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drop table if exists t1;
create table t1 (a int not null auto_increment,b int, primary key (a)) engine=heap auto_increment=3;
insert into t1 values (1,1),(NULL,3),(NULL,4);
delete from t1 where a=4;
insert into t1 values (NULL,5),(NULL,6);
select * from t1;
a b
1 1
3 3
5 5
6 6
delete from t1 where a=6;
replace t1 values (3,1);
ALTER TABLE t1 add c int;
replace t1 values (3,3,3);
insert into t1 values (NULL,7,7);
update t1 set a=8,b=b+1,c=c+1 where a=7;
insert into t1 values (NULL,9,9);
select * from t1;
a b c
1 1 NULL
3 3 3
5 5 NULL
8 8 8
9 9 9
drop table t1;
create table t1 (
skey tinyint unsigned NOT NULL auto_increment PRIMARY KEY,
sval char(20)
) engine=heap;
insert into t1 values (NULL, "hello");
insert into t1 values (NULL, "hey");
select * from t1;
skey sval
1 hello
2 hey
select _rowid,t1._rowid,skey,sval from t1;
_rowid _rowid skey sval
1 1 1 hello
2 2 2 hey
drop table t1;
#
# MDEV-15352 AUTO_INCREMENT breaks after updating a column value to a negative number
#
SET @engine='MEMORY';
CREATE PROCEDURE autoinc_mdev15353_one(engine VARCHAR(64), t VARCHAR(64))
BEGIN
DECLARE query TEXT DEFAULT 'CREATE TABLE t1 ('
' id TTT NOT NULL AUTO_INCREMENT,'
' name CHAR(30) NOT NULL,'
' PRIMARY KEY (id)) ENGINE=EEE';
EXECUTE IMMEDIATE REPLACE(REPLACE(query,'TTT', t), 'EEE', engine);
SHOW CREATE TABLE t1;
INSERT INTO t1 (name) VALUES ('dog');
SELECT * FROM t1;
UPDATE t1 SET id=-1 WHERE id=1;
SELECT * FROM t1;
INSERT INTO t1 (name) VALUES ('cat');
SELECT * FROM t1;
DROP TABLE t1;
END;
$$
CALL autoinc_mdev15353_one(@engine, 'tinyint');
Table Create Table
t1 CREATE TABLE `t1` (
`id` tinyint(4) NOT NULL AUTO_INCREMENT,
`name` char(30) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'smallint');
Table Create Table
t1 CREATE TABLE `t1` (
`id` smallint(6) NOT NULL AUTO_INCREMENT,
`name` char(30) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'mediumint');
Table Create Table
t1 CREATE TABLE `t1` (
`id` mediumint(9) NOT NULL AUTO_INCREMENT,
`name` char(30) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'int');
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` char(30) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'bigint');
Table Create Table
t1 CREATE TABLE `t1` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`name` char(30) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'float');
Table Create Table
t1 CREATE TABLE `t1` (
`id` float NOT NULL AUTO_INCREMENT,
`name` char(30) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'double');
Table Create Table
t1 CREATE TABLE `t1` (
`id` double NOT NULL AUTO_INCREMENT,
`name` char(30) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MEMORY DEFAULT CHARSET=latin1
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
DROP PROCEDURE autoinc_mdev15353_one;
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