#### db_type: tidb ####
#### 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
 
set TXN_ISOLATION = read-committed for each session
----------wat_dda_read_write_skew2_committed 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';

----------wat_dda_read_write_skew2_committed test run----------
Q1-T1 execute sql: 'BEGIN OPTIMISTIC;'
Q1 finished at: 2022-4-1 17:26:7:522:136
Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;'
Q2 finished at: 2022-4-1 17:26:7:524:95
                                        Q3-T2 execute sql: 'BEGIN OPTIMISTIC;'
                                        Q3 finished at: 2022-4-1 17:26:7:622:82
                                        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: 2022-4-1 17:26:7:623:804
                                        Q5-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;'
                                        Q5 finished at: 2022-4-1 17:26:7:625:569
                                        Q6-T2 execute opt: 'COMMIT';
                                        Q6 finished at: 2022-4-1 17:26:7:627:44
Q7-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;'
Q7 finished at: 2022-4-1 17:26:7:722:575
Q8-T1 execute opt: 'COMMIT';
Q8 failed reason: [MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224381834625024, conflictStartTS=432224381860839424, conflictCommitTS=432224381862150144, key={tableID=2652, handle=0} primary=[]byte(nil) [try again later] errcode: HY000
Q8 failed at: 2022-4-1 17:26:8:524:319

Test Result: Rollback
[MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224381834625024, conflictStartTS=432224381860839424, conflictCommitTS=432224381862150144, key={tableID=2652, handle=0} primary=[]byte(nil) [try again later]