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-rw-r--r--storage/innobase/handler/ha_innodb.cc38
-rw-r--r--storage/innobase/include/trx0trx.h19
-rw-r--r--storage/innobase/lock/lock0lock.cc50
-rw-r--r--storage/innobase/row/row0sel.cc4
-rw-r--r--storage/innobase/trx/trx0roll.cc3
-rw-r--r--storage/innobase/trx/trx0trx.cc8
-rw-r--r--storage/xtradb/handler/ha_innodb.cc36
-rw-r--r--storage/xtradb/include/trx0trx.h19
-rw-r--r--storage/xtradb/lock/lock0lock.cc50
-rw-r--r--storage/xtradb/row/row0sel.cc4
-rw-r--r--storage/xtradb/trx/trx0roll.cc21
-rw-r--r--storage/xtradb/trx/trx0trx.cc17
12 files changed, 99 insertions, 170 deletions
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index c670839b5cd..21f9e9c91ef 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -4929,8 +4929,6 @@ static void innobase_kill_query(handlerton*, THD* thd, enum thd_kill_levels)
/* if victim has been signaled by BF thread and/or aborting
is already progressing, following query aborting is not necessary
any more.
- Also, BF thread should own trx mutex for the victim, which would
- conflict with trx_mutex_enter() below
*/
DBUG_VOID_RETURN;
}
@@ -4939,34 +4937,8 @@ static void innobase_kill_query(handlerton*, THD* thd, enum thd_kill_levels)
if (trx_t* trx = thd_to_trx(thd)) {
ut_ad(trx->mysql_thd == thd);
- switch (trx->abort_type) {
-#ifdef WITH_WSREP
- case TRX_WSREP_ABORT:
- break;
-#endif
- case TRX_SERVER_ABORT:
- if (!wsrep_thd_is_BF(trx->mysql_thd, FALSE)) {
- lock_mutex_enter();
- }
- /* fall through */
- case TRX_REPLICATION_ABORT:
- trx_mutex_enter(trx);
- }
/* Cancel a pending lock request if there are any */
lock_trx_handle_wait(trx);
- switch (trx->abort_type) {
-#ifdef WITH_WSREP
- case TRX_WSREP_ABORT:
- break;
-#endif
- case TRX_SERVER_ABORT:
- if (!wsrep_thd_is_BF(trx->mysql_thd, FALSE)) {
- lock_mutex_exit();
- }
- /* fall through */
- case TRX_REPLICATION_ABORT:
- trx_mutex_exit(trx);
- }
}
DBUG_VOID_RETURN;
@@ -18683,6 +18655,12 @@ wsrep_innobase_kill_one_trx(
wsrep_thd_ws_handle(thd)->trx_id);
wsrep_thd_LOCK(thd);
+
+ /* We mark this as victim transaction, which is already marked
+ as BF victim. Both trx mutex and lock_sys mutex is held until
+ this victim has aborted. */
+ victim_trx->victim = true;
+
DBUG_EXECUTE_IF("sync.wsrep_after_BF_victim_lock",
{
const char act[]=
@@ -18866,7 +18844,7 @@ wsrep_abort_transaction(
my_bool signal)
{
DBUG_ENTER("wsrep_innobase_abort_thd");
-
+
trx_t* victim_trx = thd_to_trx(victim_thd);
trx_t* bf_trx = (bf_thd) ? thd_to_trx(bf_thd) : NULL;
@@ -18878,12 +18856,10 @@ wsrep_abort_transaction(
if (victim_trx) {
lock_mutex_enter();
trx_mutex_enter(victim_trx);
- victim_trx->abort_type = TRX_WSREP_ABORT;
int rcode = wsrep_innobase_kill_one_trx(bf_thd, bf_trx,
victim_trx, signal);
trx_mutex_exit(victim_trx);
lock_mutex_exit();
- victim_trx->abort_type = TRX_SERVER_ABORT;
wsrep_srv_conc_cancel_wait(victim_trx);
DBUG_RETURN(rcode);
} else {
diff --git a/storage/innobase/include/trx0trx.h b/storage/innobase/include/trx0trx.h
index fe16b8272b8..b40c6ae4667 100644
--- a/storage/innobase/include/trx0trx.h
+++ b/storage/innobase/include/trx0trx.h
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2015, 2018, MariaDB Corporation.
