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drizzled/statement/release_savepoint.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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 *
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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/release_savepoint.h>
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#include "drizzled/transaction_services.h"
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#include "drizzled/named_savepoint.h"
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#include <string>
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using namespace std;
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namespace drizzled
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{
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bool statement::ReleaseSavepoint::execute()
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{
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  /*
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   * Look through the deque of savepoints.  If we
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   * find one with the same name, we release it and
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   * unbind it from our deque.
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   */
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  TransactionServices &transaction_services= TransactionServices::singleton();
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  deque<NamedSavepoint> &savepoints= getSession()->transaction.savepoints;
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  deque<NamedSavepoint>::iterator iter;
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  for (iter= savepoints.begin();
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       iter != savepoints.end();
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       ++iter)
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  {
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    NamedSavepoint &sv= *iter;
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    const string &sv_name= sv.getName();
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    if (my_strnncoll(system_charset_info,
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                     (unsigned char *) getSession()->lex->ident.str,
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                     getSession()->lex->ident.length,
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                     (unsigned char *) sv_name.c_str(),
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                     sv_name.size()) == 0)
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      break;
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  }
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  if (iter != savepoints.end())
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  {
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    NamedSavepoint &sv= *iter;
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    (void) transaction_services.releaseSavepoint(*getSession(), sv);
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    savepoints.erase(iter);
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    getSession()->my_ok();
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  }
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  else
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  {
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    my_error(ER_SP_DOES_NOT_EXIST, 
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             MYF(0), 
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             "SAVEPOINT", 
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             getSession()->lex->ident.str);
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  }
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  return false;
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}
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} /* namespace drizzled */