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  • Committer: Monty Taylor
  • Date: 2009-04-25 20:45:19 UTC
  • mto: (997.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 1003.
  • Revision ID: mordred@inaugust.com-20090425204519-lgrl7mz2r66v0jby
Blackhole.

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drizzled/statement/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
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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->global_read_lock)
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  {
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    unlock_global_read_lock(session);
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  }
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  session->my_ok();
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  return false;
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}
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} /* namespace drizzled */
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