) TO_STDOUT (%d), got %ld", PHP_PQCOPY_FROM_STDIN, PHP_PQCOPY_TO_STDOUT, direction);
+                               smart_str_free(&cmd);
+                               return;
+                       }
+                       smart_str_appendl(&cmd, opt_str, opt_len);
+                       smart_str_0(&cmd);
+
+                       res = PQexec(conn_obj->intern->conn, cmd.c);
+
+                       if (!res) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to start %s (%s)", cmd.c, PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
+                                       obj->intern = ecalloc(1, sizeof(*obj->intern));
+                                       obj->intern->direction = direction;
+                                       obj->intern->expression = estrdup(expr_str);
+                                       obj->intern->options = estrdup(opt_str);
+                                       obj->intern->conn = conn_obj;
+                                       php_pq_object_addref(conn_obj TSRMLS_CC);
+                               }
+
+                               PHP_PQclear(res);
+                       }
+
+                       smart_str_free(&cmd);
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqcopy_put, 0, 0, 1)
+       ZEND_ARG_INFO(0, data)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqcopy, put) {
+       zend_error_handling zeh;
+       char *data_str;
+       int data_len;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &data_str, &data_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqcopy_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\COPY not initialized");
+               } else if (obj->intern->direction != PHP_PQCOPY_FROM_STDIN) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\COPY was not initialized with FROM_STDIN");
+               } else {
+                       if (1 != PQputCopyData(obj->intern->conn->intern->conn, data_str, data_len)) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to put COPY data (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       }
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqcopy_end, 0, 0, 0)
+       ZEND_ARG_INFO(0, error)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqcopy, end) {
+       zend_error_handling zeh;
+       char *error_str = NULL;
+       int error_len = 0;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!", &error_str, &error_len);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqcopy_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\COPY not intitialized");
+               } else if (obj->intern->direction != PHP_PQCOPY_FROM_STDIN) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\COPY was not intitialized with FROM_STDIN");
+               } else {
+                       if (1 != PQputCopyEnd(obj->intern->conn->intern->conn, error_str)) {
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to end COPY (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                       } else {
+                               PGresult *res = PQgetResult(obj->intern->conn->intern->conn);
+
+                               if (!res) {
+                                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to fetch COPY result (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                               } else {
+                                       php_pqres_success(res TSRMLS_CC);
+                                       PHP_PQclear(res);
+                               }
+                       }
+
+                       php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
+               }
+       }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqcopy_get, 0, 0, 1)
+       ZEND_ARG_INFO(1, data)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqcopy, get) {
+       zend_error_handling zeh;
+       zval *zdata;
+       STATUS rv;
+
+       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zdata);
+       zend_restore_error_handling(&zeh TSRMLS_CC);
+
+       if (SUCCESS == rv) {
+               php_pqcopy_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+               if (!obj->intern) {
+                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\COPY not initialized");
+               } else if (obj->intern->direction != PHP_PQCOPY_TO_STDOUT) {
+                       throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\COPY was not intialized with TO_STDOUT");
+               } else {
+                       PGresult *res;
+                       char *buffer = NULL;
+                       int bytes = PQgetCopyData(obj->intern->conn->intern->conn, &buffer, 0);
+
+                       switch (bytes) {
+                       case -2:
+                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to fetch COPY data (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                               break;
+
+                       case -1:
+                               res = PQgetResult(obj->intern->conn->intern->conn);
+
+                               if (!res) {
+                                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to fetch COPY result (%s)", PHP_PQerrorMessage(obj->intern->conn->intern->conn));
+                               } else {
+                                       php_pqres_success(res TSRMLS_CC);
+                                       PHP_PQclear(res);
+                                       RETVAL_FALSE;
+                               }
+                               break;
+
+                       default:
+                               zval_dtor(zdata);
+                               if (buffer) {
+                                       ZVAL_STRINGL(zdata, buffer, bytes, 1);
+                               } else {
+                                       ZVAL_EMPTY_STRING(zdata);
+                               }
+                               RETVAL_TRUE;
+                               break;
+                       }
+
+                       if (buffer) {
+                               PQfreemem(buffer);
+                       }
+               }
+       }
+}
+
+static zend_function_entry php_pqcopy_methods[] = {
+       PHP_ME(pqcopy, __construct, ai_pqcopy_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+       PHP_ME(pqcopy, put, ai_pqcopy_put, ZEND_ACC_PUBLIC)
+       PHP_ME(pqcopy, end, ai_pqcopy_end, ZEND_ACC_PUBLIC)
+       PHP_ME(pqcopy, get, ai_pqcopy_get, ZEND_ACC_PUBLIC)
+       {0}
+};
+
+static zend_function_entry php_pqexc_methods[] = {
+       {0}
+};
+
+/* {{{ PHP_MINIT_FUNCTION
+ */
+static PHP_MINIT_FUNCTION(pq)
+{
+       zend_class_entry ce = {0};
+       php_pq_object_prophandler_t ph = {0};
+
+       INIT_NS_CLASS_ENTRY(ce, "pq", "Exception", php_pqexc_methods);
+       php_pqexc_interface_class_entry = zend_register_internal_interface(&ce TSRMLS_CC);
+
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("INVALID_ARGUMENT"), EX_INVALID_ARGUMENT TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("RUNTIME"), EX_RUNTIME TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("CONNECTION_FAILED"), EX_CONNECTION_FAILED TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("IO"), EX_IO TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("ESCAPE"), EX_ESCAPE TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("BAD_METHODCALL"), EX_BAD_METHODCALL TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("UNINITIALIZED"), EX_UNINITIALIZED TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("DOMAIN"), EX_DOMAIN TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqexc_interface_class_entry, ZEND_STRL("SQL"), EX_SQL TSRMLS_CC);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq\\Exception", "InvalidArgumentException", php_pqexc_methods);
+       php_pqexc_invalid_argument_class_entry = zend_register_internal_class_ex(&ce, spl_ce_InvalidArgumentException, "InvalidArgumentException" TSRMLS_CC);
+       zend_class_implements(php_pqexc_invalid_argument_class_entry TSRMLS_CC, 1, php_pqexc_interface_class_entry);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq\\Exception", "RuntimeException", php_pqexc_methods);
+       php_pqexc_runtime_class_entry = zend_register_internal_class_ex(&ce, spl_ce_RuntimeException, "RuntimeException" TSRMLS_CC);
+       zend_class_implements(php_pqexc_runtime_class_entry TSRMLS_CC, 1, php_pqexc_interface_class_entry);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq\\Exception", "BadMethodCallException", php_pqexc_methods);
+       php_pqexc_bad_methodcall_class_entry = zend_register_internal_class_ex(&ce, spl_ce_BadMethodCallException, "BadMethodCallException" TSRMLS_CC);
+       zend_class_implements(php_pqexc_bad_methodcall_class_entry TSRMLS_CC, 1, php_pqexc_interface_class_entry);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq\\Exception", "DomainException", php_pqexc_methods);
+       php_pqexc_domain_class_entry = zend_register_internal_class_ex(&ce, spl_ce_DomainException, "DomainException" TSRMLS_CC);
+       zend_class_implements(php_pqexc_domain_class_entry TSRMLS_CC, 1, php_pqexc_interface_class_entry);
+       zend_declare_property_null(php_pqexc_domain_class_entry, ZEND_STRL("sqlstate"), ZEND_ACC_PUBLIC TSRMLS_CC);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "Connection", php_pqconn_methods);
+       php_pqconn_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqconn_class_entry->create_object = php_pqconn_create_object;
+
+       memcpy(&php_pqconn_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqconn_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqconn_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqconn_object_handlers.clone_obj = NULL;
+       php_pqconn_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqconn_object_handlers.get_debug_info = php_pq_object_debug_info;
+
+       zend_hash_init(&php_pqconn_object_prophandlers, 14, NULL, NULL, 1);
+
+       zend_declare_property_long(php_pqconn_class_entry, ZEND_STRL("status"), CONNECTION_BAD, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_status;
+       zend_hash_add(&php_pqconn_object_prophandlers, "status", sizeof("status"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_long(php_pqconn_class_entry, ZEND_STRL("transactionStatus"), PQTRANS_UNKNOWN, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_transaction_status;
+       zend_hash_add(&php_pqconn_object_prophandlers, "transactionStatus", sizeof("transactionStatus"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("socket"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = NULL; /* forward to std prophandler */
+       zend_hash_add(&php_pqconn_object_prophandlers, "socket", sizeof("socket"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("errorMessage"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_error_message;
+       zend_hash_add(&php_pqconn_object_prophandlers, "errorMessage", sizeof("errorMessage"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_bool(php_pqconn_class_entry, ZEND_STRL("busy"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_busy;
+       zend_hash_add(&php_pqconn_object_prophandlers, "busy", sizeof("busy"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("encoding"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_encoding;
+       ph.write = php_pqconn_object_write_encoding;
+       zend_hash_add(&php_pqconn_object_prophandlers, "encoding", sizeof("encoding"), (void *) &ph, sizeof(ph), NULL);
+       ph.write = NULL;
+
+       zend_declare_property_bool(php_pqconn_class_entry, ZEND_STRL("unbuffered"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_unbuffered;
+       ph.write = php_pqconn_object_write_unbuffered;
+       zend_hash_add(&php_pqconn_object_prophandlers, "unbuffered", sizeof("unbuffered"), (void *) &ph, sizeof(ph), NULL);
+       ph.write = NULL;
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("db"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_db;
+       zend_hash_add(&php_pqconn_object_prophandlers, "db", sizeof("db"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("user"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_user;
+       zend_hash_add(&php_pqconn_object_prophandlers, "user", sizeof("user"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("pass"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_pass;
+       zend_hash_add(&php_pqconn_object_prophandlers, "pass", sizeof("pass"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("host"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_host;
+       zend_hash_add(&php_pqconn_object_prophandlers, "host", sizeof("host"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("port"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_port;
+       zend_hash_add(&php_pqconn_object_prophandlers, "port", sizeof("port"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("options"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_options;
+       zend_hash_add(&php_pqconn_object_prophandlers, "options", sizeof("options"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqconn_class_entry, ZEND_STRL("eventHandlers"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqconn_object_read_event_handlers;
+       zend_hash_add(&php_pqconn_object_prophandlers, "eventHandlers", sizeof("eventHandlers"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("OK"), CONNECTION_OK TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("BAD"), CONNECTION_BAD TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("STARTED"), CONNECTION_STARTED TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("MADE"), CONNECTION_MADE TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("AWAITING_RESPONSE"), CONNECTION_AWAITING_RESPONSE TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("AUTH_OK"), CONNECTION_AUTH_OK TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("SSL_STARTUP"), CONNECTION_SSL_STARTUP TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("SETENV"), CONNECTION_SETENV TSRMLS_CC);
