#### db_type: tdsql #### #### test_type: sda_dirty_read #### #### 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_sda_dirty_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_dirty_read test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-5-23 10:56:8:130:174 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-5-23 10:56:8:220:399 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-5-23 10:56:8:631:32 Q4-T2 execute sql: 'SELECT * FROM t1 WHERE k = 0;' Q5-T1 execute opt: 'ROLLBACK;' Q5 finished at: 2022-5-23 10:56:9:130:743 current_result: (0,0) *(1) expected_result: (0,0) Q4 finished at: 2022-5-23 10:56:9:132:979 Q6-T2 execute opt: 'COMMIT;' Q6 finished at: 2022-5-23 10:56:9:631:873 Q7-T3 execute sql: 'SELECT * FROM t1;' current_result: (0,0) *(1) expected_result: (0,0) Q7 finished at: 2022-5-23 10:56:9:815:832 Q8-T3 execute opt: 'COMMIT;' Q8 finished at: 2022-5-23 10:56:9:891:730 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