#### db_type: mysql #### #### test_type: dda_double_write_skew2_committed #### #### isolation: serializable #### current_result: The query result of the current SQL statement. Each row of table is separated by a space, and the fields in each row are separated by commas expected_result: The expected result is the expected query result for each SQL that conforms to the serializability theory set TXN_ISOLATION = serializable for each session ----------wat_dda_double_write_skew2_committed test prepare---------- Q0-T1 execute sql: 'DROP TABLE IF EXISTS t1;' Q0-T1 execute sql: 'CREATE TABLE t1 (k INT PRIMARY KEY, v INT);' Q0-T1 execute sql: 'INSERT INTO t1 VALUES (0, 0);' Q0-T1 execute sql: 'INSERT INTO t1 VALUES (1, 0);' Q0-T1 execute opt: 'COMMIT'; ----------wat_dda_double_write_skew2_committed test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-4-1 17:41:53:396:109 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-4-1 17:41:53:397:807 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-4-1 17:41:53:496:223 Q4-T2 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;' Q4 finished at: 2022-4-1 17:41:53:498:268 Q5-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;' Q7-T1 execute sql: 'SELECT * FROM t1 WHERE k=1;' Q5 finished at: 2022-4-1 17:41:53:597:375 Q6-T2 execute opt: 'COMMIT'; Q6 finished at: 2022-4-1 17:41:53:603:154 Q7 failed reason: [MySQL][ODBC 8.0(w) Driver][mysqld-8.0.20]Deadlock found when trying to get lock; try restarting transaction errcode: HY000 Q7 failed at: 2022-4-1 17:41:54:300:308 Test Result: Rollback Reason: [MySQL][ODBC 8.0(w) Driver][mysqld-8.0.20]Deadlock found when trying to get lock; try restarting transaction