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-16534 PPC64: Unexpected error with a negative values into auto-increment columns in HEAP, MyISAM, ARIA # CREATE TABLE t1 ( id TINYINT NOT NULL AUTO_INCREMENT, name CHAR(30) NOT NULL, PRIMARY KEY (id) ) ENGINE=MEMORY; SHOW CREATE TABLE t1; 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 COLLATE=latin1_swedish_ci INSERT INTO t1 (name) VALUES ('dog'); UPDATE t1 SET id=-1 WHERE id=1; INSERT INTO t1 (name) VALUES ('cat'); SELECT * FROM t1; id name -1 dog 2 cat DROP TABLE t1; # # End of 5.5 tests # # # 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 COLLATE=latin1_swedish_ci 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 COLLATE=latin1_swedish_ci 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 COLLATE=latin1_swedish_ci 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 COLLATE=latin1_swedish_ci 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 COLLATE=latin1_swedish_ci 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 COLLATE=latin1_swedish_ci 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 COLLATE=latin1_swedish_ci id name 1 dog id name -1 dog id name -1 dog 2 cat DROP PROCEDURE autoinc_mdev15353_one; # # End of 10.2 tests #