+
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("TRANS_IDLE"), PQTRANS_IDLE TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("TRANS_ACTIVE"), PQTRANS_ACTIVE TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("TRANS_INTRANS"), PQTRANS_INTRANS TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("TRANS_INERROR"), PQTRANS_INERROR TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("TRANS_UNKNOWN"), PQTRANS_UNKNOWN TSRMLS_CC);
+
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("POLLING_FAILED"), PGRES_POLLING_FAILED TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("POLLING_READING"), PGRES_POLLING_READING TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("POLLING_WRITING"), PGRES_POLLING_WRITING TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("POLLING_OK"), PGRES_POLLING_OK TSRMLS_CC);
+
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("ASYNC"), 0x1 TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqconn_class_entry, ZEND_STRL("PERSISTENT"), 0x2 TSRMLS_CC);
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "Types", php_pqtypes_methods);
+       php_pqtypes_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqtypes_class_entry->create_object = php_pqtypes_create_object;
+
+       memcpy(&php_pqtypes_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqtypes_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqtypes_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqtypes_object_handlers.clone_obj = NULL;
+       php_pqtypes_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqtypes_object_handlers.get_debug_info = php_pq_object_debug_info;
+       php_pqtypes_object_handlers.has_dimension = php_pqtypes_object_has_dimension;
+       php_pqtypes_object_handlers.read_dimension = php_pqtypes_object_read_dimension;
+       php_pqtypes_object_handlers.unset_dimension = NULL;
+       php_pqtypes_object_handlers.write_dimension = NULL;
+
+       zend_hash_init(&php_pqtypes_object_prophandlers, 1, NULL, NULL, 1);
+
+       zend_declare_property_null(php_pqtypes_class_entry, ZEND_STRL("connection"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqtypes_object_read_connection;
+       zend_hash_add(&php_pqtypes_object_prophandlers, "connection", sizeof("connection"), (void *) &ph, sizeof(ph), NULL);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "Result", php_pqres_methods);
+       php_pqres_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqres_class_entry->create_object = php_pqres_create_object;
+       php_pqres_class_entry->iterator_funcs.funcs = &php_pqres_iterator_funcs;
+       php_pqres_class_entry->get_iterator = php_pqres_iterator_init;
+       zend_class_implements(php_pqres_class_entry TSRMLS_CC, 2, zend_ce_traversable, spl_ce_Countable);
+
+       memcpy(&php_pqres_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqres_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqres_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqres_object_handlers.clone_obj = NULL;
+       php_pqres_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqres_object_handlers.get_debug_info = php_pq_object_debug_info;
+       php_pqres_object_handlers.count_elements = php_pqres_count_elements;
+
+       zend_hash_init(&php_pqres_object_prophandlers, 6, NULL, NULL, 1);
+
+       zend_declare_property_null(php_pqres_class_entry, ZEND_STRL("status"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqres_object_read_status;
+       zend_hash_add(&php_pqres_object_prophandlers, "status", sizeof("status"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqres_class_entry, ZEND_STRL("statusMessage"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqres_object_read_status_message;
+       zend_hash_add(&php_pqres_object_prophandlers, "statusMessage", sizeof("statusMessage"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqres_class_entry, ZEND_STRL("errorMessage"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqres_object_read_error_message;
+       zend_hash_add(&php_pqres_object_prophandlers, "errorMessage", sizeof("errorMessage"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_long(php_pqres_class_entry, ZEND_STRL("numRows"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqres_object_read_num_rows;
+       zend_hash_add(&php_pqres_object_prophandlers, "numRows", sizeof("numRows"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_long(php_pqres_class_entry, ZEND_STRL("numCols"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqres_object_read_num_cols;
+       zend_hash_add(&php_pqres_object_prophandlers, "numCols", sizeof("numCols"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_long(php_pqres_class_entry, ZEND_STRL("affectedRows"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqres_object_read_affected_rows;
+       zend_hash_add(&php_pqres_object_prophandlers, "affectedRows", sizeof("affectedRows"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_long(php_pqres_class_entry, ZEND_STRL("fetchType"), PHP_PQRES_FETCH_ARRAY, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqres_object_read_fetch_type;
+       ph.write = php_pqres_object_write_fetch_type;
+       zend_hash_add(&php_pqres_object_prophandlers, "fetchType", sizeof("fetchType"), (void *) &ph, sizeof(ph), NULL);
+       ph.write = NULL;
+
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("EMPTY_QUERY"), PGRES_EMPTY_QUERY TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("COMMAND_OK"), PGRES_COMMAND_OK TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("TUPLES_OK"), PGRES_TUPLES_OK TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("COPY_OUT"), PGRES_COPY_OUT TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("COPY_IN"), PGRES_COPY_IN TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("BAD_RESPONSE"), PGRES_BAD_RESPONSE TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("NONFATAL_ERROR"), PGRES_NONFATAL_ERROR TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("FATAL_ERROR"), PGRES_FATAL_ERROR TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("COPY_BOTH"), PGRES_COPY_BOTH TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("SINGLE_TUPLE"), PGRES_SINGLE_TUPLE TSRMLS_CC);
+
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("FETCH_ARRAY"), PHP_PQRES_FETCH_ARRAY TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("FETCH_ASSOC"), PHP_PQRES_FETCH_ASSOC TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqres_class_entry, ZEND_STRL("FETCH_OBJECT"), PHP_PQRES_FETCH_OBJECT TSRMLS_CC);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "Statement", php_pqstm_methods);
+       php_pqstm_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqstm_class_entry->create_object = php_pqstm_create_object;
+
+       memcpy(&php_pqstm_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqstm_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqstm_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqstm_object_handlers.clone_obj = NULL;
+       php_pqstm_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqstm_object_handlers.get_debug_info = php_pq_object_debug_info;
+
+       zend_hash_init(&php_pqstm_object_prophandlers, 2, NULL, NULL, 1);
+
+       zend_declare_property_null(php_pqstm_class_entry, ZEND_STRL("name"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqstm_object_read_name;
+       zend_hash_add(&php_pqstm_object_prophandlers, "name", sizeof("name"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqstm_class_entry, ZEND_STRL("connection"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqstm_object_read_connection;
+       zend_hash_add(&php_pqstm_object_prophandlers, "connection", sizeof("connection"), (void *) &ph, sizeof(ph), NULL);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "Transaction", php_pqtxn_methods);
+       php_pqtxn_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqtxn_class_entry->create_object = php_pqtxn_create_object;
+
+       memcpy(&php_pqtxn_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqtxn_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqtxn_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqtxn_object_handlers.clone_obj = NULL;
+       php_pqtxn_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqtxn_object_handlers.get_debug_info = php_pq_object_debug_info;
+
+       zend_hash_init(&php_pqtxn_object_prophandlers, 4, NULL, NULL, 1);
+
+       zend_declare_property_null(php_pqtxn_class_entry, ZEND_STRL("connection"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqtxn_object_read_connection;
+       zend_hash_add(&php_pqtxn_object_prophandlers, "connection", sizeof("connection"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqtxn_class_entry, ZEND_STRL("isolation"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqtxn_object_read_isolation;
+       ph.write = php_pqtxn_object_write_isolation;
+       zend_hash_add(&php_pqtxn_object_prophandlers, "isolation", sizeof("isolation"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_bool(php_pqtxn_class_entry, ZEND_STRL("readonly"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqtxn_object_read_readonly;
+       ph.write = php_pqtxn_object_write_readonly;
+       zend_hash_add(&php_pqtxn_object_prophandlers, "readonly", sizeof("readonly"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_bool(php_pqtxn_class_entry, ZEND_STRL("deferrable"), 0, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqtxn_object_read_deferrable;
+       ph.write = php_pqtxn_object_write_deferrable;
+       zend_hash_add(&php_pqtxn_object_prophandlers, "deferrable", sizeof("deferrable"), (void *) &ph, sizeof(ph), NULL);
+       ph.write = NULL;
+
+       zend_declare_class_constant_long(php_pqtxn_class_entry, ZEND_STRL("READ_COMMITTED"), PHP_PQTXN_READ_COMMITTED TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqtxn_class_entry, ZEND_STRL("REPEATABLE_READ"), PHP_PQTXN_REPEATABLE_READ TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqtxn_class_entry, ZEND_STRL("SERIALIZABLE"), PHP_PQTXN_SERIALIZABLE TSRMLS_CC);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "Cancel", php_pqcancel_methods);
+       php_pqcancel_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqcancel_class_entry->create_object = php_pqcancel_create_object;
+
+       memcpy(&php_pqcancel_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqcancel_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqcancel_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqcancel_object_handlers.clone_obj = NULL;
+       php_pqcancel_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqcancel_object_handlers.get_debug_info = php_pq_object_debug_info;
+
+       zend_hash_init(&php_pqcancel_object_prophandlers, 1, NULL, NULL, 1);
+
+       zend_declare_property_null(php_pqcancel_class_entry, ZEND_STRL("connection"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqcancel_object_read_connection;
+       zend_hash_add(&php_pqcancel_object_prophandlers, "connection", sizeof("connection"), (void *) &ph, sizeof(ph), NULL);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "Event", php_pqevent_methods);
+       php_pqevent_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqevent_class_entry->create_object = php_pqevent_create_object;
+
+       memcpy(&php_pqevent_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqevent_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqevent_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqevent_object_handlers.clone_obj = NULL;
+       php_pqevent_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqevent_object_handlers.get_debug_info = php_pq_object_debug_info;
+
+       zend_hash_init(&php_pqevent_object_prophandlers, 1, NULL, NULL, 1);
+
+       zend_declare_property_null(php_pqevent_class_entry, ZEND_STRL("type"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqevent_object_read_type;
+       zend_hash_add(&php_pqevent_object_prophandlers, "type", sizeof("type"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_class_constant_stringl(php_pqevent_class_entry, ZEND_STRL("NOTICE"), ZEND_STRL("notice") TSRMLS_CC);
+       zend_declare_class_constant_stringl(php_pqevent_class_entry, ZEND_STRL("RESULT"), ZEND_STRL("result") TSRMLS_CC);
+       zend_declare_class_constant_stringl(php_pqevent_class_entry, ZEND_STRL("RESET"), ZEND_STRL("reset") TSRMLS_CC);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "LOB", php_pqlob_methods);
+       php_pqlob_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqlob_class_entry->create_object = php_pqlob_create_object;
+
+       memcpy(&php_pqlob_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqlob_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqlob_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqlob_object_handlers.clone_obj = NULL;
+       php_pqlob_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqlob_object_handlers.get_debug_info = php_pq_object_debug_info;
+
+       zend_hash_init(&php_pqlob_object_prophandlers, 2, NULL, NULL, 1);
+
+       zend_declare_property_null(php_pqlob_class_entry, ZEND_STRL("transaction"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqlob_object_read_transaction;
+       zend_hash_add(&php_pqlob_object_prophandlers, "transaction", sizeof("transaction"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_long(php_pqlob_class_entry, ZEND_STRL("oid"), InvalidOid, ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqlob_object_read_oid;
+       zend_hash_add(&php_pqlob_object_prophandlers, "oid", sizeof("oid"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_class_constant_long(php_pqlob_class_entry, ZEND_STRL("INVALID_OID"), InvalidOid TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqlob_class_entry, ZEND_STRL("R"), INV_READ TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqlob_class_entry, ZEND_STRL("W"), INV_WRITE TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqlob_class_entry, ZEND_STRL("RW"), INV_READ|INV_WRITE TSRMLS_CC);
+
+       memset(&ce, 0, sizeof(ce));
