#### db_type: mysql #### #### test_type: sda_intermediate_read_committed #### #### isolation: read-uncommitted #### 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-uncommitted 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 17:39:40:589:388 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-4-1 17:39:40:590:920 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-4-1 17:39:40:689:556 Q4-T2 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,1) (1) expected_result: (0,2) (2) expected_result: (0,0) Q4 finished at: 2022-4-1 17:39:40:691:661 Q5-T2 execute opt: 'COMMIT'; Q5 finished at: 2022-4-1 17:39:40:692:779 Q6-T1 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;' Q6 finished at: 2022-4-1 17:39:40:790:634 Q7-T1 execute opt: 'COMMIT'; Q7 finished at: 2022-4-1 17:39:40:801:155 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 17:39:40:803:543 Q9-T3 execute opt: 'COMMIT'; Q9 finished at: 2022-4-1 17:39:40:804:400 Test Result: Anomaly Reason: Data anomaly is not recognized by the database, resulting in data inconsistencies