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Commit eb872ceb authored by Teemu Ollakka's avatar Teemu Ollakka Committed by Jan Lindström
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Fixed wsrep replaying for stored procedures (#1256) 

- Changed replaying to always allocate a separate THD object
  for applying log events. This is to avoid tampering original
  THD state during replay process.
- Return success from sp_instr_stmt::exec_core() if replaying
  succeeds.
- Do not push warnings/errors into diagnostics area if the
  transaction must be replayed. This is to avoid reporting
  transient errors to the client.

Added two tests galera_sp_bf_abort, galera_sp_insert_parallel.
Wsrep-lib position updated.
parent fe62ff6e
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Showing with 579 additions and 74 deletions
mysql-test/suite/galera/r/galera_sp_bf_abort.result 0 → 100644
View file @ eb872ceb
connection node_2;
connection node_1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1));
connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connection node_1a;
SET SESSION wsrep_sync_wait = 0;
connection node_1;
CREATE PROCEDURE proc_update_insert()
BEGIN
UPDATE t1 SET f2 = 'b';
INSERT INTO t1 VALUES (4, 'd');
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_update_insert;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 b
2 c
3 b
4 d
wsrep_local_replays
1
DELETE FROM t1;
connection node_1;
CREATE PROCEDURE proc_update_insert_with_exit_handler()
BEGIN
DECLARE EXIT HANDLER FOR SQLEXCEPTION BEGIN END;
UPDATE t1 SET f2 = 'b';
INSERT INTO t1 VALUES (4, 'd');
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_update_insert_with_exit_handler;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 b
2 c
3 b
4 d
wsrep_local_replays
1
DELETE FROM t1;
connection node_1;
CREATE PROCEDURE proc_update_insert_with_continue_handler()
BEGIN
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
UPDATE t1 SET f2 = 'b';
INSERT INTO t1 VALUES (4, 'd');
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_update_insert_with_continue_handler;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 b
2 c
3 b
4 d
wsrep_local_replays
1
DELETE FROM t1;
connection node_1;
CREATE PROCEDURE proc_update_insert_transaction()
BEGIN
START TRANSACTION;
UPDATE t1 SET f2 = 'b';
INSERT INTO t1 VALUES (4, 'd');
COMMIT;
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_update_insert_transaction;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 b
2 c
3 b
4 d
wsrep_local_replays
1
DELETE FROM t1;
connection node_1;
CREATE PROCEDURE proc_update_insert_transaction_with_continue_handler()
BEGIN
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
START TRANSACTION;
UPDATE t1 SET f2 = 'b';
INSERT INTO t1 VALUES (4, 'd');
COMMIT;
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_update_insert_transaction_with_continue_handler;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 b
2 c
3 b
4 d
wsrep_local_replays
1
DELETE FROM t1;
connection node_1;
CREATE PROCEDURE proc_update_insert_transaction_with_exit_handler()
BEGIN
DECLARE EXIT HANDLER FOR SQLEXCEPTION BEGIN END;
START TRANSACTION;
UPDATE t1 SET f2 = 'b';
INSERT INTO t1 VALUES (4, 'd');
COMMIT;
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_update_insert_transaction_with_exit_handler;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 b