+       INIT_NS_CLASS_ENTRY(ce, "pq", "COPY", php_pqcopy_methods);
+       php_pqcopy_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+       php_pqcopy_class_entry->create_object = php_pqcopy_create_object;
+
+       memcpy(&php_pqcopy_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       php_pqcopy_object_handlers.read_property = php_pq_object_read_prop;
+       php_pqcopy_object_handlers.write_property = php_pq_object_write_prop;
+       php_pqcopy_object_handlers.clone_obj = NULL;
+       php_pqcopy_object_handlers.get_property_ptr_ptr = NULL;
+       php_pqcopy_object_handlers.get_debug_info = php_pq_object_debug_info;
+
+       zend_hash_init(&php_pqcopy_object_prophandlers, 4, NULL, NULL, 1);
+
+       zend_declare_property_null(php_pqcopy_class_entry, ZEND_STRL("connection"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqcopy_object_read_connection;
+       zend_hash_add(&php_pqcopy_object_prophandlers, "connection", sizeof("connection"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqcopy_class_entry, ZEND_STRL("expression"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqcopy_object_read_expression;
+       zend_hash_add(&php_pqcopy_object_prophandlers, "expression", sizeof("expression"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqcopy_class_entry, ZEND_STRL("direction"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqcopy_object_read_direction;
+       zend_hash_add(&php_pqcopy_object_prophandlers, "direction", sizeof("direction"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_property_null(php_pqcopy_class_entry, ZEND_STRL("options"), ZEND_ACC_PUBLIC TSRMLS_CC);
+       ph.read = php_pqcopy_object_read_options;
+       zend_hash_add(&php_pqcopy_object_prophandlers, "options", sizeof("options"), (void *) &ph, sizeof(ph), NULL);
+
+       zend_declare_class_constant_long(php_pqcopy_class_entry, ZEND_STRL("FROM_STDIN"), PHP_PQCOPY_FROM_STDIN TSRMLS_CC);
+       zend_declare_class_constant_long(php_pqcopy_class_entry, ZEND_STRL("TO_STDOUT"), PHP_PQCOPY_TO_STDOUT TSRMLS_CC);
+
+       php_persistent_handle_provide(ZEND_STRL("pq\\Connection"), &php_pqconn_resource_factory_ops, NULL, NULL TSRMLS_CC);
+
+       /*
+       REGISTER_INI_ENTRIES();
+       */
+       return SUCCESS;
+}
+/* }}} */
+
+/* {{{ PHP_MSHUTDOWN_FUNCTION
+ */
+static PHP_MSHUTDOWN_FUNCTION(pq)
+{
+       /* uncomment this line if you have INI entries
+       UNREGISTER_INI_ENTRIES();
+       */
+       php_persistent_handle_cleanup(ZEND_STRL("pq\\Connection"), NULL, 0 TSRMLS_CC);
+       return SUCCESS;
+}
+/* }}} */
+
+/* {{{ PHP_MINFO_FUNCTION
+ */
+static PHP_MINFO_FUNCTION(pq)
+{
+#ifdef HAVE_PQLIBVERSION
+       int libpq_v;
+#endif
+       char libpq_version[10] = "pre-9.1";
+
+       php_info_print_table_start();
+       php_info_print_table_header(2, "PQ Support", "enabled");
+       php_info_print_table_row(2, "Extension Version", PHP_PQ_EXT_VERSION);
+       php_info_print_table_end();
+
+       php_info_print_table_start();
+       php_info_print_table_header(2, "Used Library", "Version");
+#ifdef HAVE_PQLIBVERSION
+       libpq_v = PQlibVersion();
+       slprintf(libpq_version, sizeof(libpq_version), "%d.%d.%d", libpq_v/10000%100, libpq_v/100%100, libpq_v%100);
+#endif
+       php_info_print_table_row(2, "libpq", libpq_version);
+       php_info_print_table_end();
+
+       /* Remove comments if you have entries in php.ini
+       DISPLAY_INI_ENTRIES();
+       */
+}
+/* }}} */
+
+const zend_function_entry pq_functions[] = {
+       {0}
+};
+
+static zend_module_dep pq_module_deps[] = {
+       ZEND_MOD_REQUIRED("raphf")
+       ZEND_MOD_REQUIRED("spl")
+       ZEND_MOD_END
+};
+
+/* {{{ pq_module_entry
+ */
+zend_module_entry pq_module_entry = {
+       STANDARD_MODULE_HEADER_EX,
+       NULL,
+       pq_module_deps,
+       "pq",
+       pq_functions,
+       PHP_MINIT(pq),
+       PHP_MSHUTDOWN(pq),
+       NULL,/*PHP_RINIT(pq),*/
+       NULL,/*PHP_RSHUTDOWN(pq),*/
+       PHP_MINFO(pq),
+       PHP_PQ_EXT_VERSION,
+       STANDARD_MODULE_PROPERTIES
+};
+/* }}} */
+
+#ifdef COMPILE_DL_PQ
+ZEND_GET_MODULE(pq)
+#endif
+
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */
deleted file mode 120000 (symlink)
index 6b88c69688cd5e3f8c33099a69d6176a043bf749..0000000000000000000000000000000000000000
--- a/php_pq.h
+++ /dev/null
@@ -1 +0,0 @@
-src/php_pq.h
\ No newline at end of file
new file mode 100644 (file)
index 0000000000000000000000000000000000000000..fc67bf0d132ecaf31c817327b825b6805afdcaf2
--- /dev/null
+++ b/php_pq.h
@@ -0,0 +1,58 @@
+/*
+    +--------------------------------------------------------------------+
+    | PECL :: pq                                                         |
+    +--------------------------------------------------------------------+
+    | Redistribution and use in source and binary forms, with or without |
+    | modification, are permitted provided that the conditions mentioned |
+    | in the accompanying LICENSE file are met.                          |
+    +--------------------------------------------------------------------+
+    | Copyright (c) 2013, Michael Wallner <mike@php.net>                |
+    +--------------------------------------------------------------------+
+*/
+
+
+#ifndef PHP_PQ_H
+#define PHP_PQ_H
+
+#define PHP_PQ_EXT_VERSION "1.0.0dev"
+
+int pq_module_number;
+zend_module_entry pq_module_entry;
+#define phpext_pq_ptr &pq_module_entry
+
+#ifdef PHP_WIN32
+#      define PHP_PQ_API __declspec(dllexport)
+#elif defined(__GNUC__) && __GNUC__ >= 4
+#      define PHP_PQ_API __attribute__ ((visibility("default")))
+#else
+#      define PHP_PQ_API
+#endif
+
+#ifdef ZTS
+#      include "TSRM.h"
+#endif
+
+/* 
+ZEND_BEGIN_MODULE_GLOBALS(pq)
+       long  global_value;
+       char *global_string;
+ZEND_END_MODULE_GLOBALS(pq)
+
+#ifdef ZTS
+#define PQ_G(v) TSRMG(pq_globals_id, zend_pq_globals *, v)
+#else
+#define PQ_G(v) (pq_globals.v)
+#endif
+*/
+
+#endif /* PHP_PQ_H */
+
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */
diff --git a/src/php_pq.c b/src/php_pq.c
deleted file mode 100644 (file)
index 6743cf6..0000000
+++ /dev/null
@@ -1,5634 +0,0 @@
-/*
-    +--------------------------------------------------------------------+
-    | PECL :: pq                                                         |
-    +--------------------------------------------------------------------+
-    | Redistribution and use in source and binary forms, with or without |
-    | modification, are permitted provided that the conditions mentioned |
-    | in the accompanying LICENSE file are met.                          |
-    +--------------------------------------------------------------------+
-    | Copyright (c) 2013, Michael Wallner <mike@php.net>                 |
-    +--------------------------------------------------------------------+
-*/
-
-#ifdef HAVE_CONFIG_H
-#      include "config.h"
-#endif
-
-#define SMART_STR_PREALLOC 256
-
-#include <php.h>
-#include <Zend/zend_interfaces.h>
-#include <Zend/zend_exceptions.h>
-#include <ext/standard/info.h>
-#include <ext/standard/php_smart_str.h>
-#include <ext/spl/spl_array.h>
-#include <ext/spl/spl_exceptions.h>
-#include <ext/raphf/php_raphf.h>
-
-#include <libpq-events.h>
-#include <libpq/libpq-fs.h>
-#include <fnmatch.h>
-
-#include "php_pq.h"
-
-typedef int STATUS; /* SUCCESS/FAILURE */
-
-static char *rtrim(char *e) {
-       size_t l = strlen(e);
-
-       while (l-- > 0 && e[l] == '\n') {
-               e[l] = '\0';
-       }
-       return e;
-}
-
-#define PHP_PQerrorMessage(c) rtrim(PQerrorMessage((c)))
-#define PHP_PQresultErrorMessage(r) rtrim(PQresultErrorMessage((r)))
-
-static int php_pqconn_event(PGEventId id, void *e, void *data);
-
-#define PHP_PQclear(_r) \
-       do { \
-               php_pqres_object_t *_o = PQresultInstanceData((_r), php_pqconn_event); \
-               if (_o) { \
-                       php_pq_object_delref(_o TSRMLS_CC); \
-               } else { \
-                       PQclear(_r); \
-               } \
-       } while (0)
-
-/*
-ZEND_DECLARE_MODULE_GLOBALS(pq)
-*/
-
-/* {{{ PHP_INI
- */
-/* Remove comments and fill if you need to have entries in php.ini
-PHP_INI_BEGIN()
-    STD_PHP_INI_ENTRY("pq.global_value",      "42", PHP_INI_ALL, OnUpdateLong, global_value, zend_pq_globals, pq_globals)
-    STD_PHP_INI_ENTRY("pq.global_string", "foobar", PHP_INI_ALL, OnUpdateString, global_string, zend_pq_globals, pq_globals)
-PHP_INI_END()
-*/
-/* }}} */
-
-/* {{{ php_pq_init_globals
- */
-/* Uncomment this function if you have INI entries
-static void php_pq_init_globals(zend_pq_globals *pq_globals)
-{
-       pq_globals->global_value = 0;
-       pq_globals->global_string = NULL;
-}
-*/
-/* }}} */
-
-static zend_class_entry *php_pqconn_class_entry;
-static zend_class_entry *php_pqtypes_class_entry;
-static zend_class_entry *php_pqres_class_entry;
-static zend_class_entry *php_pqstm_class_entry;
-static zend_class_entry *php_pqtxn_class_entry;
-static zend_class_entry *php_pqcancel_class_entry;
-static zend_class_entry *php_pqevent_class_entry;
-static zend_class_entry *php_pqlob_class_entry;
-static zend_class_entry *php_pqcopy_class_entry;
-
-typedef enum php_pqexc_type {
-       EX_INVALID_ARGUMENT,
-       EX_RUNTIME,
-       EX_CONNECTION_FAILED,
-       EX_IO,
-       EX_ESCAPE,
-       EX_BAD_METHODCALL,
-       EX_UNINITIALIZED,
-       EX_DOMAIN,
-       EX_SQL
-} php_pqexc_type_t;
-
-static zend_class_entry *php_pqexc_interface_class_entry;
-static zend_class_entry *php_pqexc_invalid_argument_class_entry;
-static zend_class_entry *php_pqexc_runtime_class_entry;
-static zend_class_entry *php_pqexc_bad_methodcall_class_entry;
-static zend_class_entry *php_pqexc_domain_class_entry;
-
-static zend_class_entry *exce(php_pqexc_type_t type)
-{
-       switch (type) {
-       default:
-       case EX_INVALID_ARGUMENT:
-               return php_pqexc_invalid_argument_class_entry;
-       case EX_RUNTIME:
-       case EX_CONNECTION_FAILED:
-       case EX_IO:
-       case EX_ESCAPE:
-               return php_pqexc_runtime_class_entry;
-       case EX_UNINITIALIZED:
-       case EX_BAD_METHODCALL:
-               return php_pqexc_bad_methodcall_class_entry;
-       case EX_DOMAIN:
-       case EX_SQL:
-               return php_pqexc_domain_class_entry;
-       }
-}
-
-static zval *throw_exce(php_pqexc_type_t type TSRMLS_DC, const char *fmt, ...)
-{
-       char *msg;
-       zval *zexc;
-       va_list argv;
-
-       va_start(argv, fmt);
-       vspprintf(&msg, 0, fmt, argv);
-       va_end(argv);
-
-       zexc = zend_throw_exception(exce(type), msg, type TSRMLS_CC);
-       efree(msg);
-
-       return zexc;
-}
-
-static zend_object_handlers php_pqconn_object_handlers;
-static zend_object_handlers php_pqtypes_object_handlers;
-static zend_object_handlers php_pqres_object_handlers;
-static zend_object_handlers php_pqstm_object_handlers;
-static zend_object_handlers php_pqtxn_object_handlers;
-static zend_object_handlers php_pqcancel_object_handlers;
-static zend_object_handlers php_pqevent_object_handlers;
-static zend_object_handlers php_pqlob_object_handlers;
-static zend_object_handlers php_pqcopy_object_handlers;
-
-typedef struct php_pq_callback {
-       zend_fcall_info fci;
-       zend_fcall_info_cache fcc;
-       void *data;
-} php_pq_callback_t;
-
-typedef struct php_pq_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       void *intern;
-} php_pq_object_t;
-
-#define PHP_PQCONN_ASYNC 0x01
-#define PHP_PQCONN_PERSISTENT 0x02
-
-typedef struct php_pqconn {
-       PGconn *conn;
-       int (*poller)(PGconn *);
-       php_resource_factory_t factory;
-       HashTable listeners;
-       HashTable eventhandlers;
-       php_pq_callback_t onevent;
-       unsigned unbuffered:1;
-} php_pqconn_t;
-
-typedef struct php_pqconn_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqconn_t *intern;
-} php_pqconn_object_t;
-
-typedef struct php_pqtypes {
-       HashTable types;
-       php_pqconn_object_t *conn;
-} php_pqtypes_t;
-
-typedef struct php_pqtypes_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqtypes_t *intern;
-} php_pqtypes_object_t;
-
-typedef struct php_pqconn_event_data {
-       php_pqconn_object_t *obj;
-#ifdef ZTS
-       void ***ts;
-#endif
-} php_pqconn_event_data_t;
-
-typedef enum php_pqres_fetch {
-       PHP_PQRES_FETCH_ARRAY,
-       PHP_PQRES_FETCH_ASSOC,
-       PHP_PQRES_FETCH_OBJECT
-} php_pqres_fetch_t;
-
-typedef struct php_pqres_iterator {
-       zend_object_iterator zi;
-       zval *current_val;
-       unsigned index;
-       php_pqres_fetch_t fetch_type;
-} php_pqres_iterator_t;
-
-typedef struct php_pqres {
-       PGresult *res;
-       php_pqres_iterator_t *iter;
-       HashTable bound;
-} php_pqres_t;
-
-typedef struct php_pqres_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqres_t *intern;
-} php_pqres_object_t;
-
-typedef struct php_pqstm {
-       php_pqconn_object_t *conn;
-       char *name;
-       HashTable bound;
-} php_pqstm_t;
-
-typedef struct php_pqstm_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqstm_t *intern;
-} php_pqstm_object_t;
-
-typedef enum php_pqtxn_isolation {
-       PHP_PQTXN_READ_COMMITTED,
-       PHP_PQTXN_REPEATABLE_READ,
-       PHP_PQTXN_SERIALIZABLE,
-} php_pqtxn_isolation_t;
-
-typedef struct php_pqtxn {
-       php_pqconn_object_t *conn;
-       php_pqtxn_isolation_t isolation;
-       unsigned savepoint;
-       unsigned open:1;
-       unsigned readonly:1;
-       unsigned deferrable:1;
-} php_pqtxn_t;
-
-typedef struct php_pqtxn_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqtxn_t *intern;
-} php_pqtxn_object_t;
-
-typedef struct php_pqcancel {
-       PGcancel *cancel;
-       php_pqconn_object_t *conn;
-} php_pqcancel_t;
-
-typedef struct php_pqcancel_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqcancel_t *intern;
-} php_pqcancel_object_t;
-
-typedef struct php_pqevent {
-       php_pq_callback_t cb;
-       char *type;
-       ulong h;