+Copyright (c) 2015, 2019, MariaDB Corporation.
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
@@ -623,7 +623,6 @@ struct trx_lock_t {
lock_sys->mutex. Otherwise, this may
only be modified by the thread that is
serving the running transaction. */
-
mem_heap_t* lock_heap; /*!< memory heap for trx_locks;
protected by lock_sys->mutex */
@@ -695,14 +694,6 @@ lock_rec_convert_impl_to_expl()) will access transactions associated
to other connections. The locks of transactions are protected by
lock_sys->mutex and sometimes by trx->mutex. */
-enum trx_abort_t {
- TRX_SERVER_ABORT = 0,
-#ifdef WITH_WSREP
- TRX_WSREP_ABORT,
-#endif
- TRX_REPLICATION_ABORT
-};
-
struct trx_t{
ulint magic_n;
@@ -880,8 +871,12 @@ struct trx_t{
/*------------------------------*/
THD* mysql_thd; /*!< MySQL thread handle corresponding
to this trx, or NULL */
- trx_abort_t abort_type; /*!< Transaction abort type*/
-
+ bool victim; /*!< This transaction is
+ selected as victim for abort
+ either by replication or
+ high priority wsrep thread. This
+ field is protected by trx and
+ lock sys mutex. */
const char* mysql_log_file_name;
/*!< if MySQL binlog is used, this field
contains a pointer to the latest file
diff --git a/storage/innobase/lock/lock0lock.cc b/storage/innobase/lock/lock0lock.cc
index 3970a559a4c..ecaf6afd980 100644
--- a/storage/innobase/lock/lock0lock.cc
+++ b/storage/innobase/lock/lock0lock.cc
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2014, 2018, MariaDB Corporation.
+Copyright (c) 2014, 2019, MariaDB Corporation.
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
@@ -1793,10 +1793,8 @@ wsrep_kill_victim(
}
}
- lock->trx->abort_type = TRX_WSREP_ABORT;
wsrep_innobase_kill_one_trx(trx->mysql_thd,
(const trx_t*) trx, lock->trx, TRUE);
- lock->trx->abort_type = TRX_SERVER_ABORT;
}
}
}
@@ -4782,12 +4780,11 @@ lock_report_waiters_to_mysql(
if (w_trx->id != victim_trx_id) {
/* If thd_report_wait_for() decides to kill the
transaction, then we will get a call back into
- innobase_kill_query. We mark this by setting
- current_lock_mutex_owner, so we can avoid trying
- to recursively take lock_sys->mutex. */
- w_trx->abort_type = TRX_REPLICATION_ABORT;
+ innobase_kill_query.*/
+ trx_mutex_enter(w_trx);
+ w_trx->victim = true;
thd_report_wait_for(mysql_thd, w_trx->mysql_thd);
- w_trx->abort_type = TRX_SERVER_ABORT;
+ trx_mutex_exit(w_trx);
}
++i;
}
@@ -7967,16 +7964,7 @@ lock_trx_release_locks(
lock_mutex_exit();
}
-/*********************************************************************//**
-Check whether the transaction has already been rolled back because it
-was selected as a deadlock victim, or if it has to wait then cancel
-the wait lock.
