#### db_type: tidb ####
#### test_type: sda_lost_update_c1 ####
#### 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_sda_lost_update_c1 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';

----------wat_sda_lost_update_c1 test run----------
Q1-T1 execute sql: 'BEGIN OPTIMISTIC;'
Q1 finished at: 2022-4-1 17:25:52:976:770
Q2-T1 execute sql: 'SELECT * FROM t1 WHERE k=0;'
   current_result: 
     (0,0) 
  *(1) expected_result: 
     (0,0) 
   (2) expected_result: 
     (0,2) 

Q2 finished at: 2022-4-1 17:25:52:978:377
                                        Q3-T2 execute sql: 'BEGIN OPTIMISTIC;'
                                        Q3 finished at: 2022-4-1 17:25:53:76:711
                                        Q4-T2 execute sql: 'UPDATE t1 SET v=2 WHERE k=0;'
                                        Q4 finished at: 2022-4-1 17:25:53:78:529
Q5-T1 execute sql: 'UPDATE t1 SET v=1 WHERE k=0;'
Q5 finished at: 2022-4-1 17:25:53:177:323
Q6-T1 execute opt: 'COMMIT';
Q6 finished at: 2022-4-1 17:25:53:178:645
                                        Q7-T2 execute opt: 'COMMIT';
                                        Q7 failed reason: [MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224378047954944, conflictStartTS=432224378021740544, conflictCommitTS=432224378074693632, key={tableID=2619, handle=0} primary=[]byte(nil) [try again later] errcode: HY000
                                        Q7 failed at: 2022-4-1 17:25:53:977:408

Test Result: Rollback
[MySQL][ODBC 8.0(w) Driver]Write conflict, txnStartTS=432224378047954944, conflictStartTS=432224378021740544, conflictCommitTS=432224378074693632, key={tableID=2619, handle=0} primary=[]byte(nil) [try again later]