/* Copyright (c) 2000-2006, 2008 MySQL AB
   
   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 Street, Fifth Floor, Boston, MA  02110-1301, USA */


/* Execute DO statement */

#include "mysql_priv.h"

bool mysql_do(THD *thd, List<Item> &values)
{
  List_iterator<Item> li(values);
  Item *value;
  DBUG_ENTER("mysql_do");
  if (setup_fields(thd, 0, values, MARK_COLUMNS_NONE, 0, 0))
    DBUG_RETURN(TRUE);
  while ((value = li++))
    value->val_int();
  free_underlaid_joins(thd, &thd->lex->select_lex);

  if (thd->is_error())
  {
    /*
      Rollback the effect of the statement, since next instruction
      will clear the error and the rollback in the end of
      dispatch_command() won't work.
    */
    ha_autocommit_or_rollback(thd, thd->is_error());
    thd->clear_error(); // DO always is OK
  }
  my_ok(thd);
  DBUG_RETURN(FALSE);
}