-} php_pqevent_t;
-
-typedef struct php_pqevent_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqevent_t *intern;
-} php_pqevent_object_t;
-
-typedef struct php_pqlob {
-       int lofd;
-       Oid loid;
-       php_pqtxn_object_t *txn;
-} php_pqlob_t;
-
-typedef struct php_pqlob_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqlob_t *intern;
-} php_pqlob_object_t;
-
-typedef enum php_pqcopy_direction {
-       PHP_PQCOPY_FROM_STDIN,
-       PHP_PQCOPY_TO_STDOUT
-} php_pqcopy_direction_t;
-
-typedef enum php_pqcopy_status {
-       PHP_PQCOPY_FAIL,
-       PHP_PQCOPY_CONT,
-       PHP_PQCOPY_DONE
-} php_pqcopy_status_t;
-
-typedef struct php_pqcopy {
-       php_pqcopy_direction_t direction;
-       char *expression;
-       char *options;
-       php_pqconn_object_t *conn;
-} php_pqcopy_t;
-
-typedef struct php_pqcopy_object {
-       zend_object zo;
-       zend_object_value zv;
-       HashTable *prophandler;
-       php_pqcopy_t *intern;
-} php_pqcopy_object_t;
-
-static HashTable php_pqconn_object_prophandlers;
-static HashTable php_pqtypes_object_prophandlers;
-static HashTable php_pqres_object_prophandlers;
-static HashTable php_pqstm_object_prophandlers;
-static HashTable php_pqtxn_object_prophandlers;
-static HashTable php_pqcancel_object_prophandlers;
-static HashTable php_pqevent_object_prophandlers;
-static HashTable php_pqlob_object_prophandlers;
-static HashTable php_pqcopy_object_prophandlers;
-
-typedef void (*php_pq_object_prophandler_func_t)(zval *object, void *o, zval *return_value TSRMLS_DC);
-
-typedef struct php_pq_object_prophandler {
-       php_pq_object_prophandler_func_t read;
-       php_pq_object_prophandler_func_t write;
-} php_pq_object_prophandler_t;
-
-static zend_object_iterator_funcs php_pqres_iterator_funcs;
-
-static zend_object_iterator *php_pqres_iterator_init(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC)
-{
-       php_pqres_iterator_t *iter;
-       zval *prop, *zfetch_type;
-
-       iter = ecalloc(1, sizeof(*iter));
-       iter->zi.funcs = &php_pqres_iterator_funcs;
-       iter->zi.data = object;
-       Z_ADDREF_P(object);
-
-       zfetch_type = prop = zend_read_property(ce, object, ZEND_STRL("fetchType"), 0 TSRMLS_CC);
-       if (Z_TYPE_P(zfetch_type) != IS_LONG) {
-               convert_to_long_ex(&zfetch_type);
-       }
-       iter->fetch_type = Z_LVAL_P(zfetch_type);
-       if (zfetch_type != prop) {
-               zval_ptr_dtor(&zfetch_type);
-       }
-       if (Z_REFCOUNT_P(prop)) {
-               zval_ptr_dtor(&prop);
-       } else {
-               zval_dtor(prop);
-               FREE_ZVAL(prop);
-       }
-
-       return (zend_object_iterator *) iter;
-}
-
-static void php_pqres_iterator_dtor(zend_object_iterator *i TSRMLS_DC)
-{
-       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
-
-       if (iter->current_val) {
-               zval_ptr_dtor(&iter->current_val);
-               iter->current_val = NULL;
-       }
-       zval_ptr_dtor((zval **) &iter->zi.data);
-       efree(iter);
-}
-
-static STATUS php_pqres_iterator_valid(zend_object_iterator *i TSRMLS_DC)
-{
-       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
-       php_pqres_object_t *obj = zend_object_store_get_object(iter->zi.data TSRMLS_CC);
-
-       switch (PQresultStatus(obj->intern->res)) {
-       case PGRES_TUPLES_OK:
-       case PGRES_SINGLE_TUPLE:
-               if (PQntuples(obj->intern->res) <= iter->index) {
-                       return FAILURE;
-               }
-               break;
-       default:
-               return FAILURE;
-       }
-
-       return SUCCESS;
-}
-
-static zval *php_pqres_row_to_zval(PGresult *res, unsigned row, php_pqres_fetch_t fetch_type, zval **data_ptr TSRMLS_DC)
-{
-       zval *data = NULL;
-       int c, cols;
-
-       if (data_ptr) {
-               data = *data_ptr;
-       }
-       if (!data) {
-               MAKE_STD_ZVAL(data);
-               if (PHP_PQRES_FETCH_OBJECT == fetch_type) {
-                       object_init(data);
-               } else {
-                       array_init(data);
-               }
-               if (data_ptr) {
-                       *data_ptr = data;
-               }
-       }
-
-       for (c = 0, cols = PQnfields(res); c < cols; ++c) {
-               if (PQgetisnull(res, row, c)) {
-                       switch (fetch_type) {
-                       case PHP_PQRES_FETCH_OBJECT:
-                               add_property_null(data, PQfname(res, c));
-                               break;
-
-                       case PHP_PQRES_FETCH_ASSOC:
-                               add_assoc_null(data, PQfname(res, c));
-                               break;
-
-                       case PHP_PQRES_FETCH_ARRAY:
-                               add_index_null(data, c);
-                               break;
-                       }
-               } else {
-                       char *val = PQgetvalue(res, row, c);
-                       int len = PQgetlength(res, row, c);
-
-                       switch (fetch_type) {
-                       case PHP_PQRES_FETCH_OBJECT:
-                               add_property_stringl(data, PQfname(res, c), val, len, 1);
-                               break;
-
-                       case PHP_PQRES_FETCH_ASSOC:
-                               add_assoc_stringl(data, PQfname(res, c), val, len, 1);
-                               break;
-
-                       case PHP_PQRES_FETCH_ARRAY:
-                               add_index_stringl(data, c, val, len ,1);
-                               break;
-                       }
-               }
-       }
-
-       return data;
-}
-
-static void php_pqres_iterator_current(zend_object_iterator *i, zval ***data_ptr TSRMLS_DC)
-{
-       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
-       php_pqres_object_t *obj = zend_object_store_get_object(iter->zi.data TSRMLS_CC);
-
-       if (iter->current_val) {
-               zval_ptr_dtor(&iter->current_val);
-       }
-       iter->current_val = php_pqres_row_to_zval(obj->intern->res, iter->index, iter->fetch_type, NULL TSRMLS_CC);
-       *data_ptr = &iter->current_val;
-}
-
-static int php_pqres_iterator_key(zend_object_iterator *i, char **key_str, uint *key_len, ulong *key_num TSRMLS_DC)
-{
-       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
-
-       *key_num = (ulong) iter->index;
-
-       return HASH_KEY_IS_LONG;
-}
-
-static void php_pqres_iterator_next(zend_object_iterator *i TSRMLS_DC)
-{
-       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
-
-       ++iter->index;
-}
-
-static void php_pqres_iterator_rewind(zend_object_iterator *i TSRMLS_DC)
-{
-       php_pqres_iterator_t *iter = (php_pqres_iterator_t *) i;
-
-       iter->index = 0;
-}
-
-static zend_object_iterator_funcs php_pqres_iterator_funcs = {
-       php_pqres_iterator_dtor,
-       /* check for end of iteration (FAILURE or SUCCESS if data is valid) */
-       php_pqres_iterator_valid,
-       /* fetch the item data for the current element */
-       php_pqres_iterator_current,
-       /* fetch the key for the current element (return HASH_KEY_IS_STRING or HASH_KEY_IS_LONG) (optional, may be NULL) */
-       php_pqres_iterator_key,
-       /* step forwards to next element */
-       php_pqres_iterator_next,
-       /* rewind to start of data (optional, may be NULL) */
-       php_pqres_iterator_rewind,
-       /* invalidate current value/key (optional, may be NULL) */
-       NULL
-};
-
-static int php_pqres_count_elements(zval *object, long *count TSRMLS_DC)
-{
-       php_pqres_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
-
-       if (!obj->intern) {
-               return FAILURE;
-       } else {
-               *count = (long) PQntuples(obj->intern->res);
-               return SUCCESS;
-       }
-}
-
-static STATUS php_pqres_success(PGresult *res TSRMLS_DC)
-{
-       zval *zexc;
-
-       switch (PQresultStatus(res)) {
-       case PGRES_BAD_RESPONSE:
-       case PGRES_NONFATAL_ERROR:
-       case PGRES_FATAL_ERROR:
-               zexc = throw_exce(EX_SQL TSRMLS_CC, "%s", PHP_PQresultErrorMessage(res));
-               zend_update_property_string(php_pqexc_domain_class_entry, zexc, ZEND_STRL("sqlstate"), PQresultErrorField(res, PG_DIAG_SQLSTATE) TSRMLS_CC);
-               return FAILURE;
-       default:
-               return SUCCESS;
-       }
-}
-
-/*
-static void php_pqconn_del_eventhandler(php_pqconn_object_t *obj, const char *type_str, size_t type_len, ulong id TSRMLS_DC)
-{
-       zval **evhs;
-
-       if (SUCCESS == zend_hash_find(&obj->intern->eventhandlers, type_str, type_len + 1, (void *) &evhs)) {
-               zend_hash_index_del(Z_ARRVAL_PP(evhs), id);
-       }
-}
-*/
-
-static ulong php_pqconn_add_eventhandler(php_pqconn_object_t *obj, const char *type_str, size_t type_len, zval *zevent TSRMLS_DC)
-{
-       zval **evhs;
-       ulong h;
-
-       if (SUCCESS == zend_hash_find(&obj->intern->eventhandlers, type_str, type_len + 1, (void *) &evhs)) {
-               Z_ADDREF_P(zevent);
-               h = zend_hash_next_free_element(Z_ARRVAL_PP(evhs));
-               add_next_index_zval(*evhs, zevent);
-       } else {
-               zval *evh;
-
-               MAKE_STD_ZVAL(evh);
-               array_init(evh);
-               Z_ADDREF_P(zevent);
-               h = zend_hash_next_free_element(Z_ARRVAL_P(evh));
-               add_next_index_zval(evh, zevent);
-               zend_hash_add(&obj->intern->eventhandlers, type_str, type_len + 1, (void *) &evh, sizeof(zval *), NULL);
-       }
-
-       return h;
-}
-
-static void php_pq_callback_dtor(php_pq_callback_t *cb) {
-       if (cb->fci.size > 0) {
-               zend_fcall_info_args_clear(&cb->fci, 1);
-               zval_ptr_dtor(&cb->fci.function_name);
-               if (cb->fci.object_ptr) {
-                       zval_ptr_dtor(&cb->fci.object_ptr);
-               }
-       }
-       cb->fci.size = 0;
-}
-
-static void php_pq_callback_addref(php_pq_callback_t *cb)
-{
-       Z_ADDREF_P(cb->fci.function_name);
-       if (cb->fci.object_ptr) {
-               Z_ADDREF_P(cb->fci.object_ptr);
-       }
-}
-
-static void php_pq_object_to_zval(void *o, zval **zv TSRMLS_DC)
-{
-       php_pq_object_t *obj = o;
-
-       if (!*zv) {
-               MAKE_STD_ZVAL(*zv);
-       }
-
-       zend_objects_store_add_ref_by_handle(obj->zv.handle TSRMLS_CC);
-
-       (*zv)->type = IS_OBJECT;
-       (*zv)->value.obj = obj->zv;
-}
-
-static void php_pq_object_to_zval_no_addref(void *o, zval **zv TSRMLS_DC)
-{
-       php_pq_object_t *obj = o;
-
-       if (!*zv) {
-               MAKE_STD_ZVAL(*zv);
-       }
-
-       /* no add ref */
-
-       (*zv)->type = IS_OBJECT;
-       (*zv)->value.obj = obj->zv;
-}
-
-static void php_pq_object_addref(void *o TSRMLS_DC)
-{
-       php_pq_object_t *obj = o;
-       zend_objects_store_add_ref_by_handle(obj->zv.handle TSRMLS_CC);
-}
-
-static void php_pq_object_delref(void *o TSRMLS_DC)
-{
-       php_pq_object_t *obj = o;
-       zend_objects_store_del_ref_by_handle_ex(obj->zv.handle, obj->zv.handlers TSRMLS_CC);
-}
-
-static void php_pqconn_object_free(void *o TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE conn(#%d) %p\n", obj->zv.handle, obj);
-#endif
-       if (obj->intern) {
-               php_resource_factory_handle_dtor(&obj->intern->factory, obj->intern->conn TSRMLS_CC);
-               php_resource_factory_dtor(&obj->intern->factory);
-               php_pq_callback_dtor(&obj->intern->onevent);
-               zend_hash_destroy(&obj->intern->listeners);
-               zend_hash_destroy(&obj->intern->eventhandlers);
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static void php_pqtypes_object_free(void *o TSRMLS_DC)
-{
-       php_pqtypes_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE types(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
-#endif
-       if (obj->intern) {
-               zend_hash_destroy(&obj->intern->types);
-               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static void php_pqres_object_free(void *o TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE res(#%d) %p\n", obj->zv.handle, obj);
-#endif
-       if (obj->intern) {
-               if (obj->intern->res) {
-                       PQresultSetInstanceData(obj->intern->res, php_pqconn_event, NULL);
-                       PQclear(obj->intern->res);
-                       obj->intern->res = NULL;
-               }
-
-               if (obj->intern->iter) {
-                       php_pqres_iterator_dtor((zend_object_iterator *) obj->intern->iter TSRMLS_CC);
-                       obj->intern->iter = NULL;
-               }
-
-               zend_hash_destroy(&obj->intern->bound);
-
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static void php_pqstm_object_free(void *o TSRMLS_DC)
-{
-       php_pqstm_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE stm(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
-#endif
-       if (obj->intern) {
-               char *quoted_name = PQescapeIdentifier(obj->intern->conn->intern->conn, obj->intern->name, strlen(obj->intern->name));
-
-               php_pq_callback_dtor(&obj->intern->conn->intern->onevent);
-
-               if (quoted_name) {
-                       PGresult *res;
-                       smart_str cmd = {0};
-
-                       smart_str_appends(&cmd, "DEALLOCATE ");
-                       smart_str_appends(&cmd, quoted_name);
-                       smart_str_0(&cmd);
-                       PQfreemem(quoted_name);
-
-                       if ((res = PQexec(obj->intern->conn->intern->conn, cmd.c))) {
-                               PHP_PQclear(res);
-                       }
-                       smart_str_free(&cmd);
-               }
-
-               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
-               efree(obj->intern->name);
-               zend_hash_destroy(&obj->intern->bound);
