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/*
-*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
* Definitions required for Query Cache plugin
* Copyright (C) 2008 Mark Atwood, Toru Maesaka
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_PLUGIN_QCACHE_H
#define DRIZZLED_PLUGIN_QCACHE_H
/*
This is the API that a qcache plugin must implement.
it should implement each of these function pointers.
if a function pointer is NULL (not loaded), that's ok.
Return:
false = success
true = failure
*/
typedef struct qcache_st
{
/* Lookup the cache and transmit the data back to the client */
bool (*qcache_try_fetch_and_send)(Session *session, bool transactional);
bool (*qcache_set)(Session *session, bool transactional);
bool (*qcache_invalidate_table)(Session *session, bool transactional);
bool (*qcache_invalidate_db)(Session *session, const char *db_name,
bool transactional);
bool (*qcache_flush)(Session *session);
} qcache_t;
#endif /* DRIZZLED_PLUGIN_QCACHE_H */
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