#### db_type: mysql #### #### test_type: sda_intermediate_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 ----------rat_sda_intermediate_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'; ----------rat_sda_intermediate_read_committed test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-4-1 17:40:17:848:79 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-4-1 17:40:17:849:656 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-4-1 17:40:17:948:99 Q4-T2 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,0) (1) expected_result: (0,2) *(2) expected_result: (0,0) Q4 finished at: 2022-4-1 17:40:17:949:820 Q5-T2 execute opt: 'COMMIT'; Q5 finished at: 2022-4-1 17:40:17:950:718 Q6-T1 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;' Q6 finished at: 2022-4-1 17:40:18:48:940 Q7-T1 execute opt: 'COMMIT'; Q7 finished at: 2022-4-1 17:40:18:55:929 Q8-T3 execute sql: 'SELECT * FROM t1;' current_result: (0,2) *(1) expected_result: (0,2) *(2) expected_result: (0,2) Q8 finished at: 2022-4-1 17:40:18:57:528 Q9-T3 execute opt: 'COMMIT'; Q9 finished at: 2022-4-1 17:40:18:59:232 The current result is consistent with the [(2) expected_result] of serial scheduling Test Result: Avoid Reason: Data anomaly did not occur and the data is consistent