#### db_type: pg #### #### test_type: sda_non_repeatable_read #### #### 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 ----------rat_sda_non_repeatable_read 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;' ----------rat_sda_non_repeatable_read test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-5-23 11:0:51:820:784 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 11:0:51:822:767 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-5-23 11:0:52:320:735 Q4-T2 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q4 finished at: 2022-5-23 11:0:52:322:791 Q5-T1 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,0) *(1) expected_result: (0,0) (2) expected_result: (0,1) Q5 finished at: 2022-5-23 11:0:52:821:847 Q6-T2 execute opt: 'COMMIT;' Q6 finished at: 2022-5-23 11:0:53:332:77 Q7-T1 execute opt: 'COMMIT;' Q7 finished at: 2022-5-23 11:0:53:821:122 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 11:0:53:822:776 Q9-T3 execute opt: 'COMMIT;' Q9 finished at: 2022-5-23 11:0:53:823:459 The current result is consistent with the [(1) expected_result] of serial scheduling Test Result: Avoid Reason: Data anomaly did not occur and the data is consistent