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unlock_tables.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2009 Sun Microsystems, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <config.h>
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#include <
drizzled/show.h
>
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#include <drizzled/session.h>
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#include <drizzled/lock.h>
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#include <drizzled/statement/unlock_tables.h>
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namespace
drizzled
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{
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bool
statement::UnlockTables::execute
()
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{
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/*
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It is critical for mysqldump --single-transaction --master-data that
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UNLOCK TABLES does not implicitely commit a connection which has only
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done FLUSH TABLES WITH READ LOCK + BEGIN. If this assumption becomes
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false, mysqldump will not work.
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*/
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if
(session().isGlobalReadLock())
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{
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session().unlockGlobalReadLock();
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session().
my_ok
();
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}
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else
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{
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my_error(ER_NO_LOCK_HELD, MYF(0));
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}
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return
false
;
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}
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}
/* namespace drizzled */
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drizzled
statement
unlock_tables.cc
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