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CREATE TABLE t1(a int primary key); CREATE TABLE t2(a int primary key); BEGIN; # # Insert values on table and savepoints # SAVEPOINT S1; INSERT INTO t1 values(3); INSERT INTO t1 values(4); SAVEPOINT S2; INSERT INTO t1 values(5); INSERT INTO t1 values(6); SAVEPOINT S3; SAVEPOINT S4; # # RELEASE S4 # RELEASE SAVEPOINT S4; INSERT INTO t1 values(7); SELECT * FROM t1; a 3 4 5 6 7 # # ROLLBACK TO S2 # ROLLBACK TO S2; # # Confirm S3 was removed when rollbacking to S2 # ROLLBACK TO S3; ERROR 42000: SAVEPOINT S3 does not exist SELECT * FROM t1; a 3 4 INSERT INTO t1 values(7); SELECT * FROM t1; a 3 4 7 # # Confirm S2 exists after ROLLBACK TO S2 # ROLLBACK TO S2; SELECT * FROM t1; a 3 4 COMMIT; # # Check the multitable update on 'rollback to savepoint' # BEGIN; INSERT INTO t1 values (5); SAVEPOINT S1; DELETE FROM t1; INSERT INTO t1 values (1); INSERT INTO t2 SELECT * FROM t1; UPDATE t1,t2 SET t1.a=3, t2.a=3; SELECT * FROM t1; a 3 SELECT * FROM t2; a 3 ROLLBACK TO SAVEPOINT S1; INSERT INTO t2 SELECT * FROM t1; COMMIT; SELECT * FROM t1; a 3 4 5 SELECT * FROM t2; a 3 4 5 DROP TABLE t1; DROP TABLE t2;