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static void php_pqtxn_object_free(void *o TSRMLS_DC)
-{
-       php_pqtxn_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE txn(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
-#endif
-       if (obj->intern) {
-               if (obj->intern->open) {
-                       PGresult *res = PQexec(obj->intern->conn->intern->conn, "ROLLBACK");
-
-                       if (res) {
-                               PHP_PQclear(res);
-                       }
-               }
-               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static void php_pqcancel_object_free(void *o TSRMLS_DC)
-{
-       php_pqcancel_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE cancel(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
-#endif
-       if (obj->intern) {
-               PQfreeCancel(obj->intern->cancel);
-               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static void php_pqevent_object_free(void *o TSRMLS_DC)
-{
-       php_pqevent_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE event(#%d) %p\n", obj->zv.handle, obj);
-#endif
-       if (obj->intern) {
-               php_pq_callback_dtor(&obj->intern->cb);
-               efree(obj->intern->type);
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static void php_pqlob_object_free(void *o TSRMLS_DC)
-{
-       php_pqlob_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE lob(#%d) %p (txn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->txn->zv.handle, obj->intern->txn);
-#endif
-       if (obj->intern) {
-               if (obj->intern->lofd) {
-                       lo_close(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd);
-               }
-               php_pq_object_delref(obj->intern->txn TSRMLS_CC);
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static void php_pqcopy_object_free(void *o TSRMLS_DC)
-{
-       php_pqcopy_object_t *obj = o;
-#if DBG_GC
-       fprintf(stderr, "FREE copy(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn);
-#endif
-       if (obj->intern) {
-               efree(obj->intern->expression);
-               efree(obj->intern->options);
-               php_pq_object_delref(obj->intern->conn TSRMLS_CC);
-               efree(obj->intern);
-               obj->intern = NULL;
-       }
-       zend_object_std_dtor((zend_object *) o TSRMLS_CC);
-       efree(obj);
-}
-
-static zend_object_value php_pqconn_create_object_ex(zend_class_entry *ce, php_pqconn_t *intern, php_pqconn_object_t **ptr TSRMLS_DC)
-{
-       php_pqconn_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqconn_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqconn_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqconn_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqtypes_create_object_ex(zend_class_entry *ce, php_pqtypes_t *intern, php_pqtypes_object_t **ptr TSRMLS_DC)
-{
-       php_pqtypes_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqtypes_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqtypes_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqtypes_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqres_create_object_ex(zend_class_entry *ce, php_pqres_t *intern, php_pqres_object_t **ptr TSRMLS_DC)
-{
-       php_pqres_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqres_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqres_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqres_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqstm_create_object_ex(zend_class_entry *ce, php_pqstm_t *intern, php_pqstm_object_t **ptr TSRMLS_DC)
-{
-       php_pqstm_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqstm_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqstm_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqstm_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqtxn_create_object_ex(zend_class_entry *ce, php_pqtxn_t *intern, php_pqtxn_object_t **ptr TSRMLS_DC)
-{
-       php_pqtxn_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqtxn_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqtxn_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqtxn_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqcancel_create_object_ex(zend_class_entry *ce, php_pqcancel_t *intern, php_pqcancel_object_t **ptr TSRMLS_DC)
-{
-       php_pqcancel_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqcancel_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqcancel_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqcancel_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqevent_create_object_ex(zend_class_entry *ce, php_pqevent_t *intern, php_pqevent_object_t **ptr TSRMLS_DC)
-{
-       php_pqevent_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqevent_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqevent_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqevent_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqlob_create_object_ex(zend_class_entry *ce, php_pqlob_t *intern, php_pqlob_object_t **ptr TSRMLS_DC)
-{
-       php_pqlob_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqlob_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqlob_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqlob_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqcopy_create_object_ex(zend_class_entry *ce, php_pqcopy_t *intern, php_pqcopy_object_t **ptr TSRMLS_DC)
-{
-       php_pqcopy_object_t *o;
-
-       o = ecalloc(1, sizeof(*o));
-       zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
-       object_properties_init((zend_object *) o, ce);
-       o->prophandler = &php_pqcopy_object_prophandlers;
-
-       if (ptr) {
-               *ptr = o;
-       }
-
-       if (intern) {
-               o->intern = intern;
-       }
-
-       o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqcopy_object_free, NULL TSRMLS_CC);
-       o->zv.handlers = &php_pqcopy_object_handlers;
-
-       return o->zv;
-}
-
-static zend_object_value php_pqconn_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqconn_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static zend_object_value php_pqtypes_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqtypes_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static zend_object_value php_pqres_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqres_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static zend_object_value php_pqstm_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqstm_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static zend_object_value php_pqtxn_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqtxn_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static zend_object_value php_pqcancel_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqcancel_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static zend_object_value php_pqevent_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqevent_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static zend_object_value php_pqlob_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqlob_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static zend_object_value php_pqcopy_create_object(zend_class_entry *class_type TSRMLS_DC)
-{
-       return php_pqcopy_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
-}
-
-static int apply_pi_to_ht(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
-{
-       zend_property_info *pi = p;
-       HashTable *ht = va_arg(argv, HashTable *);
-       zval *object = va_arg(argv, zval *);
-       php_pq_object_t *obj = va_arg(argv, php_pq_object_t *);
-       int addref = va_arg(argv, int);
-       zval *property = zend_read_property(obj->zo.ce, object, pi->name, pi->name_length, 0 TSRMLS_CC);
-
-       if (addref) {
-               Z_ADDREF_P(property);
-       }
-       zend_hash_add(ht, pi->name, pi->name_length + 1, (void *) &property, sizeof(zval *), NULL);
-
-       return ZEND_HASH_APPLY_KEEP;
-}
-
-static HashTable *php_pq_object_debug_info(zval *object, int *temp TSRMLS_DC)
-{
-       HashTable *ht;
-       php_pq_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
-
-       *temp = 1;
-       ALLOC_HASHTABLE(ht);
-       ZEND_INIT_SYMTABLE(ht);
-
-       zend_hash_apply_with_arguments(&obj->zo.ce->properties_info TSRMLS_CC, apply_pi_to_ht, 4, ht, object, obj, 1);
-
-       return ht;
-}
-
-static void php_pqconn_object_read_status(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-
-       RETVAL_LONG(PQstatus(obj->intern->conn));
-}
-
-static void php_pqconn_object_read_transaction_status(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-
-       RETVAL_LONG(PQtransactionStatus(obj->intern->conn));
-}
-
-static void php_pqconn_object_read_error_message(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-       char *error = PHP_PQerrorMessage(obj->intern->conn);
-
-       if (error) {
-               RETVAL_STRING(error, 1);
-       } else {
-               RETVAL_NULL();
-       }
-}
-
-static int apply_notify_listener(void *p, void *arg TSRMLS_DC)
-{
-       php_pq_callback_t *listener = p;
-       PGnotify *nfy = arg;
-       zval *zpid, *zchannel, *zmessage;
-
-       MAKE_STD_ZVAL(zpid);
-       ZVAL_LONG(zpid, nfy->be_pid);
-       MAKE_STD_ZVAL(zchannel);
-       ZVAL_STRING(zchannel, nfy->relname, 1);
-       MAKE_STD_ZVAL(zmessage);
-       ZVAL_STRING(zmessage, nfy->extra, 1);
-
-       zend_fcall_info_argn(&listener->fci TSRMLS_CC, 3, &zchannel, &zmessage, &zpid);
-       zend_fcall_info_call(&listener->fci, &listener->fcc, NULL, NULL TSRMLS_CC);
-
-       zval_ptr_dtor(&zchannel);
-       zval_ptr_dtor(&zmessage);
-       zval_ptr_dtor(&zpid);
-
-       return ZEND_HASH_APPLY_KEEP;
-}
-
-static int apply_notify_listeners(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
-{
-       HashTable *listeners = p;
-       PGnotify *nfy = va_arg(argv, PGnotify *);
-
-       if (0 == fnmatch(key->arKey, nfy->relname, 0)) {
-               zend_hash_apply_with_argument(listeners, apply_notify_listener, nfy TSRMLS_CC);
-       }
-
-       return ZEND_HASH_APPLY_KEEP;
-}
-
-static void php_pqconn_notify_listeners(php_pqconn_object_t *obj TSRMLS_DC)
-{
-       PGnotify *nfy;
-
-       while ((nfy = PQnotifies(obj->intern->conn))) {
-               zend_hash_apply_with_arguments(&obj->intern->listeners TSRMLS_CC, apply_notify_listeners, 1, nfy);
-               PQfreemem(nfy);
-       }
-}
-
-static void php_pqconn_object_read_busy(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-
-       RETVAL_BOOL(PQisBusy(obj->intern->conn));
-}
-
-static void php_pqconn_object_read_encoding(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-
-       RETVAL_STRING(pg_encoding_to_char(PQclientEncoding(obj->intern->conn)), 1);
-}
-
-static void php_pqconn_object_write_encoding(zval *object, void *o, zval *value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-       zval *zenc = value;
-
-       if (Z_TYPE_P(value) != IS_STRING) {
-               if (Z_REFCOUNT_P(value) > 1) {
-                       zval *tmp;
-                       MAKE_STD_ZVAL(tmp);
-                       ZVAL_ZVAL(tmp, zenc, 1, 0);
-                       convert_to_string(tmp);
-                       zenc = tmp;
-               } else {
-                       convert_to_string_ex(&zenc);
-               }
-       }
-
-       if (0 > PQsetClientEncoding(obj->intern->conn, Z_STRVAL_P(zenc))) {
-               zend_error(E_NOTICE, "Unrecognized encoding '%s'", Z_STRVAL_P(zenc));
-       }
-
-       if (zenc != value) {
-               zval_ptr_dtor(&zenc);
-       }
-}
-
-static void php_pqconn_object_read_unbuffered(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-
-       RETVAL_BOOL(obj->intern->unbuffered);
-}
-
-static void php_pqconn_object_write_unbuffered(zval *object, void *o, zval *value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-
-       obj->intern->unbuffered = zend_is_true(value);
-}
-
-static void php_pqconn_object_read_db(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-       char *db = PQdb(obj->intern->conn);
-
-       if (db) {
-               RETVAL_STRING(db, 1);
-       } else {
-               RETVAL_EMPTY_STRING();
-       }
-}
-
-static void php_pqconn_object_read_user(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-       char *user = PQuser(obj->intern->conn);
-
-       if (user) {
-               RETVAL_STRING(user, 1);
-       } else {
-               RETVAL_EMPTY_STRING();
-       }
-}
-
-static void php_pqconn_object_read_pass(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-       char *pass = PQpass(obj->intern->conn);
-
-       if (pass) {
-               RETVAL_STRING(pass, 1);
-       } else {
-               RETVAL_EMPTY_STRING();
-       }
-}
-
-static void php_pqconn_object_read_host(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-       char *host = PQhost(obj->intern->conn);
-
-       if (host) {
-               RETVAL_STRING(host, 1);
-       } else {
-               RETVAL_EMPTY_STRING();
-       }
-}
-
-static void php_pqconn_object_read_port(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-       char *port = PQport(obj->intern->conn);
-
-       if (port) {
-               RETVAL_STRING(port, 1);
-       } else {
-               RETVAL_EMPTY_STRING();
-       }
-}
-
-static void php_pqconn_object_read_options(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-       char *options = PQoptions(obj->intern->conn);
-
-       if (options) {
-               RETVAL_STRING(options, 1);
-       } else {
-               RETVAL_EMPTY_STRING();
-       }
-}
-
-static void php_pqconn_object_read_event_handlers(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqconn_object_t *obj = o;
-
-       array_init(return_value);
-       zend_hash_copy(Z_ARRVAL_P(return_value), &obj->intern->eventhandlers, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
-}
-
-static void php_pqtypes_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqtypes_object_t *obj = o;
