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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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* Copyright (C) 2009 Sun Microsystems, Inc.
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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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* 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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* 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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#include "drizzled/show.h"
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#include "drizzled/session.h"
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#include "drizzled/statement/savepoint.h"
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#include "drizzled/transaction_services.h"
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#include "drizzled/named_savepoint.h"
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bool statement::Savepoint::execute()
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if (! (getSession()->options & (OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)))
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/* AUTOCOMMIT is on and not in a BEGIN */
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getSession()->my_ok();
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* If AUTOCOMMIT is off and resource contexts are empty then we need
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* to start a transaction. It will be empty when SAVEPOINT starts the
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* transaction. Table affecting statements do this work in lockTables()
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* by calling startStatement().
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if ( (getSession()->options & OPTION_NOT_AUTOCOMMIT) &&
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(getSession()->transaction.all.getResourceContexts().empty() == true) )
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if (getSession()->startTransaction() == false)
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* Look through the savepoints. If we find one with
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* the same name, delete it.
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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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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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if (iter != savepoints.end())
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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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NamedSavepoint newsv(getSession()->lex->ident.str, getSession()->lex->ident.length);
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if (transaction_services.setSavepoint(*getSession(), newsv))
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savepoints.push_front(newsv);
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getSession()->my_ok();
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} /* namespace drizzled */