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e3d8100150
This feature allows a query execution to fallback to the server, in case query execution using the select_handler (SH) fails. In case of fallback, a warning message containing the original reason for query failure using SH is generated. To accomplish this task, SH execution is moved to an earlier step when we create the SH in create_columnstore_select_handler(), instead of the previous call to SH execution in ha_columnstore_select_handler::init_scan(). This requires some pre-requisite steps that occur in the server in JOIN::optimize() and JOIN::exec() to be performed before starting SH execution. In addition, missing test cases from MCOL-424 are also added to the MTR suite, and the corresponding fix using disable_indices_for_CEJ() is reverted back since the original fix now appears to be redundant.
123 lines
2.6 KiB
C++
123 lines
2.6 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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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 Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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//One include file to deal with all the MySQL pollution of the
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// global namespace
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//
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// Don't include ANY mysql headers anywhere except here!
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#ifndef IDB_MYSQL_H__
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#define IDB_MYSQL_H__
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#ifdef TEST_MCSCONFIG_H
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#error mcsconfig.h was included before idb_mysql.h
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#endif
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#ifdef _MSC_VER
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#include <stdint.h>
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#if _MSC_VER >= 1800
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template <class T> bool isnan(T);
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#endif
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#endif
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//#define INFINIDB_DEBUG
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//#define DEBUG_WALK_COND
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#define MYSQL_SERVER 1 //needed for definition of struct THD in mysql_priv.h
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#define USE_CALPONT_REGEX
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#undef LOG_INFO
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#ifdef _DEBUG
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#ifndef _MSC_VER
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#ifndef SAFE_MUTEX
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#define SAFE_MUTEX
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#endif
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#ifndef SAFEMALLOC
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#define SAFEMALLOC
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#endif
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#endif
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#ifndef ENABLED_DEBUG_SYNC
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#define ENABLED_DEBUG_SYNC
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#endif
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#define DBUG_ON 1
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#undef DBUG_OFF
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#else
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#undef SAFE_MUTEX
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#undef SAFEMALLOC
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#undef ENABLED_DEBUG_SYNC
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#undef DBUG_ON
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#define DBUG_OFF 1
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#endif
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#ifdef _MSC_VER
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#define MYSQL_DYNAMIC_PLUGIN
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#define DONT_DEFINE_VOID
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#ifdef ETIMEDOUT
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#undef ETIMEDOUT
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#endif
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#endif
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#include "sql_plugin.h"
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#include "sql_table.h"
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#include "sql_select.h"
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#include "mysqld_error.h"
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#include "item_windowfunc.h"
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#include "sql_cte.h"
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#include "tztime.h"
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#include "derived_handler.h"
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#include "select_handler.h"
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#include "rpl_rli.h"
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#include "my_dbug.h"
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#include "sql_show.h"
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// Now clean up the pollution as best we can...
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#include "mcsconfig_conflicting_defs_undef.h"
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#undef min
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#undef max
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#undef UNKNOWN
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#undef test
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#undef pthread_mutex_init
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#undef pthread_mutex_lock
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#undef pthread_mutex_unlock
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#undef pthread_mutex_destroy
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#undef pthread_mutex_wait
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#undef pthread_mutex_timedwait
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#undef pthread_mutex_t
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#undef pthread_cond_wait
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#undef pthread_cond_timedwait
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#undef pthread_mutex_trylock
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#undef sleep
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#undef getpid
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#undef SIZEOF_LONG
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#undef DEBUG
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#undef set_bits
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#undef likely
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namespace
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{
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inline char* idb_mysql_query_str(THD* thd)
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{
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#if MYSQL_VERSION_ID >= 50172
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return thd->query();
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#else
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return thd->query;
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#endif
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}
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}
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#endif
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// vim:ts=4 sw=4:
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