mysql5/mysql-5.7.27/client/dump/thread_specific_connection_provider.cc

59 lines
2.0 KiB
C++

/*
Copyright (c) 2015, 2016 Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "thread_specific_connection_provider.h"
using namespace Mysql::Tools::Dump;
Mysql::Tools::Base::Mysql_query_runner*
Thread_specific_connection_provider::get_runner(
Mysql::I_callable<bool, const Mysql::Tools::Base::Message_data&>*
message_handler)
{
Mysql::Tools::Base::Mysql_query_runner* runner= m_runner.get();
if (runner == NULL)
{
runner= this->create_new_runner(message_handler);
runner->run_query("SET SQL_QUOTE_SHOW_CREATE= 1");
/*
Do not allow server to make any timezone conversion even if it
has a different time zone set.
*/
runner->run_query("SET TIME_ZONE='+00:00'");
m_runner.reset(runner);
my_boost::mutex::scoped_lock lock(m_runners_created_lock);
m_runners_created.push_back(runner);
}
// Deliver copy of original runner.
return new Mysql::Tools::Base::Mysql_query_runner(*runner);
}
Thread_specific_connection_provider::Thread_specific_connection_provider(
Mysql::Tools::Base::I_connection_factory* connection_factory)
: Abstract_connection_provider(connection_factory)
{}
Thread_specific_connection_provider::~Thread_specific_connection_provider()
{
for (std::vector<Mysql::Tools::Base::Mysql_query_runner*>::iterator
it= m_runners_created.begin(); it != m_runners_created.end(); ++it)
{
delete *it;
}
}