drop table if exists t1;
create table t1 (c1 int auto_increment, primary key(c1)) auto_increment=34129;
insert into t1 values(null);
select c1 from t1 order by c1 desc;
c1
34129
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=mroonga AUTO_INCREMENT=34130 DEFAULT CHARSET=latin1
insert into t1 values(null);
select c1 from t1 order by c1 desc;
c1
34130
34129
insert into t1 values(10);
select c1 from t1 order by c1 desc;
c1
34130
34129
10
insert into t1 values(null);
select c1 from t1 order by c1 desc;
c1
34131
34130
34129
10
insert into t1 values(6);
select c1 from t1 order by c1 desc;
c1
34131
34130
34129
10
6
insert into t1 values(null);
select c1 from t1 order by c1 desc;
c1
34132
34131
34130
34129
10
6
truncate table t1;
insert into t1 values(null);
select c1 from t1 order by c1 desc;
c1
1
delete from t1;
insert into t1 values(null);
select c1 from t1 order by c1 desc;
c1
2
rename table t1 to t2;
insert into t2 values(null);
select c1 from t2 order by c1 desc;
c1
3
2
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=mroonga AUTO_INCREMENT=4 DEFAULT CHARSET=latin1
drop table t2;
