#### db_type: ob #### #### test_type: mda_step_wat_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 ----------wat_mda_step_wat_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 sql: 'INSERT INTO t1 VALUES (2, 0);' Q0-T1 execute opt: 'COMMIT;' ----------wat_mda_step_wat_c1 test run---------- Q1-T1 execute sql: 'BEGIN;' Q1 finished at: 2022-5-20 16:23:48:287:711 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-5-20 16:23:48:328:681 Q3-T2 execute sql: 'BEGIN;' Q3 finished at: 2022-5-20 16:23:48:785:118 Q4-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=1;' Q4 finished at: 2022-5-20 16:23:48:822:697 Q5-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;' Q6-T3 execute sql: 'BEGIN;' Q6 finished at: 2022-5-20 16:23:49:284:5 Q7-T3 execute sql: 'UPDATE t1 SET v=3 WHERE k=2;' Q7 finished at: 2022-5-20 16:23:49:320:925 Q8-T3 execute sql: 'UPDATE t1 SET v=3 WHERE k=1;' Q9-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=2;' Q5 failed reason: [MySQL][ODBC 8.0(w) Driver][mysqld-5.6.25]Lock wait timeout exceeded; try restarting transaction errcode: HY000 Q5 failed at: 2022-5-20 16:23:59:266:325 Q8 failed reason: [MySQL][ODBC 8.0(w) Driver][mysqld-5.6.25]Lock wait timeout exceeded; try restarting transaction errcode: HY000 Q8 failed at: 2022-5-20 16:24:0:64:277 Q9 failed reason: [MySQL][ODBC 8.0(w) Driver][mysqld-5.6.25]Lock wait timeout exceeded; try restarting transaction errcode: HY000 Q9 failed at: 2022-5-20 16:24:0:594:838 Test Result: Timeout Reason: Transaction execution timeout