#### db_type: oracle #### #### test_type: dda_read_write_skew2_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 ----------wat_dda_read_write_skew2_committed test prepare---------- Q0-T1 execute sql: 'DROP TABLE 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 sql: 'INSERT INTO t1 VALUES (1, 0);' Q0-T1 execute opt: 'COMMIT;' ----------wat_dda_read_write_skew2_committed test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-5-26 0:40:12:365:450 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-5-26 0:40:12:410:102 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-5-26 0:40:12:865:492 Q4-T2 execute sql: 'SELECT * FROM t1 WHERE k=1;' current_result: (1,0) (1) expected_result: (1,1) *(2) expected_result: (1,0) Q4 finished at: 2022-5-26 0:40:12:907:710 Q5-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;' Q7-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;' Q7 finished at: 2022-5-26 0:40:13:406:890 Q8-T1 execute opt: 'COMMIT;' Q5 finished at: 2022-5-26 0:40:13:446:750 Q6-T2 execute opt: 'COMMIT;' Q9-T3 execute sql: 'SELECT * FROM t1 ORDER BY k;' current_result: (0,2) (1,1) *(1) expected_result: (0,2) (1,1) (2) expected_result: (0,1) (1,1) Q9 finished at: 2022-5-26 0:40:13:578:326 Q10-T3 execute opt: 'COMMIT;' Test Result: Anomaly Reason: Data anomaly is not recognized by the database, resulting in data inconsistencies