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--source include/have_innodb.inc --echo # --echo # WL#9636: Rename tx_{read_only,isolation} variables to transaction_* --echo # --echo # Setup. SET @session_transaction_isolation = @@SESSION.transaction_isolation; SET @global_transaction_isolation = @@GLOBAL.transaction_isolation; --enable_connect_log --echo # Creating connections connect (con0,localhost,root,,); connection con0; SET SESSION AUTOCOMMIT = OFF; connect (con1, localhost, root,,); connection con1; SET SESSION AUTOCOMMIT = OFF; connection default; --echo # Creating tables CREATE TABLE t1 (a int PRIMARY KEY, b int) ENGINE=INNODB; INSERT INTO t1 VALUES(2, 2); INSERT INTO t1 VALUES(4, 4); INSERT INTO t1 VALUES(6, 6); INSERT INTO t1 VALUES(8, 8); INSERT INTO t1 VALUES(16, 16); INSERT INTO t1 VALUES(18, 18); INSERT INTO t1 VALUES(20, 20); INSERT INTO t1 VALUES(22, 22); INSERT INTO t1 VALUES(24, 24); --echo # Testing for value READ-UNCOMMITTED connection con0; SET SESSION transaction_isolation = 'READ-UNCOMMITTED'; set binlog_format=mixed; connection con1; SET SESSION transaction_isolation = 'READ-UNCOMMITTED'; set binlog_format=mixed; --echo # Testing WHERE on keys using IN clause connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a IN (2,4,6,8) FOR UPDATE; UPDATE t1 SET b = 10 WHERE a IN (2,4,6,8); connection con1; START TRANSACTION; SELECT * FROM t1; INSERT INTO t1 VALUES(1, 1); INSERT INTO t1 VALUES(3, 3); SELECT * FROM t1; COMMIT; connection con0; DELETE FROM t1 WHERE a = 1 OR a = 3; COMMIT; --echo # Testing WHERE on keys using # on even rows connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE; UPDATE t1 SET b = 10 WHERE a % 2 = 0; connection con1; START TRANSACTION; SELECT * FROM t1; INSERT INTO t1 VALUES(23, 23); INSERT INTO t1 VALUES(25, 25); SELECT * FROM t1; COMMIT; connection con0; COMMIT; --echo # Testing for value READ-COMMITTED connection con0; SET SESSION transaction_isolation = 'READ-COMMITTED'; connection con1; SET SESSION transaction_isolation = 'READ-COMMITTED'; --echo # Testing WHERE on keys using % on even rows connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE; UPDATE t1 SET b = 11 WHERE a % 2 = 0; connection con1; START TRANSACTION; SELECT * FROM t1; INSERT INTO t1 VALUES(5, 5); INSERT INTO t1 VALUES(7, 7); SELECT * FROM t1; COMMIT; connection con0; COMMIT; --echo # Testing for value REPEATABLE-READ connection con0; SET SESSION transaction_isolation = 'REPEATABLE-READ'; connection con1; SET SESSION transaction_isolation = 'REPEATABLE-READ'; --echo # Testing WHERE on keys using % on even rows connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE; UPDATE t1 SET b = 12 WHERE a % 2 = 0; connection con1; START TRANSACTION; SELECT * FROM t1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(9, 9); --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(13, 13); --echo Expected error "Lock wait timeout" SELECT * FROM t1; COMMIT; connection con0; COMMIT; --echo # Testing WHERE on keys using IN clause connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a IN (2,4,6,8,10,12,14,16,18,20,22,24,26) = 0 FOR UPDATE; UPDATE t1 SET b = 13 WHERE a IN (2,4,6,8,10,12,14,16,18,20,22,24,26) = 0; connection con1; START TRANSACTION; SELECT * FROM t1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(9, 9); --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(13, 13); --echo Expected error "Lock wait timeout" SELECT * FROM t1; COMMIT; connection con0; COMMIT; --echo # Testing WHERE on keys using IN clause connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a IN (2,4,6,8) = 0 FOR UPDATE; UPDATE t1 SET b = 14 WHERE a IN (2,4,6,8) = 0; connection con1; START TRANSACTION; SELECT * FROM t1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(9, 9); --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(13, 13); --echo Expected error "Lock wait timeout" SELECT * FROM t1; COMMIT; connection con0; COMMIT; --echo # Testing for value SERIALIZABLE connection con0; SET SESSION transaction_isolation = 'SERIALIZABLE'; connection con1; SET SESSION transaction_isolation = 'SERIALIZABLE'; --echo # Testing WHERE on keys using # on even rows connection con0; START TRANSACTION; SELECT * FROM t1 WHERE a % 2 = 0 FOR UPDATE; UPDATE t1 SET b = 15 WHERE a % 2 = 0; connection con1; START TRANSACTION; --error ER_LOCK_WAIT_TIMEOUT SELECT * FROM t1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(15, 15); --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(17, 17); --error ER_LOCK_WAIT_TIMEOUT SELECT * FROM t1; COMMIT; connection con0; COMMIT; --echo # Session data integrity check & GLOBAL Value check SET GLOBAL transaction_isolation = 'READ-UNCOMMITTED'; connect (con_int1,localhost,root,,); connection con_int1; SELECT @@SESSION.transaction_isolation; --echo READ-UNCOMMITTED Expected SET SESSION transaction_isolation = 'SERIALIZABLE'; connect (con_int2,localhost,root,,); connection con_int2; SELECT @@SESSION.transaction_isolation; --echo READ-UNCOMMITTED Expected SET SESSION transaction_isolation = 'REPEATABLE-READ'; connection con_int2; SELECT @@SESSION.transaction_isolation; --echo REPEATABLE-READ Expected connection con_int1; SELECT @@SESSION.transaction_isolation; --echo SERIALIZABLE Expected SELECT @@GLOBAL.transaction_isolation; --echo READ-UNCOMMITTED Expected connection default; disconnect con_int1; disconnect con_int2; --echo # Cleanup SET @@SESSION.transaction_isolation = @session_transaction_isolation; SET @@GLOBAL.transaction_isolation = @global_transaction_isolation; connection default; disconnect con0; disconnect con1; --disable_connect_log DROP TABLE t1;