Drizzled Public API Documentation

rollback.cc

00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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00004  *  Copyright (C) 2009 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
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00011  *  This program is distributed in the hope that it will be useful,
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00014  *  GNU General Public License for more details.
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00020 
00021 #include <config.h>
00022 #include <drizzled/show.h>
00023 #include <drizzled/session.h>
00024 #include <drizzled/statement/rollback.h>
00025 
00026 namespace drizzled
00027 {
00028 
00029 namespace statement
00030 {
00031 
00032 Rollback::Rollback(Session *in_session, bool tx_chain_arg, bool tx_release_arg) :
00033   Statement(in_session),
00034   tx_chain(tx_chain_arg),
00035   tx_release(tx_release_arg)
00036   {
00037     set_command(SQLCOM_ROLLBACK);
00038   }
00039 
00040 bool Rollback::execute()
00041 {
00042   if (not session().endTransaction(tx_release ? ROLLBACK_RELEASE : tx_chain ? ROLLBACK_AND_CHAIN : ROLLBACK))
00043   {
00044     return true;
00045   }
00046   session().my_ok();
00047 
00048   return false;
00049 }
00050 
00051 } /* namespace statement */
00052 } /* namespace drizzled */