#######################################################################
#                                                                     #
# Test for auto savepoint                                             #
#                                                                     #
#######################################################################

-- source include/have_innodb_max_16k.inc

SET @auto_savepoint_orig = @@session.auto_savepoint;

SET auto_savepoint = OFF;

# Create the test table
create table t1 (c1 int) engine = innodb;
create table t2 (c1 int) engine = innodb;

#
# Basic functionality test
#

# Error test : no implicit savepoint
start transaction;
insert into t1 values(1);
insert into t1 values(2);

-- error 1305
call dbms_trans.rollback_to_implicit_savepoint();
commit;

# Enable auto savepoint
SET auto_savepoint = ON;

# INSERT : rollback the only data row change
start transaction;
insert into t1 values(3);
select * from t1;
call dbms_trans.rollback_to_implicit_savepoint();
select * from t1;
commit;

truncate table t1;

# INSERT : rollback the last data row change
start transaction;
insert into t1 values(1);
insert into t1 values(2);

select * from t1;

call dbms_trans.rollback_to_implicit_savepoint();

select * from t1;
commit;

truncate table t1;

# UPDATE : rollback the last data row change
start transaction;
insert into t1 values(1);
insert into t1 values(2);

select * from t1;
update t1 set c1 = 3 where c1 = 2;
select * from t1;

call dbms_trans.rollback_to_implicit_savepoint();

select * from t1;
commit;

truncate table t1;

# UPDATE multi-table : rollback the last data row change
start transaction;
insert into t1 values(1);
insert into t1 values(2);
insert into t2 values(1);
insert into t2 values(2);

select * from t1;
select * from t2;

update t1, t2 set t1.c1 = 20, t2.c1 = 20 where t1.c1 = t2.c1 and t1.c1 = 2;

select * from t1;
select * from t2;

call dbms_trans.rollback_to_implicit_savepoint();

select * from t1;
select * from t2;
commit;

truncate table t1;
truncate table t2;

# DELETE : rollback the last data row change
start transaction;
insert into t1 values(1);
insert into t1 values(2);

delete from t1 where c1 = 2;

select * from t1;

call dbms_trans.rollback_to_implicit_savepoint();

select * from t1;
commit;

truncate table t1;

# DELETE multi-table : rollback the last data row change
start transaction;
insert into t1 values(1);
insert into t1 values(2);
insert into t1 values(3);
insert into t2 values(1);
insert into t2 values(2);
insert into t2 values(4);

select * from t1;
select * from t2;

delete t1, t2 from t1 inner join t2 on t1.c1 = t2.c1;

call dbms_trans.rollback_to_implicit_savepoint();

select * from t1;
select * from t2;
commit;

truncate table t1;
truncate table t2;

#
# Mixed explicit savepoint and implicit savepoint
#

# INSERT : rollback the only data row change
start transaction;
savepoint p1;

insert into t1 values(1);
select * from t1;

call dbms_trans.rollback_to_implicit_savepoint();
select * from t1;

rollback to p1;
select * from t1;

commit;

truncate table t1;

# INSERT : rollback to implicit savepoint and  explicit savepoint
start transaction;
insert into t1 values(1);
savepoint p1;
insert into t1 values(2);

select * from t1;

call dbms_trans.rollback_to_implicit_savepoint();
select * from t1;

rollback to p1;
select * from t1;

commit;

truncate table t1;

# UPDATE : rollback to implicit savepoint and  explicit savepoint
start transaction;
insert into t1 values(1);
insert into t1 values(2);

update t1 set c1 = 3 where c1 = 2;
savepoint p1;

select * from t1;

update t1 set c1 = 4 where c1 = 3;
update t1 set c1 = 5 where c1 = 4;

select * from t1;

call dbms_trans.rollback_to_implicit_savepoint();

select * from t1;

rollback to p1;
select * from t1;

commit;

truncate table t1;

# UPDATE multi-table : rollback to implicit savepoint and  explicit savepoint
start transaction;
insert into t1 values(1);
insert into t1 values(2);
insert into t2 values(1);
insert into t2 values(2);
savepoint p1;

select * from t1;
select * from t2;

update t1, t2 set t1.c1 = 20, t2.c1 = 20 where t1.c1 = t2.c1 and t1.c1 = 2;
update t1, t2 set t1.c1 = 30, t2.c1 = 30 where t1.c1 = t2.c1 and t1.c1 = 20;

select * from t1;
select * from t2;

call dbms_trans.rollback_to_implicit_savepoint();

select * from t1;
select * from t2;

rollback to p1;
select * from t1;
select * from t2;

commit;

truncate table t1;
truncate table t2;

# DELETE : rollback the last data row change
start transaction;
insert into t1 values(1);
insert into t1 values(2);
insert into t1 values(3);
savepoint p1;

select * from t1;

delete from t1 where c1 = 2;
delete from t1 where c1 = 3;

select * from t1;

call dbms_trans.rollback_to_implicit_savepoint();
select * from t1;

rollback to p1;
select * from t1;

commit;

truncate table t1;

# DELETE multi-table : rollback the last data row change
start transaction;
insert into t1 values(1);
insert into t1 values(2);
insert into t2 values(1);
insert into t2 values(2);
savepoint p1;

select * from t1;
select * from t2;

insert into t1 values(3);
insert into t2 values(4);

select * from t1;
select * from t2;

delete t1, t2 from t1 inner join t2 on t1.c1 = t2.c1;

select * from t1;
select * from t2;

call dbms_trans.rollback_to_implicit_savepoint();
select * from t1;
select * from t2;

rollback to p1;
select * from t1;
select * from t2;

commit;

truncate table t1;
truncate table t2;

#
# Misc test
#

# -------------- Non-transactional table --------------
create table t3 (a int) engine = myisam;

start transaction;
insert into t2 values (1);
insert into t3 values (1);

select * from t2;
select * from t3;

insert into t2 values (2);
call dbms_trans.rollback_to_implicit_savepoint();
select * from t2;

# Rollback does not work for non-transactinoal table
insert into t3 values (2);
call dbms_trans.rollback_to_implicit_savepoint();
select * from t3;

commit;

truncate table t2;
truncate table t3;

# -------------- Full-text search --------------
# This case is borrowed from innodb_fts.savepoiont, due to an existing bug
# with FTS savepoint handling, the query with AGAINST('mysql') does not
# show record with id = 2, this case should be updated after the bug is
# fixed.
create table articles (
	FTS_DOC_ID BIGINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
	id INT,
	title VARCHAR(200),
	FULLTEXT (title)
	) ENGINE= InnoDB;

show variables like "%savepoint";

start transaction;
insert into articles(id, title) values(1, 'mysql');
savepoint sp1;

insert into articles(id, title) values(2, 'mysql');
savepoint sp2;

select * from articles;

insert into articles(id, title) values(3, 'mysql');

rollback to sp2;

select * from articles;

commit;

SELECT * FROM articles WHERE MATCH(title) AGAINST('mysql');

SET GLOBAL innodb_ft_aux_table="test/articles";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
SET GLOBAL innodb_ft_aux_table=default;

drop table articles;


# Cleanup
SET auto_savepoint = @auto_savepoint_orig;
drop table t1;
drop table t2;
drop table t3;