#### db_type: tidb #### #### test_type: dda_full_write_skew_committed #### #### isolation: read-committed #### 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 = read-committed for each session ----------wat_dda_full_write_skew_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_full_write_skew_committed test run---------- Q1-T1 execute sql: 'BEGIN PESSIMISTIC;' Q1 finished at: 2022-4-1 17:18:6:716:61 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-4-1 17:18:6:717:811 Q3-T2 execute sql: 'BEGIN PESSIMISTIC;' Q3 finished at: 2022-4-1 17:18:6:816:158 Q4-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=1;' Q4 finished at: 2022-4-1 17:18:6:817:967 Q5-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;' Q7-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;' Q5 finished at: 2022-4-1 17:18:6:941:872 Q6-T2 execute opt: 'COMMIT'; Q6 finished at: 2022-4-1 17:18:6:943:309 Q7 failed reason: [MySQL][ODBC 8.0(w) Driver][mysqld-5.7.25-TiDB-v4.0.10]Deadlock found when trying to get lock; try restarting transaction errcode: HY000 Q7 failed at: 2022-4-1 17:18:7:639:788 Test Result: Rollback Reason: [MySQL][ODBC 8.0(w) Driver][mysqld-5.7.25-TiDB-v4.0.10]Deadlock found when trying to get lock; try restarting transaction