#### db_type: pg #### #### test_type: sda_non_repeatable_read_pred_insert #### #### isolation: repeatable-read #### 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 = repeatable-read for each session ----------rat_sda_non_repeatable_read_pred_insert 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 opt: 'COMMIT;' ----------rat_sda_non_repeatable_read_pred_insert test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-5-23 11:7:8:662:862 Q2-T1 execute sql: 'SELECT * FROM t1 WHERE v>0;' current_result: null *(1) expected_result: null (2) expected_result: (0,1) Q2 finished at: 2022-5-23 11:7:8:664:871 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-5-23 11:7:9:163:97 Q4-T2 execute sql: 'INSERT INTO t1 VALUES (0, 1);' Q4 finished at: 2022-5-23 11:7:9:165:75 Q5-T1 execute sql: 'SELECT * FROM t1 WHERE v>0;' current_result: null *(1) expected_result: null (2) expected_result: (0,1) Q5 finished at: 2022-5-23 11:7:9:663:438 Q6-T2 execute opt: 'COMMIT;' Q6 finished at: 2022-5-23 11:7:10:164:418 Q7-T1 execute opt: 'COMMIT;' Q7 finished at: 2022-5-23 11:7:10:675:175 Q8-T3 execute sql: 'SELECT * FROM t1;' current_result: (0,1) *(1) expected_result: (0,1) *(2) expected_result: (0,1) Q8 finished at: 2022-5-23 11:7:10:676:827 Q9-T3 execute opt: 'COMMIT;' Q9 finished at: 2022-5-23 11:7:10:677:932 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