2 c
3 b
4 d
wsrep_local_replays
1
DELETE FROM t1;
connection node_1;
CREATE PROCEDURE proc_insert_insert_conflict()
BEGIN
INSERT INTO t1 VALUES (2, 'd');
INSERT INTO t1 VALUES (4, 'd');
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_insert_insert_conflict;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
Got one of the listed errors
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 a
2 c
3 a
wsrep_local_replays
1
DELETE FROM t1;
connection node_1;
CREATE PROCEDURE proc_insert_insert_conflict_with_exit_handler()
BEGIN
DECLARE EXIT HANDLER FOR SQLEXCEPTION SELECT "Conflict exit handler";
INSERT INTO t1 VALUES (2, 'd');
INSERT INTO t1 VALUES (4, 'd');
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_insert_insert_conflict_with_exit_handler;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
Conflict exit handler
Conflict exit handler
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 a
2 c
3 a
wsrep_local_replays
1
DELETE FROM t1;
connection node_1;
CREATE PROCEDURE proc_insert_insert_conflict_with_continue_handler()
BEGIN
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SELECT "Conflict continue handler";
INSERT INTO t1 VALUES (2, 'd');
INSERT INTO t1 VALUES (4, 'd');
END|
INSERT INTO t1 VALUES (1, 'a'), (3, 'a');
SET SESSION wsrep_sync_wait = 0;
connection node_1a;
SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
connection node_2;
INSERT INTO t1 VALUES (2, 'c');
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'dbug=d,after_replicate_sync';
connection node_1;
CALL proc_insert_insert_conflict_with_continue_handler;
connection node_1a;
SET SESSION wsrep_on = 0;
SET SESSION wsrep_on = 1;
SET GLOBAL wsrep_provider_options = 'dbug=';
SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
SET GLOBAL wsrep_provider_options = 'signal=after_replicate_sync';
connection node_1;
Conflict continue handler
Conflict continue handler
SET SESSION wsrep_sync_wait = default;
SELECT * FROM t1;
f1 f2
1 a
2 c
3 a
4 d
wsrep_local_replays
1
DELETE FROM t1;
DROP PROCEDURE proc_update_insert;
DROP PROCEDURE proc_update_insert_with_continue_handler;
DROP PROCEDURE proc_update_insert_with_exit_handler;
DROP PROCEDURE proc_update_insert_transaction;
DROP PROCEDURE proc_update_insert_transaction_with_continue_handler;
DROP PROCEDURE proc_update_insert_transaction_with_exit_handler;
DROP PROCEDURE proc_insert_insert_conflict;
DROP PROCEDURE proc_insert_insert_conflict_with_exit_handler;
DROP PROCEDURE proc_insert_insert_conflict_with_continue_handler;
DROP TABLE t1;
mysql-test/suite/galera/r/galera_sp_insert_parallel.result 0 → 100644
View file @ eb872ceb
connection node_2;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB;
CREATE PROCEDURE proc_insert()
BEGIN
DECLARE i INT;
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
SET i = 0;
WHILE i < 1000 DO
INSERT IGNORE INTO t1 (f1, f2)
VALUES (FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15));
SET i = i + 1;
END WHILE;
END|
connection node_1;
SELECT 0;
0
0
SET SESSION wsrep_sync_wait = 0;
CALL proc_insert;
connection node_2;
SELECT 0;
0
0
SET SESSION wsrep_sync_wait = 0;
CALL proc_insert;
connection node_1;
SET SESSION wsrep_sync_wait = default;
connection node_2;
SET SESSION wsrep_sync_wait = default;
connection node_1;
DROP PROCEDURE proc_insert;
DROP TABLE t1;
mysql-test/suite/galera/t/galera_sp_insert_parallel.test 0 → 100644
