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