mysql5/mysql-5.7.27/sql/ndb_thd.cc

95 lines
2.3 KiB
C++

/*
Copyright (c) 2011, 2013, 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
*/
#ifndef MYSQL_SERVER
#define MYSQL_SERVER
#endif
#include "ha_ndbcluster_glue.h"
#include "ndb_thd.h"
#include "ndb_thd_ndb.h"
/*
Make sure THD has a Thd_ndb struct allocated and associated
- validate_ndb, check if the Ndb object need to be recycled
*/
Ndb* check_ndb_in_thd(THD* thd, bool validate_ndb)
{
Thd_ndb *thd_ndb= get_thd_ndb(thd);
if (!thd_ndb)
{
if (!(thd_ndb= Thd_ndb::seize(thd)))
return NULL;
thd_set_thd_ndb(thd, thd_ndb);
}
else if (validate_ndb && !thd_ndb->valid_ndb())
{
if (!thd_ndb->recycle_ndb())
return NULL;
}
DBUG_ASSERT(thd_ndb->is_slave_thread() == thd->slave_thread);
return thd_ndb->ndb;
}
#include <sql_class.h>
void
thd_print_warning_list(THD* thd, const char* prefix)
{
Diagnostics_area::Sql_condition_iterator
it(thd->get_stmt_da()->sql_conditions());
const Sql_condition *err;
while ((err= it++))
{
sql_print_warning("%s: (%d)%s",
prefix,
err->mysql_errno(),
err->message_text());
}
}
bool
applying_binlog(const THD* thd)
{
if (thd->slave_thread)
{
DBUG_PRINT("info", ("THD is slave thread"));
return true;
}
if (thd->rli_fake)
{
/*
Thread is in "pseudo_slave_mode" which is entered implicitly when the
first BINLOG statement is executed (see 'mysql_client_binlog_statement')
and explicitly ended when SET @pseudo_slave_mode=0 is finally executed.
*/
DBUG_PRINT("info", ("THD is in pseduo slave mode"));
return true;
}
return false;
}