View file @ eb872ceb
--source include/galera_cluster.inc
--source include/have_innodb.inc
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 INTEGER) ENGINE=InnoDB;
DELIMITER |;
CREATE PROCEDURE proc_insert()
BEGIN
DECLARE i INT;
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;
SET i = 0;
WHILE i < 1000 DO
INSERT IGNORE INTO t1 (f1, f2)
VALUES (FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15)),
(FLOOR(1 + RAND() * 65535), FLOOR(1 + RAND() * 15));
SET i = i + 1;
END WHILE;
END|
DELIMITER ;|
--connection node_1
SELECT 0;
SET SESSION wsrep_sync_wait = 0;
--send CALL proc_insert
--connection node_2
SELECT 0;
SET SESSION wsrep_sync_wait = 0;
--send CALL proc_insert
--connection node_1
--error 0,ER_LOCK_DEADLOCK,ER_QUERY_INTERRUPTED
--disable_warnings
--reap
--enable_warnings
SET SESSION wsrep_sync_wait = default;
--connection node_2
--error 0,ER_LOCK_DEADLOCK,ER_QUERY_INTERRUPTED
--disable_warnings
--reap
--enable_warnings
SET SESSION wsrep_sync_wait = default;
--connection node_1
DROP PROCEDURE proc_insert;
DROP TABLE t1;
sql/sp_head.cc
View file @ eb872ceb
......@@ -3605,6 +3605,8 @@ sp_instr_stmt::exec_core(THD *thd, uint *nextp)
3);
int res= mysql_execute_command(thd);
#ifdef WITH_WSREP
if (WSREP(thd))
{
if ((thd->is_fatal_error || thd->killed_errno()) &&
(thd->wsrep_trx().state() == wsrep::transaction::s_executing))
{
......@@ -3619,7 +3621,14 @@ sp_instr_stmt::exec_core(THD *thd, uint *nextp)
}
else
{
const bool must_replay= wsrep_must_replay(thd);
(void) wsrep_after_statement(thd);
/*
Reset the return code to zero if the transaction was
replayed succesfully.
*/
if (res && must_replay && !wsrep_current_error(thd))
res= 0;
/*
Final wsrep error status for statement is known only after
wsrep_after_statement() call. If the error is set, override
......@@ -3631,6 +3640,10 @@ sp_instr_stmt::exec_core(THD *thd, uint *nextp)
wsrep_override_error(thd, wsrep_current_error(thd),
wsrep_current_error_status(thd));
thd->wsrep_cs().reset_error();
/* Reset also thd->killed if it has been set during BF abort. */
if (thd->killed == KILL_QUERY)
thd->reset_killed();
}
}
}
#endif /* WITH_WSREP */
......
sql/sql_class.cc
View file @ eb872ceb
......@@ -1020,6 +1020,15 @@ Sql_condition* THD::raise_condition(uint sql_errno,
if (!(variables.option_bits & OPTION_SQL_NOTES) &&
(level == Sql_condition::WARN_LEVEL_NOTE))
DBUG_RETURN(NULL);
#ifdef WITH_WSREP
/*
Suppress warnings/errors if the wsrep THD is going to replay. The
deadlock/interrupted errors may be transitient and should not be
reported to the client.
*/
if (wsrep_must_replay(this))
DBUG_RETURN(NULL);
#endif /* WITH_WSREP */
da->opt_clear_warning_info(query_id);
......
sql/wsrep_client_service.cc
View file @ eb872ceb
......@@ -250,20 +250,38 @@ void Wsrep_client_service::will_replay()
enum wsrep::provider::status Wsrep_client_service::replay()
{
DBUG_ASSERT(m_thd == current_thd);
Wsrep_replayer_service replayer_service(m_thd);
wsrep::provider& provider(m_thd->wsrep_cs().provider());
mysql_mutex_lock(&m_thd->LOCK_thd_data);
m_thd->killed= NOT_KILLED;
mysql_mutex_unlock(&m_thd->LOCK_thd_data);
enum wsrep::provider::status ret=
provider.replay(m_thd->wsrep_trx().ws_handle(), &replayer_service);
DBUG_ENTER("Wsrep_client_service::replay");
/*
Allocate separate THD for replaying to avoid tampering
original THD state during replication event applying.