-@return DB_DEADLOCK, DB_LOCK_WAIT or DB_SUCCESS */
-UNIV_INTERN
-dberr_t
-lock_trx_handle_wait(
-/*=================*/
- trx_t* trx) /*!< in/out: trx lock state */
+inline dberr_t lock_trx_handle_wait_low(trx_t* trx)
{
ut_ad(lock_mutex_own());
ut_ad(trx_mutex_own(trx));
@@ -7994,6 +7982,32 @@ lock_trx_handle_wait(
}
/*********************************************************************//**
+Check whether the transaction has already been rolled back because it
+was selected as a deadlock victim, or if it has to wait then cancel
+the wait lock.
+@return DB_DEADLOCK, DB_LOCK_WAIT or DB_SUCCESS */
+UNIV_INTERN
+dberr_t
+lock_trx_handle_wait(
+/*=================*/
+ trx_t* trx) /*!< in/out: trx lock state */
+{
+ if (!trx->victim) {
+ lock_mutex_enter();
+ trx_mutex_enter(trx);
+ }
+
+ dberr_t err = lock_trx_handle_wait_low(trx);
+
+ if (!trx->victim) {
+ lock_mutex_exit();
+ trx_mutex_exit(trx);
+ }
+
+ return err;
+}
+
+/*********************************************************************//**
Get the number of locks on a table.
@return number of locks */
UNIV_INTERN
diff --git a/storage/innobase/row/row0sel.cc b/storage/innobase/row/row0sel.cc
index 06bf4cc30c0..855266686e6 100644
--- a/storage/innobase/row/row0sel.cc
+++ b/storage/innobase/row/row0sel.cc
@@ -4746,11 +4746,7 @@ no_gap_lock:
a deadlock and the transaction had to wait then
release the lock it is waiting on. */
- lock_mutex_enter();
- trx_mutex_enter(trx);
err = lock_trx_handle_wait(trx);
- lock_mutex_exit();
- trx_mutex_exit(trx);
switch (err) {
case DB_SUCCESS:
diff --git a/storage/innobase/trx/trx0roll.cc b/storage/innobase/trx/trx0roll.cc
index 3fd71aff23a..127e834335d 100644
--- a/storage/innobase/trx/trx0roll.cc
+++ b/storage/innobase/trx/trx0roll.cc
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2017, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2016, 2018, MariaDB Corporation.
+Copyright (c) 2016, 2019, MariaDB Corporation.
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
@@ -370,6 +370,7 @@ trx_rollback_to_savepoint_for_mysql_low(
trx_mark_sql_stat_end(trx);
trx->op_info = "";
+ trx->victim = false;
return(err);
}
diff --git a/storage/innobase/trx/trx0trx.cc b/storage/innobase/trx/trx0trx.cc
index f36aabba8b4..98ac08a00e7 100644
--- a/storage/innobase/trx/trx0trx.cc
+++ b/storage/innobase/trx/trx0trx.cc
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2015, 2018, MariaDB Corporation.
+Copyright (c) 2015, 2019, MariaDB Corporation.
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
@@ -1339,11 +1339,7 @@ trx_commit_in_memory(
ut_ad(!trx->in_ro_trx_list);
ut_ad(!trx->in_rw_trx_list);
-#ifdef WITH_WSREP
- if (trx->mysql_thd && wsrep_on(trx->mysql_thd)) {
- trx->lock.was_chosen_as_deadlock_victim = FALSE;
- }
-#endif
+ trx->victim = false;
trx->dict_operation = TRX_DICT_OP_NONE;
trx->error_state = DB_SUCCESS;
diff --git a/storage/xtradb/handler/ha_innodb.cc b/storage/xtradb/handler/ha_innodb.cc
index d943a87ab78..853894c3977 100644
--- a/storage/xtradb/handler/ha_innodb.cc
+++ b/storage/xtradb/handler/ha_innodb.cc
@@ -5534,8 +5534,6 @@ static void innobase_kill_query(handlerton*, THD* thd, enum thd_kill_levels)
/* if victim has been signaled by BF thread and/or aborting
is already progressing, following query aborting is not necessary
any more.
