#### db_type: pg #### #### test_type: sda_non_repeatable_read_committed #### #### 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 ----------iat_sda_non_repeatable_read_committed 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 opt: 'COMMIT;' ----------iat_sda_non_repeatable_read_committed test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-5-23 11:3:55:531:410 Q2-T1 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,0) *(1) expected_result: (0,0) (2) expected_result: (0,1) Q2 finished at: 2022-5-23 11:3:55:533:413 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-5-23 11:3:56:31:447 Q4-T2 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q4 finished at: 2022-5-23 11:3:56:33:319 Q5-T2 execute opt: 'COMMIT;' Q5 finished at: 2022-5-23 11:3:56:35:209 Q6-T1 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,1) (1) expected_result: (0,0) *(2) expected_result: (0,1) Q6 finished at: 2022-5-23 11:3:56:532:251 Q7-T1 execute opt: 'COMMIT;' Q7 finished at: 2022-5-23 11:3:56:533:107 Q8-T3 execute sql: 'SELECT * FROM t1;' current_result: (0,1) *(1) expected_result: (0,1) *(2) expected_result: (0,1) Q8 finished at: 2022-5-23 11:3:56:534:776 Q9-T3 execute opt: 'COMMIT;' Q9 finished at: 2022-5-23 11:3:56:535:590 Test Result: Anomaly Reason: Data anomaly is not recognized by the database, resulting in data inconsistencies