*/
THD *replayer_thd= new THD(true, true);
replayer_thd->thread_stack= m_thd->thread_stack;
replayer_thd->real_id= pthread_self();
replayer_thd->prior_thr_create_utime=
replayer_thd->start_utime= microsecond_interval_timer();
replayer_thd->set_command(COM_SLEEP);
replayer_thd->reset_for_next_command(true);
enum wsrep::provider::status ret;
{
Wsrep_replayer_service replayer_service(replayer_thd, m_thd);
wsrep::provider& provider(replayer_thd->wsrep_cs().provider());
ret= provider.replay(replayer_thd->wsrep_trx().ws_handle(),
&replayer_service);
replayer_service.replay_status(ret);
}
delete replayer_thd;
mysql_mutex_lock(&LOCK_wsrep_replaying);
--wsrep_replaying;
mysql_cond_broadcast(&COND_wsrep_replaying);
mysql_mutex_unlock(&LOCK_wsrep_replaying);
return ret;
DBUG_RETURN(ret);
}
void Wsrep_client_service::wait_for_replayers(wsrep::unique_lock<wsrep::mutex>& lock)
......
sql/wsrep_high_priority_service.cc
View file @ eb872ceb
......@@ -519,83 +519,88 @@ bool Wsrep_applier_service::check_exit_status() const
Replayer service
*****************************************************************************/
Wsrep_replayer_service::Wsrep_replayer_service(THD* thd)
: Wsrep_high_priority_service(thd)
Wsrep_replayer_service::Wsrep_replayer_service(THD* replayer_thd, THD* orig_thd)
: Wsrep_high_priority_service(replayer_thd)
, m_orig_thd(orig_thd)
, m_da_shadow()
, m_replay_status()
{
/* Response must not have been sent to client */
DBUG_ASSERT(!thd->get_stmt_da()->is_sent());
DBUG_ASSERT(!orig_thd->get_stmt_da()->is_sent());
/* PS reprepare observer should have been removed already
open_table() will fail if we have dangling observer here */
DBUG_ASSERT(!thd->m_reprepare_observer);
DBUG_ASSERT(!orig_thd->m_reprepare_observer);
/* Replaying should happen always from after_statement() hook
after rollback, which should guarantee that there are no
transactional locks */
DBUG_ASSERT(!thd->mdl_context.has_transactional_locks());
DBUG_ASSERT(!orig_thd->mdl_context.has_transactional_locks());
/* Make a shadow copy of diagnostics area and reset */
m_da_shadow.status= thd->get_stmt_da()->status();
m_da_shadow.status= orig_thd->get_stmt_da()->status();
if (m_da_shadow.status == Diagnostics_area::DA_OK)
{
m_da_shadow.affected_rows= thd->get_stmt_da()->affected_rows();
m_da_shadow.last_insert_id= thd->get_stmt_da()->last_insert_id();
strmake(m_da_shadow.message, thd->get_stmt_da()->message(),
m_da_shadow.affected_rows= orig_thd->get_stmt_da()->affected_rows();
m_da_shadow.last_insert_id= orig_thd->get_stmt_da()->last_insert_id();
strmake(m_da_shadow.message, orig_thd->get_stmt_da()->message(),
sizeof(m_da_shadow.message) - 1);
}
thd->get_stmt_da()->reset_diagnostics_area();
orig_thd->get_stmt_da()->reset_diagnostics_area();
/* Release explicit locks */
if (thd->locked_tables_mode && thd->lock)
if (orig_thd->locked_tables_mode && orig_thd->lock)
{
WSREP_WARN("releasing table lock for replaying (%llu)",
thd->thread_id);
thd->locked_tables_list.unlock_locked_tables(thd);
thd->variables.option_bits&= ~(OPTION_TABLE_LOCK);
orig_thd->thread_id);
orig_thd->locked_tables_list.unlock_locked_tables(orig_thd);
orig_thd->variables.option_bits&= ~(OPTION_TABLE_LOCK);
}
thd_proc_info(orig_thd, "wsrep replaying trx");
/*
Replaying will call MYSQL_START_STATEMENT when handling
BEGIN Query_log_event so end statement must be called before
replaying.
Swith execution context to replayer_thd and prepare it for
replay execution.
