#### db_type: pg #### #### test_type: sda_lost_self_update #### #### 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_lost_self_update 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_lost_self_update test run---------- Q1-T1 execute opt: 'BEGIN;' Q1 finished at: 2022-5-23 11:4:29:377:520 Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;' Q2 finished at: 2022-5-23 11:4:29:379:539 Q3-T2 execute opt: 'BEGIN;' Q3 finished at: 2022-5-23 11:4:29:877:454 Q4-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;' Q5-T1 execute sql: 'SELECT * FROM t1 WHERE k=0;' current_result: (0,1) *(1) expected_result: (0,1) *(2) expected_result: (0,1) Q5 finished at: 2022-5-23 11:4:30:379:86 Q6-T1 execute opt: 'COMMIT;' Q6 finished at: 2022-5-23 11:4:30:381:3 Q4 failed reason: ERROR: could not serialize access due to concurrent update; errcode: 40001 Q4 failed at: 2022-5-23 11:4:30:781:702 Test Result: Rollback Reason: ERROR: could not serialize access due to concurrent update;