- Also, BF thread should own trx mutex for the victim, which would
- conflict with trx_mutex_enter() below
*/
DBUG_VOID_RETURN;
}
@@ -5543,34 +5541,8 @@ static void innobase_kill_query(handlerton*, THD* thd, enum thd_kill_levels)
if (trx_t* trx = thd_to_trx(thd)) {
ut_ad(trx->mysql_thd == thd);
- switch (trx->abort_type) {
-#ifdef WITH_WSREP
- case TRX_WSREP_ABORT:
- break;
-#endif
- case TRX_SERVER_ABORT:
- if (!wsrep_thd_is_BF(trx->mysql_thd, FALSE)) {
- lock_mutex_enter();
- }
- /* fall through */
- case TRX_REPLICATION_ABORT:
- trx_mutex_enter(trx);
- }
/* Cancel a pending lock request if there are any */
lock_trx_handle_wait(trx);
- switch (trx->abort_type) {
-#ifdef WITH_WSREP
- case TRX_WSREP_ABORT:
- break;
-#endif
- case TRX_SERVER_ABORT:
- if (!wsrep_thd_is_BF(trx->mysql_thd, FALSE)) {
- lock_mutex_exit();
- }
- /* fall through */
- case TRX_REPLICATION_ABORT:
- trx_mutex_exit(trx);
- }
}
DBUG_VOID_RETURN;
@@ -19723,6 +19695,12 @@ wsrep_innobase_kill_one_trx(
(thd && wsrep_thd_query(thd)) ? wsrep_thd_query(thd) : "void");
wsrep_thd_LOCK(thd);
+
+ /* We mark this as victim transaction, which is already marked
+ as BF victim. Both trx mutex and lock_sys mutex is held until
+ this victim has aborted. */
+ victim_trx->victim = true;
+
DBUG_EXECUTE_IF("sync.wsrep_after_BF_victim_lock",
{
const char act[]=
@@ -19911,12 +19889,10 @@ wsrep_abort_transaction(handlerton* hton, THD *bf_thd, THD *victim_thd,
if (victim_trx) {
lock_mutex_enter();
trx_mutex_enter(victim_trx);
- victim_trx->abort_type = TRX_WSREP_ABORT;
int rcode = wsrep_innobase_kill_one_trx(bf_thd, bf_trx,
victim_trx, signal);
trx_mutex_exit(victim_trx);
lock_mutex_exit();
- victim_trx->abort_type = TRX_SERVER_ABORT;
wsrep_srv_conc_cancel_wait(victim_trx);
DBUG_RETURN(rcode);
} else {
diff --git a/storage/xtradb/include/trx0trx.h b/storage/xtradb/include/trx0trx.h
index 77afde4c35c..df01284af05 100644
--- a/storage/xtradb/include/trx0trx.h
+++ b/storage/xtradb/include/trx0trx.h
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2015, 2018, MariaDB Corporation.
+Copyright (c) 2015, 2019, MariaDB Corporation.
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
@@ -672,7 +672,6 @@ struct trx_lock_t {
lock_sys->mutex. Otherwise, this may
only be modified by the thread that is
serving the running transaction. */
-
mem_heap_t* lock_heap; /*!< memory heap for trx_locks;
protected by lock_sys->mutex */
@@ -744,14 +743,6 @@ lock_rec_convert_impl_to_expl()) will access transactions associated
to other connections. The locks of transactions are protected by
lock_sys->mutex and sometimes by trx->mutex. */
-enum trx_abort_t {
- TRX_SERVER_ABORT = 0,
-#ifdef WITH_WSREP
- TRX_WSREP_ABORT,
-#endif
- TRX_REPLICATION_ABORT
-};
-
struct trx_t{
ulint magic_n;
@@ -930,8 +921,12 @@ struct trx_t{
/*------------------------------*/
THD* mysql_thd; /*!< MySQL thread handle corresponding
to this trx, or NULL */
- trx_abort_t abort_type; /*!< Transaction abort type */
-
+ bool victim; /*!< This transaction is
+ selected as victim for abort
+ either by replication or
+ high priority wsrep thread. This
+ field is protected by trx and
+ lock sys mutex. */
const char* mysql_log_file_name;
/*!< if MySQL binlog is used, this field
contains a pointer to the latest file
diff --git a/storage/xtradb/lock/lock0lock.cc b/storage/xtradb/lock/lock0lock.cc
index 2183d281b78..60db0283e4e 100644
--- a/storage/xtradb/lock/lock0lock.cc
+++ b/storage/xtradb/lock/lock0lock.cc
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2014, 2018, MariaDB Corporation.
