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  • Committer: Monty Taylor
  • Date: 2010-03-11 18:27:20 UTC
  • mfrom: (1333 staging)
  • mto: This revision was merged to the branch mainline in revision 1348.
  • Revision ID: mordred@inaugust.com-20100311182720-hd1h87y6cb1b1mp0
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drizzled/statement/show_status.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/statement/show_status.h>
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namespace drizzled
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{
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bool statement::ShowStatus::execute()
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{
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  TableList *all_tables= session->lex->query_tables;
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  system_status_var old_status_var= session->status_var;
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  session->initial_status_var= &old_status_var;
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  bool res= execute_sqlcom_select(session, all_tables);
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  /* Don't log SHOW STATUS commands to slow query log */
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  session->server_status&= ~(SERVER_QUERY_NO_INDEX_USED |
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                             SERVER_QUERY_NO_GOOD_INDEX_USED);
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  /*
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   * Restore status variables, as we don't want 'SHOW STATUS' to
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   * cause changes.
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   */
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  pthread_mutex_lock(show_lock);
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  add_diff_to_status(&global_status_var,
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                     &session->status_var,
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                     &old_status_var);
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  session->status_var= old_status_var;
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  pthread_mutex_unlock(show_lock);
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  return res;
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}
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} /* namespace drizzled */
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