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  • Committer: Brian Aker
  • Date: 2009-08-20 00:06:57 UTC
  • mfrom: (1115.3.6 captain)
  • Revision ID: brian@gaz-20090820000657-hw5twz33bw30lz4j
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drizzled/statement/update.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 <drizzled/server_includes.h>
 
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#include <drizzled/show.h>
 
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#include <drizzled/session.h>
 
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#include <drizzled/statement/update.h>
 
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using namespace drizzled;
 
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bool statement::Update::execute()
 
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{
 
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  TableList *first_table= (TableList *) session->lex->select_lex.table_list.first;
 
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  TableList *all_tables= session->lex->query_tables;
 
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  assert(first_table == all_tables && first_table != 0);
 
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  Select_Lex *select_lex= &session->lex->select_lex;
 
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  Select_Lex_Unit *unit= &session->lex->unit;
 
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  if (update_precheck(session, all_tables))
 
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  {
 
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    return true;
 
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  }
 
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  assert(select_lex->offset_limit == 0);
 
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  unit->set_limit(select_lex);
 
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  bool res= mysql_update(session, 
 
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                         all_tables,
 
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                         select_lex->item_list,
 
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                         session->lex->value_list,
 
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                         select_lex->where,
 
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                         select_lex->order_list.elements,
 
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                         (order_st *) select_lex->order_list.first,
 
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                         unit->select_limit_cnt,
 
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                         session->lex->duplicates, 
 
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                         session->lex->ignore);
 
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  return res;
 
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}