+Copyright (c) 2014, 2019, MariaDB Corporation.
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
@@ -1804,10 +1804,8 @@ wsrep_kill_victim(
}
}
- lock->trx->abort_type = TRX_WSREP_ABORT;
wsrep_innobase_kill_one_trx(trx->mysql_thd,
(const trx_t*) trx, lock->trx, TRUE);
- lock->trx->abort_type = TRX_SERVER_ABORT;
}
}
}
@@ -4821,12 +4819,11 @@ lock_report_waiters_to_mysql(
if (w_trx->id != victim_trx_id) {
/* If thd_report_wait_for() decides to kill the
transaction, then we will get a call back into
- innobase_kill_query. We mark this by setting
- current_lock_mutex_owner, so we can avoid trying
- to recursively take lock_sys->mutex. */
- w_trx->abort_type = TRX_REPLICATION_ABORT;
+ innobase_kill_query.*/
+ trx_mutex_enter(w_trx);
+ w_trx->victim = true;
thd_report_wait_for(mysql_thd, w_trx->mysql_thd);
- w_trx->abort_type = TRX_SERVER_ABORT;
+ trx_mutex_exit(w_trx);
}
++i;
}
@@ -8077,16 +8074,7 @@ lock_trx_release_locks(
lock_mutex_exit();
}
-/*********************************************************************//**
-Check whether the transaction has already been rolled back because it
-was selected as a deadlock victim, or if it has to wait then cancel
-the wait lock.
-@return DB_DEADLOCK, DB_LOCK_WAIT or DB_SUCCESS */
-UNIV_INTERN
-dberr_t
-lock_trx_handle_wait(
-/*=================*/
- trx_t* trx) /*!< in/out: trx lock state */
+inline dberr_t lock_trx_handle_wait_low(trx_t* trx)
{
ut_ad(lock_mutex_own());
ut_ad(trx_mutex_own(trx));
@@ -8104,6 +8092,32 @@ lock_trx_handle_wait(
}
/*********************************************************************//**
+Check whether the transaction has already been rolled back because it
+was selected as a deadlock victim, or if it has to wait then cancel
+the wait lock.
+@return DB_DEADLOCK, DB_LOCK_WAIT or DB_SUCCESS */
+UNIV_INTERN
+dberr_t
+lock_trx_handle_wait(
+/*=================*/
+ trx_t* trx) /*!< in/out: trx lock state */
+{
+ if (!trx->victim) {
+ lock_mutex_enter();
+ trx_mutex_enter(trx);
+ }
+
+ dberr_t err = lock_trx_handle_wait_low(trx);
+
+ if (!trx->victim) {
+ lock_mutex_exit();
+ trx_mutex_exit(trx);
+ }
+
+ return err;
+}
+
+/*********************************************************************//**
Get the number of locks on a table.
