#### db_type: oracle #### #### test_type: dda_double_write_skew1_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 ----------rat_dda_double_write_skew1_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;' ----------rat_dda_double_write_skew1_committed test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-5-20 15:16:4:765:18 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-5-20 15:16:4:771:838 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-5-20 15:16:4:867:542 Q4-T2 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;' Q4 finished at: 2022-5-20 15:16:4:871:885 Q5-T2 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,0) (1) expected_result: (0,1) *(2) expected_result: (0,0) Q5 finished at: 2022-5-20 15:16:4:874:993 Q6-T2 execute opt: 'COMMIT;' Q7-T1 execute sql: 'UPDATE t1 SET v=2 WHERE k=1;' Q7 finished at: 2022-5-20 15:16:4:969:215 Q8-T1 execute opt: 'COMMIT;' Q9-T3 execute sql: 'SELECT * FROM t1 ORDER BY k;' current_result: (0,1) (1,2) (1) expected_result: (0,1) (1,1) *(2) expected_result: (0,1) (1,2) Q9 finished at: 2022-5-20 15:16:4:976:974 Q10-T3 execute opt: 'COMMIT;' 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