create table t1 (id int primary key, c1 int default 1) engine=xengine;
alter table t1 add column c2 int default 2, add column c3 char(100) default "c3c3c3c3c3c3", add column c4 varchar(100) default "c4c4c4c4c4c4c4c4c4",
add column c5 double default 5.5, add column c6 blob, add column c7 text;
select * from information_schema.XENGINE_TABLES;
SCHEMA_NAME	NAME	N_COLS	INSTANT_COLS
test	t1	8	2
select * from information_schema.XENGINE_COLUMNS;
NAME	SCHEMA_NAME	TABLE_NAME	IS_INSTANTLY_ADDED	HAS_ORIGINAL_DEFAULT	ORIGIN_DEFAULT_VALUE
id	test	t1	0	0	NULL
c1	test	t1	0	0	NULL
c2	test	t1	1	1	02000000
c3	test	t1	1	1	63336333633363336333633320202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020
c4	test	t1	1	1	120063346334633463346334633463346334633400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
c5	test	t1	1	1	0000000000001640
c6	test	t1	1	0	NULL
c7	test	t1	1	0	NULL
drop table t1;