#### db_type: tidb #### #### test_type: dda_full_write_skew_c1 #### #### 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_c1 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_c1 test run---------- Q1-T1 execute sql: 'BEGIN OPTIMISTIC;' Q1 finished at: 2022-4-1 17:25:57:932:315 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-4-1 17:25:57:934:46 Q3-T2 execute sql: 'BEGIN OPTIMISTIC;' Q3 finished at: 2022-4-1 17:25:58:33:404 Q4-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=1;' Q4 finished at: 2022-4-1 17:25:58:35:58 Q5-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;' Q5 finished at: 2022-4-1 17:25:58:36:662 Q6-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;' Q6 finished at: 2022-4-1 17:25:58:132:767 Q7-T1 execute opt: 'COMMIT'; Q7 finished at: 2022-4-1 17:25:58:134:20 Q8-T2 execute opt: 'COMMIT'; Q8 failed reason: [MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224379347402752, conflictStartTS=432224379320926208, conflictCommitTS=432224379373617152, key={tableID=2631, handle=0} primary=[]byte(nil) [try again later] errcode: HY000 Q8 failed at: 2022-4-1 17:25:59:35:979 Test Result: Rollback [MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224379347402752, conflictStartTS=432224379320926208, conflictCommitTS=432224379373617152, key={tableID=2631, handle=0} primary=[]byte(nil) [try again later]