Merge pull request #659 from codership/MDEV-13549-fixes-for-galera_bf_abort_for_update

MDEV-13549 Fix and re-enable test galera.galera_bf_abort_for_update

mysql-test/suite/galera/disabled.def

@@ -33,7 +33,6 @@ galera_ist_mysqldump : MDEV-13549 Galera test failures
 mysql-wsrep#31 :  MDEV-13549 Galera test failures
 galera_migrate : MariaDB 10.0 does not support START SLAVE USER
 galera_concurrent_ctas : MDEV-13549 Galera test failures
-galera_bf_abort_for_update : MDEV-13549 Galera test failures
 galera_wsrep_desync_wsrep_on : MDEV-13549 Galera test failures
 galera_ssl_upgrade : MDEV-13549 Galera test failures
 mysql-wsrep#33 : MDEV-13549 Galera test failures

mysql-test/suite/galera/r/galera_bf_abort_for_update.result

-CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
-SET AUTOCOMMIT=OFF;
-START TRANSACTION;
-INSERT INTO t1 VALUES (1);
-INSERT INTO t1 VALUES (1);
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 INT) ENGINE=InnoDB;
+INSERT INTO t1 VALUES (1, 10);
+BEGIN;
 SELECT * FROM t1 FOR UPDATE;
+f1	f2
+1	10
+UPDATE t1 SET f1 = 2;
+COMMIT;
 ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
-wsrep_local_aborts_increment
+wsrep_local_bf_aborts_diff
+1
+BEGIN;
+SELECT * FROM t1 FOR UPDATE;
+f1	f2
+2	10
+UPDATE t1 SET f2 = 20;
+COMMIT;
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
+wsrep_local_bf_aborts_diff
 1
 DROP TABLE t1;

mysql-test/suite/galera/t/galera_bf_abort_for_update.test

@@ -5,25 +5,52 @@
 # Test a local transaction being aborted by a slave one while it is running a SELECT FOR UPDATE
 #
 
-CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 INT) ENGINE=InnoDB;
 
---connection node_2
---let $wsrep_local_bf_aborts_before = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_bf_aborts'`
-SET AUTOCOMMIT=OFF;
-START TRANSACTION;
-INSERT INTO t1 VALUES (1);
+INSERT INTO t1 VALUES (1, 10);
+
+# Test updating the PK
 
 --connection node_1
-INSERT INTO t1 VALUES (1);
+--let $wsrep_local_bf_aborts_before = `SELECT variable_value FROM information_schema.global_status WHERE variable_name = 'wsrep_local_bf_aborts'`
+BEGIN;
+SELECT * FROM t1 FOR UPDATE;
 
 --connection node_2
+UPDATE t1 SET f1 = 2;
+
+--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
+--let $wait_condition = SELECT COUNT(*) FROM t1 WHERE f1 = 2
+--source include/wait_condition.inc
+
+--connection node_1
 --error ER_LOCK_DEADLOCK
+COMMIT;
+
+--disable_query_log
+--eval SELECT variable_value - $wsrep_local_bf_aborts_before AS wsrep_local_bf_aborts_diff FROM information_schema.global_status WHERE variable_name = 'wsrep_local_bf_aborts'
+--enable_query_log
+
+# Test updating non-indexed column
+
+--connection node_1
+--let $wsrep_local_bf_aborts_before = `SELECT variable_value FROM information_schema.global_status WHERE variable_name = 'wsrep_local_bf_aborts'`
+BEGIN;
 SELECT * FROM t1 FOR UPDATE;
 
---let $wsrep_local_bf_aborts_after = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_bf_aborts'`
+--connection node_2
+UPDATE t1 SET f2 = 20;
+
+--connection node_1a
+--let $wait_condition = SELECT COUNT(*) FROM t1 WHERE f2 = 20
+--source include/wait_condition.inc
+
+--connection node_1
+--error ER_LOCK_DEADLOCK
+COMMIT;
 
 --disable_query_log
---eval SELECT $wsrep_local_bf_aborts_after - $wsrep_local_bf_aborts_before = 1 AS wsrep_local_aborts_increment;
+--eval SELECT variable_value - $wsrep_local_bf_aborts_before AS wsrep_local_bf_aborts_diff FROM information_schema.global_status WHERE variable_name = 'wsrep_local_bf_aborts'
 --enable_query_log
 
 DROP TABLE t1;