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ddb27a29b1
Add wait_condition between debug sync SIGNAL points and other expected state conditions and refactor actual sync point for easier to use in test case. Signed-off-by: Julius Goryavsky <julius.goryavsky@mariadb.com>
68 lines
1.8 KiB
Text
68 lines
1.8 KiB
Text
connection node_2;
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connection node_1;
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connection node_1;
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CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(1)) engine=innodb;
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CREATE TABLE t2 (f1 INTEGER PRIMARY KEY, f2 CHAR(1)) engine=innodb;
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INSERT INTO t1 VALUES (1, 'a');
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INSERT INTO t1 VALUES (2, 'a');
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SET AUTOCOMMIT=ON;
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START TRANSACTION;
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UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
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connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
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connection node_1a;
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SET SESSION wsrep_sync_wait=0;
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LOCK TABLE t2 WRITE;
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connection node_1;
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SET DEBUG_SYNC= 'wsrep_before_mdl_wait SIGNAL before_mdl_wait WAIT_FOR mdl_wait_continue';
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SELECT * FROM t2;;
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connection node_1a;
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# Wait until select is blocked before MDL lock wait
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SET DEBUG_SYNC= 'now WAIT_FOR before_mdl_wait';
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connection node_1a;
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SET @@debug_dbug = "d,sync.wsrep_after_BF_victim_lock";
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connection node_2;
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UPDATE t1 SET f2 = 'c' WHERE f1 = 1;
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connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1;
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connection node_1b;
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SET SESSION wsrep_sync_wait=0;
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# Wait for conflicting update to block
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SET DEBUG_SYNC = "now SIGNAL signal.wsrep_after_BF_victim_lock";
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connect node_1c, 127.0.0.1, root, , test, $NODE_MYPORT_1;
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connection node_1c;
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connection node_1a;
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SET DEBUG_SYNC = "now SIGNAL BF_victim_continue";
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UNLOCK TABLES;
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connection node_1;
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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connection node_1;
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SELECT COUNT(*) AS EXPECT_1 FROM t1 WHERE f2 = 'a';
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EXPECT_1
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1
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SELECT COUNT(*) AS EXPECT_1 FROM t1 WHERE f2 = 'c';
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EXPECT_1
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1
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SELECT * FROM t1;
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f1 f2
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1 c
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2 a
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connection node_2;
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SELECT COUNT(*) AS EXPECT_1 FROM t1 WHERE f2 = 'a';
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EXPECT_1
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1
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SELECT COUNT(*) AS EXPECT_1 FROM t1 WHERE f2 = 'c';
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EXPECT_1
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1
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SELECT * FROM t1;
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f1 f2
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1 c
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2 a
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DROP TABLE t1;
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DROP TABLE t2;
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connection node_1a;
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SET DEBUG_SYNC = "RESET";
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connection node_1b;
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SET DEBUG_SYNC = "RESET";
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connection node_1;
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disconnect node_1a;
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disconnect node_1b;
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disconnect node_1c;
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