#### db_type: tidb ####
#### test_type: dda_double_write_skew2 ####
#### 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_skew2 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_skew2 test run----------
Q1-T1 execute sql: 'BEGIN OPTIMISTIC;'
Q1 finished at: 2022-4-1 17:25:41:917:791
Q2-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;'
Q2 finished at: 2022-4-1 17:25:41:919:761
                                        Q3-T2 execute sql: 'BEGIN OPTIMISTIC;'
                                        Q3 finished at: 2022-4-1 17:25:42:18:48
                                        Q4-T2 execute sql: 'UPDATE t1 SET v=1 WHERE k=1;'
                                        Q4 finished at: 2022-4-1 17:25:42:20:193
                                        Q5-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;'
                                        Q5 finished at: 2022-4-1 17:25:42:22:16
Q6-T1 execute sql: 'SELECT * FROM t1 WHERE k=1;'
   current_result: 
     (1,0) 
  *(1) expected_result: 
     (1,0) 
   (2) expected_result: 
     (1,1) 

Q6 finished at: 2022-4-1 17:25:42:120:829
Q7-T1 execute opt: 'COMMIT';
Q7 finished at: 2022-4-1 17:25:42:122:262
                                        Q8-T2 execute opt: 'COMMIT';
                                        Q8 failed reason: [MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224375148904448, conflictStartTS=432224375122690048, conflictCommitTS=432224375176429568, key={tableID=2577, handle=0} primary=[]byte(nil) [try again later] errcode: HY000
                                        Q8 failed at: 2022-4-1 17:25:43:19:587

Test Result: Rollback
[MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224375148904448, conflictStartTS=432224375122690048, conflictCommitTS=432224375176429568, key={tableID=2577, handle=0} primary=[]byte(nil) [try again later]