DROP TABLE IF EXISTS test_commit_middle;
CREATE TABLE test_commit_middle (id INT AUTO_INCREMENT PRIMARY KEY, c1 INT, index idx(c1)) ENGINE=xengine;
CREATE PROCEDURE fill_table(cnt int)
begin
declare i int default 0;
repeat insert into test_commit_middle(c1) values(i);
set i=i+1;
until i > cnt
end repeat;
end$$
call fill_table(5000);
begin;
insert into test_commit_middle values(10001,10001),(10002,10002),(10003,10003);
delete from test_commit_middle where id>0;
commit;
select * from test_commit_middle;
id	c1
10001	10001
10002	10002
10003	10003
delete from test_commit_middle;
call fill_table(5000);
begin;
insert into test_commit_middle values(1,1),(2,2),(3,3);
delete from test_commit_middle where id>0;
commit;
select * from test_commit_middle;
id	c1
delete from test_commit_middle;
call fill_table(5000);
begin;
insert into test_commit_middle values(30001,30001),(30002,30002),(30003,30003);
update test_commit_middle set c1=c1+1;
commit;
select count(*) from test_commit_middle;
count(*)
5004
delete from test_commit_middle;
call fill_table(5000);
begin;
insert into test_commit_middle values(1,1),(2,2),(3,3);
update test_commit_middle set c1=c1+1;
commit;
select count(*) from test_commit_middle;
count(*)
5004
delete from test_commit_middle;
call fill_table(5000);
begin;
insert into test_commit_middle values(50001,50001),(50002,50002),(50003,50003);
insert into test_commit_middle(c1) select c1 from test_commit_middle;
commit;
delete from test_commit_middle;
call fill_table(5000);
begin;
insert into test_commit_middle values(1,1),(2,2),(3,3);
insert into test_commit_middle(c1) select c1 from test_commit_middle;
commit;
CREATE TABLE t1 (id1 bigint(20),id2 bigint(20),id3 bigint(20),PRIMARY KEY (id1, id2, id3)) ENGINE=xengine;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
CREATE TABLE t2 (id1 bigint(20),id2 bigint(20),PRIMARY KEY (id1, id2)) ENGINE=xengine;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
DELETE t2, t1 FROM t2 LEFT JOIN t1 ON t2.id2 = t1.id2 AND t2.id1 = t1.id1 WHERE t2.id1 = 0;
select count(*) from t1;
count(*)
0
select count(*) from t2;
count(*)
0
create table test_version (id int primary key auto_increment,seq_id int, gmt_create datetime,gmt_modified datetime,version int,status varchar(20));
insert into test_version (seq_id, gmt_create,gmt_modified,version,status) values (1111,NOW(),NOW(),0,'normal');
select id,seq_id,version,status from test_version;
id	seq_id	version	status
1	1111	0	normal
set autocommit=off;
begin;
select id from test_version where seq_id = 1111 and status = 'normal';
id
1
update test_version set status = 'deleted', version = version + 1, gmt_modified = now() where id = 1 and version = 0;
insert into test_version (seq_id, gmt_create,gmt_modified,version,status) values (1111,NOW(),NOW(),0,'normal');
select id,seq_id,version,status from test_version;
id	seq_id	version	status
1	1111	1	deleted
2	1111	0	normal
commit;
select id,seq_id,version,status from test_version;
id	seq_id	version	status
1	1111	1	deleted
2	1111	0	normal
DROP TABLE test_commit_middle;
DROP PROCEDURE fill_table;
drop table t1;
drop table t2;
drop table test_version;