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===========================
Deleting data from a server
===========================
.. index:: object: memcached_st
--------
SYNOPSIS
--------
#include <libmemcached/memcached.h>
.. c:function:: memcached_return_t memcached_delete (memcached_st *ptr, const char *key, size_t key_length, time_t expiration)
.. c:function:: memcached_return_t memcached_delete_by_key (memcached_st *ptr, const char *group_key, size_t group_key_length, const char *key, size_t key_length, time_t expiration)
Compile and link with -lmemcached
-----------
DESCRIPTION
-----------
:c:func:`memcached_delete` is used to delete a particular key.
:c:func:`memcached_delete_by_key` works the same, but it takes a master key
to find the given value.
Expiration works by placing the item into a delete queue, which means that
it won't be possible to retrieve it by the "get" command. The "add" and
"replace" commands with this key will also fail (the "set" command will
succeed, however). After the time passes, the item is finally deleted from server memory.
Please note the the Danga memcached server removed tests for expiration in
the 1.4 version.
------
RETURN
------
A value of type :c:type:`memcached_return_t` is returned
On success that value will be :c:type:`MEMCACHED_SUCCESS`.
Use :c:func:`memcached_strerror` to translate this value to a printable
string.
If you are using the non-blocking mode of the library, success only
means that the message was queued for delivery.
----
HOME
----
To find out more information please check:
`http://libmemcached.org/ <http://libmemcached.org/>`_
------
AUTHOR
------
Brian Aker, <brian@tangent.org>
--------
SEE ALSO
--------
:manpage:`memcached(1)` :manpage:`libmemcached(3)` :manpage:`memcached_strerror(3)`
|