-
-       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
-}
-
-static int has_dimension(HashTable *ht, zval *member, char **key_str, int *key_len, ulong *index TSRMLS_DC)
-{
-       long lval = 0;
-       zval *tmp = member;
-
-       switch (Z_TYPE_P(member)) {
-       default:
-               convert_to_string_ex(&tmp);
-               /* no break */
-       case IS_STRING:
-               if (!is_numeric_string(Z_STRVAL_P(tmp), Z_STRLEN_P(tmp), &lval, NULL, 0)) {
-                       int exists = zend_hash_exists(ht, Z_STRVAL_P(tmp), Z_STRLEN_P(tmp) + 1);
-
-                       if (key_str) {
-                               *key_str = estrndup(Z_STRVAL_P(tmp), Z_STRLEN_P(tmp));
-                               if (key_len) {
-                                       *key_len = Z_STRLEN_P(tmp) + 1;
-                               }
-                       }
-                       if (member != tmp) {
-                               zval_ptr_dtor(&tmp);
-                       }
-
-                       return exists;
-               }
-               break;
-       case IS_LONG:
-               lval = Z_LVAL_P(member);
-               break;
-       }
-
-       if (member != tmp) {
-               zval_ptr_dtor(&tmp);
-       }
-       if (index) {
-               *index = lval;
-       }
-       return zend_hash_index_exists(ht, lval);
-}
-
-static int php_pqtypes_object_has_dimension(zval *object, zval *member, int check_empty TSRMLS_DC)
-{
-       php_pqtypes_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
-       char *key_str = NULL;
-       int key_len = 0;
-       ulong index = 0;
-
-       if (check_empty) {
-               if (has_dimension(&obj->intern->types, member, &key_str, &key_len, &index TSRMLS_CC)) {
-                       zval **data;
-
-                       if (key_str && key_len) {
-                               if (SUCCESS == zend_hash_find(&obj->intern->types, key_str, key_len, (void *) &data)) {
-                                       efree(key_str);
-                                       return Z_TYPE_PP(data) != IS_NULL;
-                               }
-                               efree(key_str);
-                       } else {
-                               if (SUCCESS == zend_hash_index_find(&obj->intern->types, index, (void *) &data)) {
-                                       return Z_TYPE_PP(data) != IS_NULL;
-                               }
-                       }
-               }
-               if (key_str) {
-                       efree(key_str);
-               }
-       } else {
-               return has_dimension(&obj->intern->types, member, NULL, NULL, NULL TSRMLS_CC);
-       }
-
-       return 0;
-}
-
-static zval *php_pqtypes_object_read_dimension(zval *object, zval *member, int type TSRMLS_DC)
-{
-       ulong index = 0;
-       char *key_str = NULL;
-       int key_len = 0;
-       php_pqtypes_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
-
-       if (has_dimension(&obj->intern->types, member, &key_str, &key_len, &index TSRMLS_CC)) {
-               zval **data;
-
-               if (key_str && key_len) {
-                       if (SUCCESS == zend_hash_find(&obj->intern->types, key_str, key_len, (void *) &data)) {
-                               efree(key_str);
-                               return *data;
-                       }
-               } else {
-                       if (SUCCESS == zend_hash_index_find(&obj->intern->types, index, (void *) &data)) {
-                               return *data;
-                       }
-               }
-               if (key_str) {
-                       efree(key_str);
-               }
-       }
-
-       return NULL;
-}
-
-static void php_pqres_object_read_status(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-
-       RETVAL_LONG(PQresultStatus(obj->intern->res));
-}
-
-static void php_pqres_object_read_status_message(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-
-       RETVAL_STRING(PQresStatus(PQresultStatus(obj->intern->res))+sizeof("PGRES"), 1);
-}
-
-static void php_pqres_object_read_error_message(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-       char *error = PHP_PQresultErrorMessage(obj->intern->res);
-
-       if (error) {
-               RETVAL_STRING(error, 1);
-       } else {
-               RETVAL_NULL();
-       }
-}
-
-static void php_pqres_object_read_num_rows(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-
-       RETVAL_LONG(PQntuples(obj->intern->res));
-}
-
-static void php_pqres_object_read_num_cols(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-
-       RETVAL_LONG(PQnfields(obj->intern->res));
-}
-
-static void php_pqres_object_read_affected_rows(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-
-       RETVAL_LONG(atoi(PQcmdTuples(obj->intern->res)));
-}
-
-static void php_pqres_object_read_fetch_type(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-
-       if (obj->intern->iter) {
-               RETVAL_LONG(obj->intern->iter->fetch_type);
-       } else {
-               RETVAL_LONG(PHP_PQRES_FETCH_ARRAY);
-       }
-}
-
-static void php_pqres_object_write_fetch_type(zval *object, void *o, zval *value TSRMLS_DC)
-{
-       php_pqres_object_t *obj = o;
-       zval *zfetch_type = value;
-
-       if (Z_TYPE_P(value) != IS_LONG) {
-               if (Z_REFCOUNT_P(value) > 1) {
-                       zval *tmp;
-                       MAKE_STD_ZVAL(tmp);
-                       ZVAL_ZVAL(tmp, zfetch_type, 1, 0);
-                       convert_to_long(tmp);
-                       zfetch_type = tmp;
-               } else {
-                       convert_to_long_ex(&zfetch_type);
-               }
-       }
-
-       if (!obj->intern->iter) {
-               obj->intern->iter = (php_pqres_iterator_t *) php_pqres_iterator_init(Z_OBJCE_P(object), object, 0 TSRMLS_CC);
-               obj->intern->iter->zi.funcs->rewind((zend_object_iterator *) obj->intern->iter TSRMLS_CC);
-       }
-       obj->intern->iter->fetch_type = Z_LVAL_P(zfetch_type);
-
-       if (zfetch_type != value) {
-               zval_ptr_dtor(&zfetch_type);
-       }
-}
-
-static void php_pqstm_object_read_name(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqstm_object_t *obj = o;
-
-       RETVAL_STRING(obj->intern->name, 1);
-}
-
-static void php_pqstm_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqstm_object_t *obj = o;
-
-       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
-}
-
-static void php_pqtxn_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqtxn_object_t *obj = o;
-
-       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
-}
-
-static void php_pqtxn_object_read_isolation(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqtxn_object_t *obj = o;
-
-       RETVAL_LONG(obj->intern->isolation);
-}
-
-static void php_pqtxn_object_read_readonly(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqtxn_object_t *obj = o;
-
-       RETVAL_BOOL(obj->intern->readonly);
-}
-
-static void php_pqtxn_object_read_deferrable(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqtxn_object_t *obj = o;
-
-       RETVAL_BOOL(obj->intern->deferrable);
-}
-
-static void php_pqtxn_object_write_isolation(zval *object, void *o, zval *value TSRMLS_DC)
-{
-       php_pqtxn_object_t *obj = o;
-       php_pqtxn_isolation_t orig = obj->intern->isolation;
-       zval *zisolation = value;
-       PGresult *res;
-
-       if (Z_TYPE_P(zisolation) != IS_LONG) {
-               if (Z_REFCOUNT_P(value) > 1) {
-                       zval *tmp;
-                       MAKE_STD_ZVAL(tmp);
-                       ZVAL_ZVAL(tmp, zisolation, 1, 0);
-                       convert_to_long(tmp);
-                       zisolation = tmp;
-               } else {
-                       convert_to_long_ex(&zisolation);
-               }
-       }
-
-       switch ((obj->intern->isolation = Z_LVAL_P(zisolation))) {
-       case PHP_PQTXN_READ_COMMITTED:
-               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION ISOLATION LEVEL READ COMMITED");
-               break;
-       case PHP_PQTXN_REPEATABLE_READ:
-               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION ISOLATION LEVEL REPEATABLE READ");
-               break;
-       case PHP_PQTXN_SERIALIZABLE:
-               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE");
-               break;
-       default:
-               obj->intern->isolation = orig;
-               res = NULL;
-               break;
-       }
-
-       if (zisolation != value) {
-               zval_ptr_dtor(&zisolation);
-       }
-
-       if (res) {
-               php_pqres_success(res TSRMLS_CC);
-               PHP_PQclear(res);
-       }
-}
-
-static void php_pqtxn_object_write_readonly(zval *object, void *o, zval *value TSRMLS_DC)
-{
-       php_pqtxn_object_t *obj = o;
-       PGresult *res;
-
-       if ((obj->intern->readonly = zend_is_true(value))) {
-               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION READ ONLY");
-       } else {
-               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION READ WRITE");
-       }
-
-       if (res) {
-               php_pqres_success(res TSRMLS_CC);
-               PHP_PQclear(res);
-       }
-}
-
-static void php_pqtxn_object_write_deferrable(zval *object, void *o, zval *value TSRMLS_DC)
-{
-       php_pqtxn_object_t *obj = o;
-       PGresult *res;
-
-       if ((obj->intern->deferrable = zend_is_true(value))) {
-               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION DEFERRABLE");
-       } else {
-               res = PQexec(obj->intern->conn->intern->conn, "SET TRANSACTION NOT DEFERRABLE");
-       }
-
-       if (res) {
-               php_pqres_success(res TSRMLS_CC);
-               PHP_PQclear(res);
-       }
-}
-
-static void php_pqcancel_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqcancel_object_t *obj = o;
-
-       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
-}
-
-static void php_pqevent_object_read_type(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqevent_object_t *obj = o;
-
-       RETVAL_STRING(obj->intern->type, 1);
-}
-
-static void php_pqlob_object_read_transaction(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqlob_object_t *obj = o;
-
-       php_pq_object_to_zval(obj->intern->txn, &return_value TSRMLS_CC);
-}
-
-static void php_pqlob_object_read_oid(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqlob_object_t *obj = o;
-
-       RETVAL_LONG(obj->intern->loid);
-}
-
-static void php_pqcopy_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqcopy_object_t *obj = o;
-
-       php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC);
-}
-
-static void php_pqcopy_object_read_direction(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqcopy_object_t *obj = o;
-
-       RETVAL_LONG(obj->intern->direction);
-}
-
-static void php_pqcopy_object_read_expression(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqcopy_object_t *obj = o;
-
-       RETURN_STRING(obj->intern->expression, 1);
-}
-
-static void php_pqcopy_object_read_options(zval *object, void *o, zval *return_value TSRMLS_DC)
-{
-       php_pqcopy_object_t *obj = o;
-
-       RETURN_STRING(obj->intern->options, 1);
-}
-
-static zend_class_entry *ancestor(zend_class_entry *ce) {
-       while (ce->parent) {
-               ce = ce->parent;
-       }
-       return ce;
-}
-
-static zval *php_pq_object_read_prop(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC)
-{
-       php_pq_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
-       php_pq_object_prophandler_t *handler;
-       zval *return_value;
-
-       if (!obj->intern) {
-               zend_error(E_WARNING, "%s not initialized", ancestor(obj->zo.ce)->name);
-       } else if ((SUCCESS == zend_hash_find(obj->prophandler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void *) &handler)) && handler->read) {
-               if (type == BP_VAR_R) {
-                       ALLOC_ZVAL(return_value);
-                       Z_SET_REFCOUNT_P(return_value, 0);
-                       Z_UNSET_ISREF_P(return_value);
-
-                       handler->read(object, obj, return_value TSRMLS_CC);
-               } else {
-                       zend_error(E_ERROR, "Cannot access %s properties by reference or array key/index", ancestor(obj->zo.ce)->name);
-                       return_value = NULL;
-               }
-       } else {
-               return_value = zend_get_std_object_handlers()->read_property(object, member, type, key TSRMLS_CC);
-       }
-
-       return return_value;
-}
-
-static void php_pq_object_write_prop(zval *object, zval *member, zval *value, const zend_literal *key TSRMLS_DC)
-{
-       php_pq_object_t *obj = zend_object_store_get_object(object TSRMLS_CC);
-       php_pq_object_prophandler_t *handler;
-
-       if (SUCCESS == zend_hash_find(obj->prophandler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void *) &handler)) {
-               if (handler->write) {
-                       handler->write(object, obj, value TSRMLS_CC);
-               }
-       } else {
-               zend_get_std_object_handlers()->write_property(object, member, value, key TSRMLS_CC);
-       }
-}
-
-static STATUS php_pqconn_update_socket(zval *this_ptr, php_pqconn_object_t *obj TSRMLS_DC)
-{
-       zval *zsocket, zmember;
-       php_stream *stream;
-       STATUS retval;
-       int socket;
-       
-       if (!obj) {
-               obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-       }
-       
-       INIT_PZVAL(&zmember);
-       ZVAL_STRINGL(&zmember, "socket", sizeof("socket")-1, 0);
-       MAKE_STD_ZVAL(zsocket);
-       
-       if ((CONNECTION_BAD != PQstatus(obj->intern->conn))
-       &&      (-1 < (socket = PQsocket(obj->intern->conn)))
-       &&      (stream = php_stream_fopen_from_fd(socket, "r+b", NULL))) {
-               stream->flags |= PHP_STREAM_FLAG_NO_CLOSE;
