mysql5/mysql-5.7.27/sql/rpl_transaction_ctx.cc

110 lines
3.5 KiB
C++

/* Copyright (c) 2014, 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 "rpl_transaction_ctx.h"
#include "mysqld_thd_manager.h" // Global_THD_manager
#include "rpl_gtid.h" // rpl_sidno
#include "sql_class.h" // THD
#include "sql_parse.h" // Find_thd_with_id
Rpl_transaction_ctx::Rpl_transaction_ctx()
{
DBUG_ENTER("Rpl_transaction_ctx::Rpl_transaction_ctx");
cleanup();
DBUG_VOID_RETURN;
}
void Rpl_transaction_ctx::cleanup()
{
DBUG_ENTER("Rpl_transaction_ctx::cleanup");
m_transaction_ctx.m_thread_id= 0;
m_transaction_ctx.m_flags= 0;
m_transaction_ctx.m_rollback_transaction= FALSE;
m_transaction_ctx.m_generated_gtid= FALSE;
m_transaction_ctx.m_sidno= 0;
m_transaction_ctx.m_gno= 0;
DBUG_VOID_RETURN;
}
int Rpl_transaction_ctx::set_rpl_transaction_ctx(Transaction_termination_ctx transaction_termination_ctx)
{
DBUG_ENTER("Rpl_transaction_ctx::set_verdict");
if (transaction_termination_ctx.m_generated_gtid)
{
if (transaction_termination_ctx.m_rollback_transaction ||
transaction_termination_ctx.m_sidno <= 0 ||
transaction_termination_ctx.m_gno <= 0)
DBUG_RETURN(1);
}
m_transaction_ctx= transaction_termination_ctx;
DBUG_RETURN(0);
}
bool Rpl_transaction_ctx::is_transaction_rollback()
{
DBUG_ENTER("Rpl_transaction_ctx::is_transaction_rollback");
DBUG_RETURN(m_transaction_ctx.m_rollback_transaction);
}
bool Rpl_transaction_ctx::is_generated_gtid()
{
DBUG_ENTER("Rpl_transaction_ctx::is_generated_gtid");
DBUG_RETURN(m_transaction_ctx.m_generated_gtid);
}
rpl_sidno Rpl_transaction_ctx::get_sidno()
{
DBUG_ENTER("Rpl_transaction_ctx::get_sidno");
DBUG_RETURN(m_transaction_ctx.m_sidno);
}
rpl_gno Rpl_transaction_ctx::get_gno()
{
DBUG_ENTER("Rpl_transaction_ctx::get_gno");
DBUG_RETURN(m_transaction_ctx.m_gno);
}
/**
Implementation of service_transaction_veredict, see
@file include/mysql/service_rpl_transaction_ctx.h
*/
int set_transaction_ctx(Transaction_termination_ctx transaction_termination_ctx)
{
DBUG_ENTER("set_transaction_ctx");
DBUG_PRINT("enter", ("thread_id=%lu, rollback_transaction=%d, "
"generated_gtid=%d, sidno=%d, gno=%lld",
transaction_termination_ctx.m_thread_id,
transaction_termination_ctx.m_rollback_transaction,
transaction_termination_ctx.m_generated_gtid,
transaction_termination_ctx.m_sidno,
transaction_termination_ctx.m_gno));
THD *thd= NULL;
uint error=ER_NO_SUCH_THREAD;
Find_thd_with_id find_thd_with_id(transaction_termination_ctx.m_thread_id);
thd= Global_THD_manager::get_instance()->find_thd(&find_thd_with_id);
if (thd)
{
error= thd->get_transaction()->get_rpl_transaction_ctx()->set_rpl_transaction_ctx(transaction_termination_ctx);
mysql_mutex_unlock(&thd->LOCK_thd_data);
}
DBUG_RETURN(error);
}