@return number of locks */
UNIV_INTERN
diff --git a/storage/xtradb/row/row0sel.cc b/storage/xtradb/row/row0sel.cc
index b6b5d107885..87bc2aa2875 100644
--- a/storage/xtradb/row/row0sel.cc
+++ b/storage/xtradb/row/row0sel.cc
@@ -4755,11 +4755,7 @@ no_gap_lock:
a deadlock and the transaction had to wait then
release the lock it is waiting on. */
- lock_mutex_enter();
- trx_mutex_enter(trx);
err = lock_trx_handle_wait(trx);
- lock_mutex_exit();
- trx_mutex_exit(trx);
switch (err) {
case DB_SUCCESS:
diff --git a/storage/xtradb/trx/trx0roll.cc b/storage/xtradb/trx/trx0roll.cc
index 56b7120fa34..127e834335d 100644
--- a/storage/xtradb/trx/trx0roll.cc
+++ b/storage/xtradb/trx/trx0roll.cc
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2017, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2016, 2018, MariaDB Corporation.
+Copyright (c) 2016, 2019, MariaDB Corporation.
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
@@ -33,8 +33,6 @@ Created 3/26/1996 Heikki Tuuri
#include "trx0roll.ic"
#endif
-#include <mysql/service_wsrep.h>
-
#include "fsp0fsp.h"
#include "mach0data.h"
#include "trx0rseg.h"
@@ -51,9 +49,6 @@ Created 3/26/1996 Heikki Tuuri
#include "pars0pars.h"
#include "srv0mon.h"
#include "trx0sys.h"
-#ifdef WITH_WSREP
-#include "ha_prototypes.h"
-#endif /* WITH_WSREP */
/** This many pages must be undone before a truncate is tried within
rollback */
@@ -375,13 +370,7 @@ trx_rollback_to_savepoint_for_mysql_low(
trx_mark_sql_stat_end(trx);
trx->op_info = "";
-
-#ifdef WITH_WSREP
- if (wsrep_on(trx->mysql_thd) &&
- trx->lock.was_chosen_as_deadlock_victim) {
- trx->lock.was_chosen_as_deadlock_victim = FALSE;
- }
-#endif
+ trx->victim = false;
return(err);
}
@@ -1079,12 +1068,6 @@ trx_roll_try_truncate(
if (trx->update_undo) {
trx_undo_truncate_end(trx, trx->update_undo, limit);
}
-
-#ifdef WITH_WSREP_OUT
- if (wsrep_on(trx->mysql_thd)) {
- trx->lock.was_chosen_as_deadlock_victim = FALSE;
- }
-#endif /* WITH_WSREP */
}
/***********************************************************************//**
diff --git a/storage/xtradb/trx/trx0trx.cc b/storage/xtradb/trx/trx0trx.cc
index 17cba81daf3..8ca247fadc8 100644
--- a/storage/xtradb/trx/trx0trx.cc
+++ b/storage/xtradb/trx/trx0trx.cc
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2015, 2018, MariaDB Corporation.
+Copyright (c) 2015, 2019, MariaDB Corporation.
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
@@ -1563,11 +1563,7 @@ trx_commit_in_memory(
ut_ad(!trx->in_ro_trx_list);
ut_ad(!trx->in_rw_trx_list);
-#ifdef WITH_WSREP
- if (trx->mysql_thd && wsrep_on(trx->mysql_thd)) {
- trx->lock.was_chosen_as_deadlock_victim = FALSE;
- }
-#endif
+ trx->victim = false;
trx->dict_operation = TRX_DICT_OP_NONE;
trx->error_state = DB_SUCCESS;
@@ -2668,10 +2664,6 @@ trx_start_if_not_started_low(
{
switch (trx->state) {
case TRX_STATE_NOT_STARTED:
-#ifdef WITH_WSREP
- ut_d(trx->start_file = __FILE__);
- ut_d(trx->start_line = __LINE__);
-#endif /* WITH_WSREP */
trx_start_low(trx);
/* fall through */
case TRX_STATE_ACTIVE:
@@ -2705,11 +2697,6 @@ trx_start_for_ddl_low(
trx->will_lock = 1;
trx->ddl = true;
-
-#ifdef WITH_WSREP
- ut_d(trx->start_file = __FILE__);
- ut_d(trx->start_line = __LINE__);
-#endif /* WITH_WSREP */
trx_start_low(trx);
return;
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