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#
# Test of auto_increment;  The test for BDB tables is in bdb.test
#

--disable_warnings
drop table if exists t1;
--enable_warnings

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;
delete from t1 where a=6;
#show table status like "t1";
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;
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;
select _rowid,t1._rowid,skey,sval from t1;
drop table t1;

# End of 4.1 tests

--echo #
--echo # MDEV-15352 AUTO_INCREMENT breaks after updating a column value to a negative number
--echo #

SET @engine='MEMORY';
--source include/autoinc_mdev15353.inc