*/
MYSQL_END_STATEMENT(thd->m_statement_psi, thd->get_stmt_da());
thd->m_statement_psi= NULL;
thd->m_digest= NULL;
thd_proc_info(thd, "wsrep replaying trx");
orig_thd->reset_globals();
replayer_thd->store_globals();
wsrep_open(replayer_thd);
wsrep_before_command(replayer_thd);
replayer_thd->wsrep_cs().clone_transaction_for_replay(orig_thd->wsrep_trx());
}
Wsrep_replayer_service::~Wsrep_replayer_service()
{
THD* thd= m_thd;
DBUG_ASSERT(!thd->get_stmt_da()->is_sent());
DBUG_ASSERT(!thd->get_stmt_da()->is_set());
THD* replayer_thd= m_thd;
THD* orig_thd= m_orig_thd;
/* Store replay result/state to original thread wsrep client
state and switch execution context back to original. */
orig_thd->wsrep_cs().after_replay(replayer_thd->wsrep_trx());
wsrep_after_apply(replayer_thd);
wsrep_after_command_ignore_result(replayer_thd);
wsrep_close(replayer_thd);
replayer_thd->reset_globals();
orig_thd->store_globals();
DBUG_ASSERT(!orig_thd->get_stmt_da()->is_sent());
DBUG_ASSERT(!orig_thd->get_stmt_da()->is_set());
if (m_replay_status == wsrep::provider::success)
{
DBUG_ASSERT(thd->wsrep_cs().current_error() == wsrep::e_success);
thd->killed= NOT_KILLED;
if (m_da_shadow.status == Diagnostics_area::DA_OK)
{
my_ok(thd,
m_da_shadow.affected_rows,
m_da_shadow.last_insert_id,
m_da_shadow.message);
}
else
{
my_ok(thd);
}
DBUG_ASSERT(replayer_thd->wsrep_cs().current_error() == wsrep::e_success);
orig_thd->killed= NOT_KILLED;
my_ok(orig_thd, m_da_shadow.affected_rows, m_da_shadow.last_insert_id);
}
else if (m_replay_status == wsrep::provider::error_certification_failed)
{
wsrep_override_error(thd, ER_LOCK_DEADLOCK);
wsrep_override_error(orig_thd, ER_LOCK_DEADLOCK);
}
else
{
DBUG_ASSERT(0);
WSREP_ERROR("trx_replay failed for: %d, schema: %s, query: %s",
m_replay_status,
thd->db.str, WSREP_QUERY(thd));
orig_thd->db.str, WSREP_QUERY(orig_thd));
unireg_abort(1);
}
}
......
sql/wsrep_high_priority_service.h
View file @ eb872ceb
......@@ -87,7 +87,7 @@ class Wsrep_applier_service : public Wsrep_high_priority_service
class Wsrep_replayer_service : public Wsrep_high_priority_service
{
public:
Wsrep_replayer_service(THD*);
Wsrep_replayer_service(THD* replayer_thd, THD* orig_thd);
~Wsrep_replayer_service();
int apply_write_set(const wsrep::ws_meta&, const wsrep::const_buffer&);
void after_apply() { }
......@@ -99,6 +99,7 @@ class Wsrep_replayer_service : public Wsrep_high_priority_service
/* Replayer should never be forced to exit */
bool check_exit_status() const { return false; }
private:
THD* m_orig_thd;
struct da_shadow
{
enum Diagnostics_area::enum_diagnostics_status status;
......
sql/wsrep_trans_observer.h
View file @ eb872ceb
......@@ -55,6 +55,13 @@ static inline bool wsrep_must_abort(THD* thd)
return (thd->wsrep_trx().state() == wsrep::transaction::s_must_abort);
}
/*
Return true if the transaction must be replayed.
*/
static inline bool wsrep_must_replay(THD* thd)
{
return (thd->wsrep_trx().state() == wsrep::transaction::s_must_replay);
}
/*
Return true if transaction has not been committed.
......
wsrep-lib @ e9dafb73
Subproject commit ae746fb28957140fb996a4aaf994baea58bd5287
Subproject commit e9dafb73734d71ab55078b34748e54f139aec827
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