-
-
@@ -746,7 +265,7 @@ to
Determine if a keys exists.¶
+Determine if a keys exists¶
-
SYNOPSIS¶
-#include <libmemcached/memcached.h>
+SYNOPSIS¶
+-
+
- #include <libmemcached/memcached.h> +
- Compile and link with -lmemcached +
-
-
-
-memcached_return_t
memcached_exist(memcached_st *ptr, char *key, size_t *key_length)¶
+ -
+memcached_return_t
memcached_exist(memcached_st *ptr, char *key, size_t *key_length)¶
-
-
-
-memcached_return_t
memcached_exist_by_key(memcached_st *ptr, char *group_key, size_t *group_key_length, char *key, size_t *key_length)¶
- - -+
New in version 0.53.
- -
+memcached_return_t
memcached_exist_by_key(memcached_st *ptr, char *group_key, size_t *group_key_length, char *key, size_t *key_length)¶
+ +
+ + + Parameters: -
+
- ptr -- pointer to an initialized
memcached_ststruct
+ - group_key -- the key namespace +
- group_key_length -- length of the
group_keywithout any terminating zero
+ - key -- the key to check +
- key_length -- length of the
keywithout any terminating zero
+
Returns:
+memcached_return_tindicating success- ptr -- pointer to an initialized
Compile and link with -lmemcached
+
+
New in version 0.53.
+DESCRIPTION¶
-memcached_exist() can be used to check to see if a key exists. No value is returned if the key exists, or does not exist, on the server.
memcached_exist() can be used to check if a key exists.
-
-RETURN¶
-memcached_exist() sets error to
-to MEMCACHED_SUCCESS upon finding that the key exists.
-MEMCACHED_NOTFOUND will be return if the key is not found.
-
@@ -734,10 +253,10 @@ to
- Next
+ Next
- Previous
+ Previous
HOME¶
-To find out more information please check: -http://libmemcached.org/
+
+
RETURN VALUE¶
+-
+
MEMCACHED_SUCCESS
+- The key exists. +
MEMCACHED_NOTFOUND
+- The key was not found. +
SEE ALSO¶
-memcached(1) libmemcached(3) memcached_strerror(3)
+- © Copyright 2011-2020 Brian Aker, Michael Wallner + © Copyright