set tidb_cost_model_version=1;
drop table if exists t;
create table t (id int, c1 timestamp);
load stats 's/explain_stats_t.json';
show columns from t;
Field	Type	Null	Key	Default	Extra
id	int(11)	YES		NULL	
c1	timestamp	YES		NULL	
explain t;
Field	Type	Null	Key	Default	Extra
id	int(11)	YES		NULL	
c1	timestamp	YES		NULL	
describe t;
Field	Type	Null	Key	Default	Extra
id	int(11)	YES		NULL	
c1	timestamp	YES		NULL	
desc t;
Field	Type	Null	Key	Default	Extra
id	int(11)	YES		NULL	
c1	timestamp	YES		NULL	
desc t c1;
Field	Type	Null	Key	Default	Extra
c1	timestamp	YES		NULL	
desc t id;
Field	Type	Null	Key	Default	Extra
id	int(11)	YES		NULL