#### db_type: tidb ####
#### test_type: dda_double_write_skew1 ####
#### 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
 
set TXN_ISOLATION = read-committed for each session
----------rat_dda_double_write_skew1 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 sql: 'INSERT INTO t1 VALUES (1, 0);'
Q0-T1 execute opt: 'COMMIT';

----------rat_dda_double_write_skew1 test run----------
Q1-T1 execute sql: 'BEGIN OPTIMISTIC;'
Q1 finished at: 2022-4-1 17:25:39:234:302
Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;'
Q2 finished at: 2022-4-1 17:25:39:236:269
                                        Q3-T2 execute sql: 'BEGIN OPTIMISTIC;'
                                        Q3 finished at: 2022-4-1 17:25:39:334:847
                                        Q4-T2 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;'
                                        Q4 finished at: 2022-4-1 17:25:39:336:734
                                        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: 2022-4-1 17:25:39:338:504
Q6-T1 execute sql: 'UPDATE t1 SET v=2 WHERE k=1;'
Q6 finished at: 2022-4-1 17:25:39:441:520
                                        Q7-T2 execute opt: 'COMMIT';
                                        Q7 finished at: 2022-4-1 17:25:39:536:409
Q8-T1 execute opt: 'COMMIT';
Q8 failed reason: [MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224374419357696, conflictStartTS=432224374445572096, conflictCommitTS=432224374498525184, key={tableID=2571, handle=1} primary=[]byte(nil) [try again later] errcode: HY000
Q8 failed at: 2022-4-1 17:25:40:440:915

Test Result: Rollback
[MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224374419357696, conflictStartTS=432224374445572096, conflictCommitTS=432224374498525184, key={tableID=2571, handle=1} primary=[]byte(nil) [try again later]