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Diffstat (limited to 'docs/source/libmemcached/memcached_exist.rst')
| -rw-r--r-- | docs/source/libmemcached/memcached_exist.rst | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/docs/source/libmemcached/memcached_exist.rst b/docs/source/libmemcached/memcached_exist.rst new file mode 100644 index 00000000..806efe6e --- /dev/null +++ b/docs/source/libmemcached/memcached_exist.rst @@ -0,0 +1,53 @@ +=========================== +Determine if a keys exists. +=========================== + +.. index:: object: memcached_st + +-------- +SYNOPSIS +-------- + + +#include <libmemcached/memcached.h> + +.. c:function:: memcached_return_t memcached_exist(memcached_st *ptr, char *key, size_t *key_length) + +.. c:function:: memcached_return_t memcached_exist_by_key(memcached_st *ptr, char *group_key, size_t *group_key_length, char *key, size_t *key_length) + + .. versionadded:: 0.53 + +Compile and link with -lmemcached + + +----------- +DESCRIPTION +----------- + +:c:func:`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 +------ + +:c:func:`memcached_exist()` sets error to +to :c:type:`MEMCACHED_SUCCESS` upon finding that the key exists. +:c:type:`MEMCACHED_NOTFOUND` will be return if the key is not found. + + +---- +HOME +---- + +To find out more information please check: +`http://libmemcached.org/ <http://libmemcached.org/>`_ + + +-------- +SEE ALSO +-------- + +:manpage:`memcached(1)` :manpage:`libmemcached(3)` :manpage:`memcached_strerror(3)` + + |