#### db_type: tidb #### #### test_type: mda_step_rat #### #### isolation: repeatable-read #### 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 = repeatable-read for each session ----------rat_mda_step_rat 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'; ----------rat_mda_step_rat test run---------- Q1-T1 execute sql: 'BEGIN PESSIMISTIC;' Q1 finished at: 2022-4-1 17:18:32:421:217 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-4-1 17:18:32:441:957 Q3-T2 execute sql: 'BEGIN PESSIMISTIC;' Q3 finished at: 2022-4-1 17:18:32:524:124 Q4-T2 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;' Q4 finished at: 2022-4-1 17:18:32:525:995 Q5-T2 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,0) (1) expected_result: (0,1) (2) expected_result: (0,1) *(3) expected_result: (0,0) *(4) expected_result: (0,0) (5) expected_result: (0,1) *(6) expected_result: (0,0) Q5 finished at: 2022-4-1 17:18:32:527:868 Q6-T3 execute sql: 'BEGIN PESSIMISTIC;' Q6 finished at: 2022-4-1 17:18:32:621:211 Q7-T3 execute sql: 'UPDATE t1 SET v=1 WHERE k=2;' Q7 finished at: 2022-4-1 17:18:32:623:57 Q8-T3 execute sql: 'SELECT * FROM t1 WHERE k=1;' current_result: (1,0) (1) expected_result: (1,1) *(2) expected_result: (1,0) (3) expected_result: (1,1) (4) expected_result: (1,1) *(5) expected_result: (1,0) *(6) expected_result: (1,0) Q8 finished at: 2022-4-1 17:18:32:625:121 Q9-T1 execute sql: 'SELECT * FROM t1 WHERE k=2;' current_result: (2,0) *(1) expected_result: (2,0) *(2) expected_result: (2,0) *(3) expected_result: (2,0) (4) expected_result: (2,1) (5) expected_result: (2,1) (6) expected_result: (2,1) Q9 finished at: 2022-4-1 17:18:32:722:306 Q10-T1 execute opt: 'COMMIT'; Q10 finished at: 2022-4-1 17:18:32:723:685 Q11-T2 execute opt: 'COMMIT'; Q11 finished at: 2022-4-1 17:18:32:821:546 Q12-T3 execute opt: 'COMMIT'; Q12 finished at: 2022-4-1 17:18:32:921:503 Q13-T4 execute sql: 'SELECT * FROM t1 ORDER BY k;' current_result: (0,1) (1,1) (2,1) *(1) expected_result: (0,1) (1,1) (2,1) *(2) expected_result: (0,1) (1,1) (2,1) *(3) expected_result: (0,1) (1,1) (2,1) *(4) expected_result: (0,1) (1,1) (2,1) *(5) expected_result: (0,1) (1,1) (2,1) *(6) expected_result: (0,1) (1,1) (2,1) Q13 finished at: 2022-4-1 17:18:32:925:124 Q14-T4 execute opt: 'COMMIT'; Q14 finished at: 2022-4-1 17:18:32:926:239 Test Result: Anomaly Reason: Data anomaly is not recognized by the database, resulting in data inconsistencies