#### db_type: pg #### #### test_type: mda_step_rat #### #### 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_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 opt: 'BEGIN;' Q1 finished at: 2022-5-23 11:7:49:869:203 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-5-23 11:7:49:871:210 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-5-23 11:7:50:370:605 Q4-T2 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;' Q4 finished at: 2022-5-23 11:7:50:372:814 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: 2022-5-23 11:7:50:375:286 Q6-T3 execute opt: 'BEGIN;' Q6 finished at: 2022-5-23 11:7:50:869:189 Q7-T3 execute sql: 'UPDATE t1 SET v=1 WHERE k=2;' Q7 finished at: 2022-5-23 11:7:50:871:68 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: 2022-5-23 11:7:50:872:847 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: 2022-5-23 11:7:51:370:903 Q10-T1 execute opt: 'COMMIT;' Q10 finished at: 2022-5-23 11:7:51:373:141 Q11-T2 execute opt: 'COMMIT;' Q12-T3 execute opt: 'COMMIT;' Q12 finished at: 2022-5-23 11:7:52:370:872 Q11 failed reason: ERROR: could not serialize access due to read/write dependencies among transactions errcode: 40001 Q11 failed at: 2022-5-23 11:7:52:969:714 Test Result: Rollback ERROR: could not serialize access due to read/write dependencies among transactions