-               php_stream_to_zval(stream, zsocket);
-               retval = SUCCESS;
-       } else {
-               ZVAL_NULL(zsocket);
-               retval = FAILURE;
-       }
-       zend_get_std_object_handlers()->write_property(getThis(), &zmember, zsocket, NULL TSRMLS_CC);
-       zval_ptr_dtor(&zsocket);
-       
-       return retval;
-}
-
-#ifdef ZTS
-#      define TSRMLS_DF(d) TSRMLS_D = (d)->ts
-#      define TSRMLS_CF(d) (d)->ts = TSRMLS_C
-#else
-#      define TSRMLS_DF(d)
-#      define TSRMLS_CF(d)
-#endif
-
-static int apply_event(void *p, void *a TSRMLS_DC)
-{
-       zval **evh = p;
-       zval *args = a;
-       zval *retval = NULL;
-
-       zend_call_method_with_1_params(evh, Z_OBJCE_PP(evh), NULL, "trigger", &retval, args);
-       if (retval) {
-               zval_ptr_dtor(&retval);
-       }
-
-       return ZEND_HASH_APPLY_KEEP;
-}
-
-static void php_pqconn_event_connreset(PGEventConnReset *event)
-{
-       php_pqconn_event_data_t *data = PQinstanceData(event->conn, php_pqconn_event);
-
-       if (data) {
-               zval **evhs;
-               TSRMLS_DF(data);
-
-               if (SUCCESS == zend_hash_find(&data->obj->intern->eventhandlers, ZEND_STRS("reset"), (void *) &evhs)) {
-                       zval *args, *connection = NULL;
-
-                       MAKE_STD_ZVAL(args);
-                       array_init(args);
-                       php_pq_object_to_zval(data->obj, &connection TSRMLS_CC);
-                       add_next_index_zval(args, connection);
-                       zend_hash_apply_with_argument(Z_ARRVAL_PP(evhs), apply_event, args TSRMLS_CC);
-                       zval_ptr_dtor(&args);
-               }
-       }
-}
-
-static void php_pqres_init_instance_data(PGresult *res, php_pqres_object_t **ptr TSRMLS_DC)
-{
-       php_pqres_object_t *obj;
-       php_pqres_t *r = ecalloc(1, sizeof(*r));
-
-       r->res = res;
-       ZEND_INIT_SYMTABLE(&r->bound);
-       php_pqres_create_object_ex(php_pqres_class_entry, r, &obj TSRMLS_CC);
-
-       PQresultSetInstanceData(res, php_pqconn_event, obj);
-
-       if (ptr) {
-               *ptr = obj;
-       }
-}
-
-static void php_pqconn_event_resultcreate(PGEventResultCreate *event)
-{
-       php_pqconn_event_data_t *data = PQinstanceData(event->conn, php_pqconn_event);
-
-       if (data) {
-               php_pqres_object_t *obj;
-               zval **evhs;
-               TSRMLS_DF(data);
-
-               php_pqres_init_instance_data(event->result, &obj TSRMLS_CC);
-
-               /* event listener */
-               if (SUCCESS == zend_hash_find(&data->obj->intern->eventhandlers, ZEND_STRS("result"), (void *) &evhs)) {
-                       zval *args, *connection = NULL, *res = NULL;
-
-                       MAKE_STD_ZVAL(args);
-                       array_init(args);
-                       php_pq_object_to_zval(data->obj, &connection TSRMLS_CC);
-                       add_next_index_zval(args, connection);
-                       php_pq_object_to_zval(obj, &res TSRMLS_CC);
-                       add_next_index_zval(args, res);
-                       zend_hash_apply_with_argument(Z_ARRVAL_PP(evhs), apply_event, args TSRMLS_CC);
-                       zval_ptr_dtor(&args);
-               }
-
-               /* async callback */
-               if (data->obj->intern->onevent.fci.size > 0) {
-                       zval *res = NULL;
-
-                       php_pq_object_to_zval(obj, &res TSRMLS_CC);
-                       zend_fcall_info_argn(&data->obj->intern->onevent.fci TSRMLS_CC, 1, &res);
-                       zend_fcall_info_call(&data->obj->intern->onevent.fci, &data->obj->intern->onevent.fcc, NULL, NULL TSRMLS_CC);
-                       zval_ptr_dtor(&res);
-               }
-
-       }
-}
-
-static void php_pqconn_event_resultdestroy(PGEventResultDestroy *event)
-{
-       php_pqres_object_t *obj = PQresultInstanceData(event->result, php_pqconn_event);
-
-       if (obj) {
-               obj->intern->res = NULL;
-       }
-}
-
-static int php_pqconn_event(PGEventId id, void *e, void *data)
-{
-       switch (id) {
-       case PGEVT_CONNRESET:
-               php_pqconn_event_connreset(e);
-               break;
-       case PGEVT_RESULTCREATE:
-               php_pqconn_event_resultcreate(e);
-               break;
-       case PGEVT_RESULTDESTROY:
-               php_pqconn_event_resultdestroy(e);
-               break;
-       default:
-               break;
-       }
-
-       return 1;
-}
-
-static php_pqconn_event_data_t *php_pqconn_event_data_init(php_pqconn_object_t *obj TSRMLS_DC)
-{
-       php_pqconn_event_data_t *data = emalloc(sizeof(*data));
-
-       data->obj = obj;
-       TSRMLS_CF(data);
-
-       return data;
-}
-
-static void php_pqconn_notice_recv(void *p, const PGresult *res)
-{
-       php_pqconn_event_data_t *data = p;
-
-       if (data) {
-               zval **evhs;
-               TSRMLS_DF(data);
-
-               if (SUCCESS == zend_hash_find(&data->obj->intern->eventhandlers, ZEND_STRS("notice"), (void *) &evhs)) {
-                       zval *args, *connection = NULL;
-
-                       MAKE_STD_ZVAL(args);
-                       array_init(args);
-                       php_pq_object_to_zval(data->obj, &connection TSRMLS_CC);
-                       add_next_index_zval(args, connection);
-                       add_next_index_string(args, PHP_PQresultErrorMessage(res), 1);
-                       zend_hash_apply_with_argument(Z_ARRVAL_PP(evhs), apply_event, args TSRMLS_CC);
-                       zval_ptr_dtor(&args);
-       }
-       }
-}
-
-typedef struct php_pqconn_resource_factory_data {
-       char *dsn;
-       long flags;
-} php_pqconn_resource_factory_data_t;
-
-static void *php_pqconn_resource_factory_ctor(void *data, void *init_arg TSRMLS_DC)
-{
-       php_pqconn_resource_factory_data_t *o = init_arg;
-       PGconn *conn = NULL;;
-
-       if (o->flags & PHP_PQCONN_ASYNC) {
-               conn = PQconnectStart(o->dsn);
-       } else {
-               conn = PQconnectdb(o->dsn);
-       }
-
-       if (conn) {
-               PQregisterEventProc(conn, php_pqconn_event, "ext-pq", NULL);
-       }
-
-       return conn;
-}
-
-static void php_pqconn_resource_factory_dtor(void *opaque, void *handle TSRMLS_DC)
-{
-       php_pqconn_event_data_t *evdata = PQinstanceData(handle, php_pqconn_event);
-
-       /* we don't care for anything, except free'ing evdata */
-       if (evdata) {
-               PQsetInstanceData(handle, php_pqconn_event, NULL);
-               memset(evdata, 0, sizeof(*evdata));
-               efree(evdata);
-       }
-
-       PQfinish(handle);
-}
-
-static php_resource_factory_ops_t php_pqconn_resource_factory_ops = {
-       php_pqconn_resource_factory_ctor,
-       NULL,
-       php_pqconn_resource_factory_dtor
-};
-
-static void php_pqconn_wakeup(php_persistent_handle_factory_t *f, void **handle TSRMLS_DC)
-{
-       // FIXME: ping server
-}
-
-static int apply_unlisten(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
-{
-       php_pqconn_object_t *obj = va_arg(argv, php_pqconn_object_t *);
-       char *quoted_channel = PQescapeIdentifier(obj->intern->conn, key->arKey, key->nKeyLength - 1);
-
-       if (quoted_channel) {
-               PGresult *res;
-               char *cmd;
-
-               spprintf(&cmd, 0, "UNLISTEN %s", quoted_channel);
-               if ((res = PQexec(obj->intern->conn, cmd))) {
-                       PHP_PQclear(res);
-               }
-
-               efree(cmd);
-               PQfreemem(quoted_channel);
-       }
-
-       return ZEND_HASH_APPLY_REMOVE;
-}
-
-static void php_pqconn_notice_ignore(void *p, const PGresult *res)
-{
-}
-
-static void php_pqconn_retire(php_persistent_handle_factory_t *f, void **handle TSRMLS_DC)
-{
-       php_pqconn_event_data_t *evdata = PQinstanceData(*handle, php_pqconn_event);
-       PGcancel *cancel;
-       PGresult *res;
-
-       /* go away */
-       PQsetInstanceData(*handle, php_pqconn_event, NULL);
-
-       /* ignore notices */
-       PQsetNoticeReceiver(*handle, php_pqconn_notice_ignore, NULL);
-
-       /* cancel async queries */
-       if (PQisBusy(*handle) && (cancel = PQgetCancel(*handle))) {
-               char err[256] = {0};
-
-               PQcancel(cancel, err, sizeof(err));
-               PQfreeCancel(cancel);
-       }
-       /* clean up async results */
-       while ((res = PQgetResult(*handle))) {
-               PHP_PQclear(res);
-       }
-
-       /* clean up transaction & session */
-       switch (PQtransactionStatus(*handle)) {
-       case PQTRANS_IDLE:
-               res = PQexec(*handle, "RESET ALL");
-               break;
-       default:
-               res = PQexec(*handle, "ROLLBACK; RESET ALL");
-               break;
-       }
-
-       if (res) {
-               PHP_PQclear(res);
-       }
-
-       if (evdata) {
-               /* clean up notify listeners */
-               zend_hash_apply_with_arguments(&evdata->obj->intern->listeners TSRMLS_CC, apply_unlisten, 1, evdata->obj);
-
-               /* release instance data */
-               memset(evdata, 0, sizeof(*evdata));
-               efree(evdata);
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_construct, 0, 0, 1)
-       ZEND_ARG_INFO(0, dsn)
-       ZEND_ARG_INFO(0, async)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, __construct) {
-       zend_error_handling zeh;
-       char *dsn_str = "";
-       int dsn_len = 0;
-       long flags = 0;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sl", &dsn_str, &dsn_len, &flags);
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (obj->intern) {
-                       throw_exce(EX_BAD_METHODCALL TSRMLS_CC, "pq\\Connection already initialized");
-               } else {
-                       php_pqconn_event_data_t *evdata =  php_pqconn_event_data_init(obj TSRMLS_CC);
-                       php_pqconn_resource_factory_data_t rfdata = {dsn_str, flags};
-
-                       obj->intern = ecalloc(1, sizeof(*obj->intern));
-
-                       zend_hash_init(&obj->intern->listeners, 0, NULL, (dtor_func_t) zend_hash_destroy, 0);
-                       zend_hash_init(&obj->intern->eventhandlers, 0, NULL, ZVAL_PTR_DTOR, 0);
-
-                       if (flags & PHP_PQCONN_PERSISTENT) {
-                               php_persistent_handle_factory_t *phf = php_persistent_handle_concede(NULL, ZEND_STRL("pq\\Connection"), dsn_str, dsn_len, php_pqconn_wakeup, php_pqconn_retire TSRMLS_CC);
-                               php_resource_factory_init(&obj->intern->factory, php_persistent_handle_get_resource_factory_ops(), phf, (void (*)(void*)) php_persistent_handle_abandon);
-                       } else {
-                               php_resource_factory_init(&obj->intern->factory, &php_pqconn_resource_factory_ops, NULL, NULL);
-                       }
-
-                       if (flags & PHP_PQCONN_ASYNC) {
-                               obj->intern->poller = (int (*)(PGconn*)) PQconnectPoll;
-                       }
-
-                       obj->intern->conn = php_resource_factory_handle_ctor(&obj->intern->factory, &rfdata TSRMLS_CC);
-
-                       PQsetInstanceData(obj->intern->conn, php_pqconn_event, evdata);
-                       PQsetNoticeReceiver(obj->intern->conn, php_pqconn_notice_recv, evdata);
-
-                       if (SUCCESS != php_pqconn_update_socket(getThis(), obj TSRMLS_CC)) {
-                               throw_exce(EX_CONNECTION_FAILED TSRMLS_CC, "Connection failed (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                       }
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_reset, 0, 0, 0)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, reset) {
-       zend_error_handling zeh;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters_none();
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else {
-                       PQreset(obj->intern->conn);
-
-                       if (CONNECTION_OK != PQstatus(obj->intern->conn)) {
-                               throw_exce(EX_CONNECTION_FAILED TSRMLS_CC, "Connection reset failed: (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                       }
-
-                       php_pqconn_notify_listeners(obj TSRMLS_CC);
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_reset_async, 0, 0, 0)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, resetAsync) {
-       zend_error_handling zeh;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters_none();
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else {
-                       if (!PQresetStart(obj->intern->conn)) {
-                               throw_exce(EX_IO TSRMLS_CC, "Failed to start connection reset (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                       } else {
-                               obj->intern->poller = (int (*)(PGconn*)) PQresetPoll;
-                       }
-
-                       php_pqconn_notify_listeners(obj TSRMLS_CC);
-               }
-       }
-}
-
-static void php_pqconn_add_listener(php_pqconn_object_t *obj, const char *channel_str, size_t channel_len, php_pq_callback_t *listener TSRMLS_DC)
-{
-       HashTable ht, *existing_listeners;
-
-       php_pq_callback_addref(listener);
-
-       if (SUCCESS == zend_hash_find(&obj->intern->listeners, channel_str, channel_len + 1, (void *) &existing_listeners)) {
-               zend_hash_next_index_insert(existing_listeners, (void *) listener, sizeof(*listener), NULL);
-       } else {
-               zend_hash_init(&ht, 1, NULL, (dtor_func_t) php_pq_callback_dtor, 0);
-               zend_hash_next_index_insert(&ht, (void *) listener, sizeof(*listener), NULL);
-               zend_hash_add(&obj->intern->listeners, channel_str, channel_len + 1, (void *) &ht, sizeof(HashTable), NULL);
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_listen, 0, 0, 0)
