#### db_type: gp #### #### test_type: dda_write_read_skew_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 ----------rat_dda_write_read_skew_committed test prepare---------- Q0-T1 execute sql: 'DROP TABLE IF EXISTS t1;' Q0-T1 execute sql: 'DROP TABLE IF EXISTS t2;' Q0-T1 execute sql: 'CREATE TABLE t1 (k INT PRIMARY KEY, v INT);' Q0-T1 execute sql: 'CREATE TABLE t2 (k INT PRIMARY KEY, v INT);' Q0-T1 execute sql: 'INSERT INTO t1 VALUES (0, 0);' Q0-T1 execute sql: 'INSERT INTO t2 VALUES (1, 0);' Q0-T1 execute opt: 'COMMIT'; ----------rat_dda_write_read_skew_committed test run---------- Q1-T1 execute opt: 'BEGIN' Q1 finished at: 2022-4-11 12:3:48:830:815 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-4-11 12:3:48:843:415 Q3-T2 execute opt: 'BEGIN' Q3 finished at: 2022-4-11 12:3:49:830:813 Q4-T2 execute sql: 'UPDATE t2 SET v=1 WHERE k=1;' Q4 finished at: 2022-4-11 12:3:49:844:639 Q5-T2 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,0) (1) expected_result: (0,1) *(2) expected_result: (0,0) Q5 finished at: 2022-4-11 12:3:49:851:35 Q6-T2 execute opt: 'COMMIT'; Q6 finished at: 2022-4-11 12:3:49:867:294 Q7-T1 execute sql: 'SELECT * FROM t2 WHERE k=1;' current_result: (1,0) *(1) expected_result: (1,0) (2) expected_result: (1,1) Q7 finished at: 2022-4-11 12:3:50:837:721 Q8-T1 execute opt: 'COMMIT'; Q8 finished at: 2022-4-11 12:3:50:853:345 Q9-T3 execute sql: 'SELECT * FROM t1 ORDER BY k;' current_result: (0,1) *(1) expected_result: (0,1) *(2) expected_result: (0,1) Q9 finished at: 2022-4-11 12:4:0:839:348 Q10-T3 execute sql: 'SELECT * FROM t2 ORDER BY k;' current_result: (1,1) *(1) expected_result: (1,1) *(2) expected_result: (1,1) Q10 finished at: 2022-4-11 12:4:0:844:636 Q11-T3 execute opt: 'COMMIT'; Q11 finished at: 2022-4-11 12:4:0:844:825 Test Result: Anomaly Reason: Data anomaly is not recognized by the database, resulting in data inconsistencies