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MEMCACHED_EXIST_BY_KEY(3) libmemcached MEMCACHED_EXIST_BY_KEY(3)

memcached_exist_by_key - libmemcached Documentation

#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

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() sets error to to MEMCACHED_SUCCESS upon finding that the key exists. MEMCACHED_NOTFOUND will be return if the key is not found.

To find out more information please check: http://libmemcached.org/

memcached(1) libmemcached(3) memcached_strerror(3)

Brian Aker

2011-2013, Brian Aker DataDifferential, http://datadifferential.com/
February 9, 2014 1.0.18

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