drop table if exists t1, t2, t3;
create table t1 (c1 int);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) DEFAULT NULL
) ENGINE=mroonga DEFAULT CHARSET=latin1
drop table t1;
create table t1 (c1 int, c2 int);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) DEFAULT NULL,
  `c2` int(11) DEFAULT NULL
) ENGINE=mroonga DEFAULT CHARSET=latin1
drop table t1;
create table t1 (c1 int primary key, c2 varchar(100));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` varchar(100) DEFAULT NULL,
  PRIMARY KEY (`c1`)
) ENGINE=mroonga DEFAULT CHARSET=latin1
drop table t1;
