memcached_exist_by_key – libmemcached Documentation
Synopsis
#include <libmemcached/memcached.h>
- 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.
Compile and link with -lmemcached
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.
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.
Home
To find out more information please check:
http://libmemcached.org/
See Also
memcached(1) libmemcached(3) memcached_strerror(3)
Author
Brian Aker
Copyright
2011-2013, Brian Aker DataDifferential,
http://datadifferential.com/
