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--echo # --echo # Bug #28799261 IODKU UNNECESSARILY GAP-LOCKS SECONDARY INDEXES --echo # AFTER DUPLICATE IS ALREADY FOUND --echo # --source include/have_innodb.inc --source include/count_sessions.inc #Test 1 CREATE TABLE t1 (a INT UNIQUE KEY, b INT UNIQUE KEY, c INT) ENGINE = InnoDB; SHOW CREATE TABLE t1; --echo # Scenario 1: Serialized transactions (trx1, trx2) INSERT INTO t1 VALUES (1, 1, 1); SELECT * FROM t1; --echo # Transaction trx1 START TRANSACTION; INSERT INTO t1 VALUES (2, 2, 3) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Transaction trx2 START TRANSACTION; INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE c=VALUES(c); INSERT INTO t1 VALUES (2, 3, 4) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Result: SELECT * FROM t1; --echo # Cleanup DROP TABLE t1; #Test 2 CREATE TABLE t1 (a INT UNIQUE KEY, b INT UNIQUE KEY, c INT) ENGINE = InnoDB; SHOW CREATE TABLE t1; --echo # Scenario 2: Serialized transactions (trx2, trx1) INSERT INTO t1 VALUES (1, 1, 1); SELECT * FROM t1; --echo # Transaction trx2 START TRANSACTION; INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE c=VALUES(c); INSERT INTO t1 VALUES (2, 3, 4) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Transaction trx1 START TRANSACTION; INSERT INTO t1 VALUES (2, 2, 3) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Result: SELECT * FROM t1; --echo # Cleanup DROP TABLE t1; --echo # --echo # Bug #11758237 INSERT ON DUPLICATE KEY UPDATE SOMETIMES --echo # WRITES BINLOG POSITION INCORRECT --echo # CREATE TABLE t1 (a INT UNIQUE KEY, b INT UNIQUE KEY, c INT) ENGINE = InnoDB; SHOW CREATE TABLE t1; --echo # Scenario 3: Interleaved transactions (trx1 conflicts on index b) INSERT INTO t1 VALUES (1, 1, 1); SELECT * FROM t1; --echo # Connection default: --echo # Transaction trx1: START TRANSACTION; INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE c=VALUES(c); SELECT * FROM t1; --echo # Connection other: --connect (other,localhost,root,,test,,) --send INSERT INTO t1 VALUES (2, 2, 3) ON DUPLICATE KEY UPDATE c=VALUES(c); --echo # Connection default: --connection default let $wait_condition= SELECT COUNT(*) = 1 FROM information_schema.innodb_trx WHERE trx_query = 'INSERT INTO t1 VALUES (2, 2, 3) ON DUPLICATE KEY UPDATE c=VALUES(c)' AND trx_operation_state = 'inserting' AND trx_state = 'LOCK WAIT'; --source include/wait_condition.inc INSERT INTO t1 VALUES (2, 3, 4) ON DUPLICATE KEY UPDATE c=VALUES(c); SELECT * FROM t1; COMMIT; --echo # Connection other: --connection other reap; --echo # Connection default: connection default; --echo # Result: SELECT * FROM t1; --echo # Cleanup DROP TABLE t1; #Test 4 CREATE TABLE t1 (a INT UNIQUE KEY, b INT UNIQUE KEY, c INT) ENGINE = InnoDB; SHOW CREATE TABLE t1; --echo # Scenario 4: Serialized transactions (trx1, trx2) INSERT INTO t1 VALUES (1, 1, 1); SELECT * FROM t1; --echo # Transaction trx1 START TRANSACTION; INSERT INTO t1 VALUES (2, 2, 3) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Transaction trx2 START TRANSACTION; INSERT INTO t1 VALUES (1, 2, 2) ON DUPLICATE KEY UPDATE c=VALUES(c); INSERT INTO t1 VALUES (3, 2, 4) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Result: SELECT * FROM t1; --echo # Cleanup DROP TABLE t1; #Test 5 CREATE TABLE t1 (a INT UNIQUE KEY, b INT UNIQUE KEY, c INT) ENGINE = InnoDB; SHOW CREATE TABLE t1; --echo # Scenario 5: Serialized transactions (trx2, trx1) INSERT INTO t1 VALUES (1, 1, 1); SELECT * FROM t1; --echo # Transaction trx2 START TRANSACTION; INSERT INTO t1 VALUES (1, 2, 2) ON DUPLICATE KEY UPDATE c=VALUES(c); INSERT INTO t1 VALUES (3, 2, 4) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Transaction trx1 START TRANSACTION; INSERT INTO t1 VALUES (2, 2, 3) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Result: SELECT * FROM t1; --echo # Cleanup DROP TABLE t1; #Test 6 CREATE TABLE t1 (a INT UNIQUE KEY, b INT UNIQUE KEY, c INT) ENGINE = InnoDB; SHOW CREATE TABLE t1; --echo # Scenario 6: Interleaved transactions (trx1 conflicts on index a) INSERT INTO t1 VALUES (1, 1, 1); SELECT * FROM t1; --echo # Connection default: --echo # Transaction trx1: START TRANSACTION; INSERT INTO t1 VALUES (1, 2, 2) ON DUPLICATE KEY UPDATE c=VALUES(c); SELECT * FROM t1; --echo # Connection other: connection other; START TRANSACTION; SET innodb_lock_wait_timeout = 1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES (2, 2, 3) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Connection default: --connection default INSERT INTO t1 VALUES (3, 2, 4) ON DUPLICATE KEY UPDATE c=VALUES(c); COMMIT; --echo # Result: SELECT * FROM t1; --echo # Cleanup DROP TABLE t1; #test 7 CREATE TABLE t1(f1 INT PRIMARY KEY, f2 INT, f3 INT, UNIQUE KEY(f2))ENGINE=INNODB; SHOW CREATE TABLE t1; INSERT INTO t1(f1, f2, f3) VALUES(1, 10, 100); SELECT * FROM t1; --echo # Connection other: connection other; START TRANSACTION; INSERT INTO t1 VALUES(2, 10, 200) ON DUPLICATE KEY UPDATE f3 = 120; --echo # Connection default connection default; START TRANSACTION; SET innodb_lock_wait_timeout = 1; --error ER_LOCK_WAIT_TIMEOUT INSERT INTO t1 VALUES(2, 20, 300) ON DUPLICATE KEY UPDATE f3 = 500; COMMIT; --echo # Connection other: --connection other COMMIT; --echo # Connection default connection default; --echo # Verify Results: SELECT * FROM t1; disconnect other; DROP TABLE t1; #Test 8 #Test added to cover the undo update path CREATE TABLE t1(f1 INT AUTO_INCREMENT PRIMARY KEY, f2 INT, f3 INT, UNIQUE KEY(f2),UNIQUE KEY(f3))ENGINE=INNODB; INSERT INTO t1(f2,f3) VALUES(10, 100); INSERT INTO t1(f2,f3) VALUES(20, 200); --error ER_DUP_ENTRY UPDATE t1 SET f2=30,f3=100 WHERE f2 = 20; SELECT * FROM t1; COMMIT; DROP TABLE t1; --source include/wait_until_count_sessions.inc