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#
# Test that the wsrep_retry_autocommit variable is respected.
#
--source include/galera_cluster.inc
--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
--source include/galera_have_debug_sync.inc
--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
#
# With wsrep_retry_autocommit = 0, error is certain
#
--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
SET SESSION wsrep_retry_autocommit = 0;
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue';
--send INSERT INTO t1 (f1) VALUES (2)
--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR before_cert';
--connection node_2
--let $wait_condition = SELECT count(*)=1 FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'
--source include/wait_condition.inc
TRUNCATE TABLE t1;
--connection node_1
--error ER_LOCK_DEADLOCK
--reap
SELECT COUNT(*) FROM t1;
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;
#
# With wsrep_retry_autocommit = 1, success against one TRUNCATE
#
--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
SET SESSION wsrep_retry_autocommit = 1;
SET GLOBAL debug_dbug = '+d,sync.wsrep_retry_autocommit';
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue';
--send INSERT INTO t1 (f1) VALUES (3)
--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR before_cert';
--connection node_2
--let $wait_condition = SELECT count(*)=1 FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'
--source include/wait_condition.inc
TRUNCATE TABLE t1;
--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR wsrep_retry_autocommit_reached';
SELECT COUNT(*) FROM t1;
SET DEBUG_SYNC = 'now SIGNAL wsrep_retry_autocommit_continue';
--connection node_1
--error 0,ER_LOCK_DEADLOCK
--reap
SELECT COUNT(*) FROM t1;
SET DEBUG_SYNC = 'RESET';
SET GLOBAL debug_dbug = NULL;
DROP TABLE t1;
#
# With wsrep_retry_autcommit = 1, failure against multiple TRUNCATEs
#
--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
SET SESSION wsrep_retry_autocommit = 1;
SET GLOBAL debug_dbug = '+d,sync.wsrep_retry_autocommit';
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue EXECUTE 2';
--send INSERT INTO t1 VALUES (4);
--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR before_cert';
--connection node_2
--let $wait_condition = SELECT count(*)=1 FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'
--source include/wait_condition.inc
TRUNCATE TABLE t1;
--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR wsrep_retry_autocommit_reached';
SELECT COUNT(*) FROM t1;
SET DEBUG_SYNC = 'now SIGNAL wsrep_retry_autocommit_continue WAIT_FOR before_cert';
--connection node_2
TRUNCATE TABLE t1;
--connection node_1a
SELECT COUNT(*) FROM t1;
--connection node_1
--error 0,ER_LOCK_DEADLOCK
--reap
SET DEBUG_SYNC = 'RESET';
SET GLOBAL debug_dbug = NULL;
DROP TABLE t1;
#
# With wsrep_retry_autocommit = 64, success against 64 TRUNCATEs
#
--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
SET SESSION wsrep_retry_autocommit = 64;
SET GLOBAL debug_dbug = '+d,sync.wsrep_retry_autocommit';
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue EXECUTE 64';
--send INSERT INTO t1 VALUES (5)
--connection node_2
--let $wait_condition = SELECT count(*)=1 FROM information_schema.TABLES WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'
--source include/wait_condition.inc
--connection node_1
--disable_query_log
--disable_result_log
--let $count = 64
while ($count)
{
--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR before_cert';
--connection node_2
TRUNCATE TABLE t1;
--connection node_1a
SET DEBUG_SYNC = 'now WAIT_FOR wsrep_retry_autocommit_reached';
SELECT COUNT(*) FROM t1;
SET DEBUG_SYNC = 'now SIGNAL wsrep_retry_autocommit_continue';
--dec $count
}
--enable_result_log
--enable_query_log
--connection node_1
--error 0,ER_LOCK_DEADLOCK
--reap
SELECT COUNT(*) FROM t1;
SET DEBUG_SYNC = 'RESET';
SET GLOBAL debug_dbug = NULL;
DROP TABLE t1;
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