-       ZEND_ARG_INFO(0, channel)
-       ZEND_ARG_INFO(0, callable)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, listen) {
-       zend_error_handling zeh;
-       char *channel_str = NULL;
-       int channel_len = 0;
-       php_pq_callback_t listener;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sf", &channel_str, &channel_len, &listener.fci, &listener.fcc);
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else {
-                       char *quoted_channel = PQescapeIdentifier(obj->intern->conn, channel_str, channel_len);
-
-                       if (!quoted_channel) {
-                               throw_exce(EX_ESCAPE TSRMLS_CC, "Failed to escape channel identifier (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                       } else {
-                               PGresult *res;
-                               smart_str cmd = {0};
-
-                               smart_str_appends(&cmd, "LISTEN ");
-                               smart_str_appends(&cmd, quoted_channel);
-                               smart_str_0(&cmd);
-
-                               res = PQexec(obj->intern->conn, cmd.c);
-
-                               smart_str_free(&cmd);
-                               PQfreemem(quoted_channel);
-
-                               if (!res) {
-                                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to install listener (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                               } else {
-                                       if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
-                                               obj->intern->poller = PQconsumeInput;
-                                               php_pqconn_add_listener(obj, channel_str, channel_len, &listener TSRMLS_CC);
-                                       }
-                                       PHP_PQclear(res);
-                               }
-
-                               php_pqconn_notify_listeners(obj TSRMLS_CC);
-                       }
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_listen_async, 0, 0, 0)
-       ZEND_ARG_INFO(0, channel)
-       ZEND_ARG_INFO(0, callable)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, listenAsync) {
-       zend_error_handling zeh;
-       char *channel_str = NULL;
-       int channel_len = 0;
-       php_pq_callback_t listener;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sf", &channel_str, &channel_len, &listener.fci, &listener.fcc);
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else {
-                       char *quoted_channel = PQescapeIdentifier(obj->intern->conn, channel_str, channel_len);
-
-                       if (!quoted_channel) {
-                               throw_exce(EX_ESCAPE TSRMLS_CC, "Failed to escape channel identifier (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                       } else {
-                               smart_str cmd = {0};
-
-                               smart_str_appends(&cmd, "LISTEN ");
-                               smart_str_appends(&cmd, quoted_channel);
-                               smart_str_0(&cmd);
-
-                               if (!PQsendQuery(obj->intern->conn, cmd.c)) {
-                                       throw_exce(EX_IO TSRMLS_CC, "Failed to install listener (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                               } else {
-                                       obj->intern->poller = PQconsumeInput;
-                                       php_pqconn_add_listener(obj, channel_str, channel_len, &listener TSRMLS_CC);
-                               }
-
-                               smart_str_free(&cmd);
-                               PQfreemem(quoted_channel);
-                               php_pqconn_notify_listeners(obj TSRMLS_CC);
-                       }
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_notify, 0, 0, 2)
-       ZEND_ARG_INFO(0, channel)
-       ZEND_ARG_INFO(0, message)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, notify) {
-       zend_error_handling zeh;
-       char *channel_str, *message_str;
-       int channel_len, message_len;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &channel_str, &channel_len, &message_str, &message_len);
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else {
-                       PGresult *res;
-                       char *params[2] = {channel_str, message_str};
-
-                       res = PQexecParams(obj->intern->conn, "select pg_notify($1, $2)", 2, NULL, (const char *const*) params, NULL, NULL, 0);
-
-                       if (!res) {
-                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to notify listeners (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                       } else {
-                               php_pqres_success(res TSRMLS_CC);
-                               PHP_PQclear(res);
-                       }
-
-                       php_pqconn_notify_listeners(obj TSRMLS_CC);
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_notify_async, 0, 0, 2)
-       ZEND_ARG_INFO(0, channel)
-       ZEND_ARG_INFO(0, message)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, notifyAsync) {
-       zend_error_handling zeh;
-       char *channel_str, *message_str;
-       int channel_len, message_len;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &channel_str, &channel_len, &message_str, &message_len);
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else {
-                       char *params[2] = {channel_str, message_str};
-
-                       if (!PQsendQueryParams(obj->intern->conn, "select pg_notify($1, $2)", 2, NULL, (const char *const*) params, NULL, NULL, 0)) {
-                               throw_exce(EX_IO TSRMLS_CC, "Failed to notify listeners (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                       } else {
-                               obj->intern->poller = PQconsumeInput;
-                       }
-
-                       php_pqconn_notify_listeners(obj TSRMLS_CC);
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_poll, 0, 0, 0)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, poll) {
-       zend_error_handling zeh;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters_none();
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else if (!obj->intern->poller) {
-                       throw_exce(EX_RUNTIME TSRMLS_CC, "No asynchronous operation active");
-               } else {
-                       if (obj->intern->poller == PQconsumeInput) {
-                               RETVAL_LONG(obj->intern->poller(obj->intern->conn) * PGRES_POLLING_OK);
-                       } else {
-                               RETVAL_LONG(obj->intern->poller(obj->intern->conn));
-                       }
-                       php_pqconn_notify_listeners(obj TSRMLS_CC);
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_exec, 0, 0, 1)
-       ZEND_ARG_INFO(0, query)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, exec) {
-       zend_error_handling zeh;
-       char *query_str;
-       int query_len;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &query_str, &query_len);
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else {
-                       PGresult *res = PQexec(obj->intern->conn, query_str);
-
-                       if (!res) {
-                               throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to execute query (%s)", PHP_PQerrorMessage(obj->intern->conn));
-                       } else if (SUCCESS == php_pqres_success(res TSRMLS_CC)) {
-                               php_pq_object_to_zval_no_addref(PQresultInstanceData(res, php_pqconn_event), &return_value TSRMLS_CC);
-                       } else {
-                               PHP_PQclear(res);
-                       }
-
-                       php_pqconn_notify_listeners(obj TSRMLS_CC);
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_get_result, 0, 0, 0)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, getResult) {
-       zend_error_handling zeh;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters_none();
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connectio not initialized");
-               } else {
-                       PGresult *res = PQgetResult(obj->intern->conn);
-
-                       if (!res) {
-                               RETVAL_NULL();
-                       } else {
-                               php_pq_object_to_zval_no_addref(PQresultInstanceData(res, php_pqconn_event), &return_value TSRMLS_CC);
-                       }
-
-                       php_pqconn_notify_listeners(obj TSRMLS_CC);
-               }
-       }
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_exec_async, 0, 0, 1)
-       ZEND_ARG_INFO(0, query)
-       ZEND_ARG_INFO(0, callable)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, execAsync) {
-       zend_error_handling zeh;
-       php_pq_callback_t resolver = {{0}};
-       char *query_str;
-       int query_len;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|f", &query_str, &query_len, &resolver.fci, &resolver.fcc);
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else if (!PQsendQuery(obj->intern->conn, query_str)) {
-                       throw_exce(EX_IO TSRMLS_CC, "Failed to execute query (%s)", PHP_PQerrorMessage(obj->intern->conn));
-               } else if (obj->intern->unbuffered && !PQsetSingleRowMode(obj->intern->conn)) {
-                       throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to enable unbuffered mode (%s)", PHP_PQerrorMessage(obj->intern->conn));
-               } else {
-                       obj->intern->poller = PQconsumeInput;
-                       php_pq_callback_dtor(&obj->intern->onevent);
-                       if (resolver.fci.size > 0) {
-                               obj->intern->onevent = resolver;
-                               php_pq_callback_addref(&obj->intern->onevent);
-                       }
-                       php_pqconn_notify_listeners(obj TSRMLS_CC);
-               }
-       }
-}
-
-static int apply_to_oid(void *p, void *arg TSRMLS_DC)
-{
-       Oid **types = arg;
-       zval **ztype = p;
-
-       if (Z_TYPE_PP(ztype) != IS_LONG) {
-               convert_to_long_ex(ztype);
-       }
-
-       **types = Z_LVAL_PP(ztype);
-       ++*types;
-
-       if (*ztype != *(zval **)p) {
-               zval_ptr_dtor(ztype);
-       }
-       return ZEND_HASH_APPLY_KEEP;
-}
-
-static int apply_to_param(void *p TSRMLS_DC, int argc, va_list argv, zend_hash_key *key)
-{
-       char ***params;
-       HashTable *zdtor;
-       zval **zparam = p;
-
-       params = (char ***) va_arg(argv, char ***);
-       zdtor = (HashTable *) va_arg(argv, HashTable *);
-
-       if (Z_TYPE_PP(zparam) == IS_NULL) {
-               **params = NULL;
-               ++*params;
-       } else {
-               if (Z_TYPE_PP(zparam) != IS_STRING) {
-                       convert_to_string_ex(zparam);
-               }
-
-               **params = Z_STRVAL_PP(zparam);
-               ++*params;
-
-               if (*zparam != *(zval **)p) {
-                       zend_hash_next_index_insert(zdtor, zparam, sizeof(zval *), NULL);
-               }
-       }
-       return ZEND_HASH_APPLY_KEEP;
-}
-
-static int php_pq_types_to_array(HashTable *ht, Oid **types TSRMLS_DC)
-{
-       int count = zend_hash_num_elements(ht);
-       
-       *types = NULL;
-
-       if (count) {
-               Oid *tmp;
-
-               /* +1 for when less types than params are specified */
-               *types = tmp = ecalloc(count + 1, sizeof(**types));
-               zend_hash_apply_with_argument(ht, apply_to_oid, &tmp TSRMLS_CC);
-       }
-       
-       return count;
-}
-
-static int php_pq_params_to_array(HashTable *ht, char ***params, HashTable *zdtor TSRMLS_DC)
-{
-       int count = zend_hash_num_elements(ht);
-       
-       *params = NULL;
-
-       if (count) {
-               char **tmp;
-
-               *params = tmp = ecalloc(count, sizeof(char *));
-               zend_hash_apply_with_arguments(ht TSRMLS_CC, apply_to_param, 2, &tmp, zdtor);
-       }
-       
-       return count;
-}
-/*
-static Oid *php_pq_ntypes_to_array(zend_bool fill, int argc, ...)
-{
-       int i;
-       Oid *oids = ecalloc(argc + 1, sizeof(*oids));
-       va_list argv;
-
-       va_start(argv, argc);
-       for (i = 0; i < argc; ++i) {
-               if (!fill || !i) {
-                       oids[i] = va_arg(argv, Oid);
-               } else {
-                       oids[i] = oids[0];
-               }
-       }
-       va_end(argv);
-
-       return oids;
-}
-*/
-ZEND_BEGIN_ARG_INFO_EX(ai_pqconn_exec_params, 0, 0, 2)
-       ZEND_ARG_INFO(0, query)
-       ZEND_ARG_ARRAY_INFO(0, params, 0)
-       ZEND_ARG_ARRAY_INFO(0, types, 1)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(pqconn, execParams) {
-       zend_error_handling zeh;
-       char *query_str;
-       int query_len;
-       zval *zparams;
-       zval *ztypes = NULL;
-       STATUS rv;
-
-       zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
-       rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sa/|a/!", &query_str, &query_len, &zparams, &ztypes);
-       zend_restore_error_handling(&zeh TSRMLS_CC);
-
-       if (SUCCESS == rv) {
-               php_pqconn_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
-               if (!obj->intern) {
-                       throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized");
-               } else {
-                       PGresult *res;
-                       int count;
-                       Oid *types = NULL;
-                       char **params = NULL;
-                       HashTable zdtor;
-
-                       ZEND_INIT_SYMTABLE(&zdtor);
-                       count = php_pq_params_to_array(Z_ARRVAL_P(zparams), &