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  • Committer: Lee Bieber
  • Date: 2010-12-03 01:16:19 UTC
  • mfrom: (1819.9.81 update-innobase)
  • Revision ID: kalebral@gmail.com-20101203011619-n6v584rijwdet05b
Merge Stewart - update Innobase plugin based on InnoDB 1.1.2

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drizzled/statement/delete.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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 *  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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bool statement::Delete::execute()
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{
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  DRIZZLE_DELETE_START(getSession()->getQueryString()->c_str());
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  TableList *first_table= (TableList *) getSession()->lex->select_lex.table_list.first;
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  TableList *all_tables= getSession()->lex->query_tables;
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  Select_Lex *select_lex= &getSession()->lex->select_lex;
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  Select_Lex_Unit *unit= &getSession()->lex->unit;
 
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  DRIZZLE_DELETE_START(session->getQueryString()->c_str());
 
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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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  Select_Lex *select_lex= &session->lex->select_lex;
 
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  Select_Lex_Unit *unit= &session->lex->unit;
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  assert(first_table == all_tables && first_table != 0);
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  assert(select_lex->offset_limit == 0);
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  unit->set_limit(select_lex);
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  bool need_start_waiting= false;
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  if (! (need_start_waiting= not getSession()->wait_if_global_read_lock(0, 1)))
 
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  if (! (need_start_waiting= not session->wait_if_global_read_lock(0, 1)))
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  {
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    return true;
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  }
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  bool res= delete_query(getSession(), all_tables, select_lex->where,
 
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  bool res= mysql_delete(session, all_tables, select_lex->where,
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                         &select_lex->order_list,
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                         unit->select_limit_cnt, select_lex->options,
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                         false);
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    Release the protection against the global read lock and wake
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    everyone, who might want to set a global read lock.
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  */
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  getSession()->startWaitingGlobalReadLock();
 
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  session->startWaitingGlobalReadLock();
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  return res;
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}