# restart server and check existing data
# restart: --xengine=1 --datadir=MYSQL_TMP_DIR/data --innodb_data_file_path=ibdata1:12M:autoextend
SHOW DATABASES;
Database
__recycle_bin__
data
information_schema
mysql
performance_schema
sys
test
USE data;
SHOW TABLES;
Tables_in_data
t_hidden_pk
t_hidden_pk_sk
t_hidden_pk_uk
t_pk
t_pk_auto
t_pk_sk
t_pk_uk
SHOW CREATE TABLE t_hidden_pk;
Table	Create Table
t_hidden_pk	CREATE TABLE `t_hidden_pk` (
  `id` int(11) DEFAULT NULL,
  `name` varchar(40) COLLATE utf8mb4_general_ci DEFAULT NULL
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
SHOW CREATE TABLE t_hidden_pk_sk;
Table	Create Table
t_hidden_pk_sk	CREATE TABLE `t_hidden_pk_sk` (
  `id` int(11) DEFAULT NULL,
  `name` varchar(40) COLLATE utf8mb4_general_ci DEFAULT NULL,
  KEY `name` (`name`(10))
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
SHOW CREATE TABLE t_hidden_pk_uk;
Table	Create Table
t_hidden_pk_uk	CREATE TABLE `t_hidden_pk_uk` (
  `id` int(11) DEFAULT NULL,
  `name` varchar(40) COLLATE utf8mb4_general_ci DEFAULT NULL,
  `code` int(11) DEFAULT NULL,
  UNIQUE KEY `code` (`code`)
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
SHOW CREATE TABLE t_pk;
Table	Create Table
t_pk	CREATE TABLE `t_pk` (
  `id` int(11) NOT NULL,
  `name` varchar(40) COLLATE utf8mb4_general_ci DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
SHOW CREATE TABLE t_pk_sk;
Table	Create Table
t_pk_sk	CREATE TABLE `t_pk_sk` (
  `id` int(11) NOT NULL,
  `name` varchar(40) COLLATE utf8mb4_general_ci DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `name` (`name`(10))
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
SHOW CREATE TABLE t_pk_uk;
Table	Create Table
t_pk_uk	CREATE TABLE `t_pk_uk` (
  `id` int(11) NOT NULL,
  `name` varchar(40) COLLATE utf8mb4_general_ci DEFAULT NULL,
  `code` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `code` (`code`)
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
SHOW CREATE TABLE t_pk_auto;
Table	Create Table
t_pk_auto	CREATE TABLE `t_pk_auto` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(40) COLLATE utf8mb4_general_ci DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=XENGINE AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
CHECK TABLE t_hidden_pk, t_hidden_pk_sk, t_hidden_pk_uk, t_pk, t_pk_sk, t_pk_uk, t_pk_auto;
Table	Op	Msg_type	Msg_text
data.t_hidden_pk	check	status	OK
data.t_hidden_pk_sk	check	status	OK
data.t_hidden_pk_uk	check	status	OK
data.t_pk	check	status	OK
data.t_pk_sk	check	status	OK
data.t_pk_uk	check	status	OK
data.t_pk_auto	check	status	OK
SELECT * FROM t_hidden_pk;
id	name
1	abc
2	bcd
3	def
SELECT * FROM t_hidden_pk_sk;
id	name
1	abc
2	bcd
3	def
SELECT * FROM t_hidden_pk_uk;
id	name	code
1	abc	2
2	bcd	4
3	def	6
SELECT * FROM t_pk;
id	name
1	abc
2	bcd
3	def
SELECT * FROM t_pk_sk;
id	name
1	abc
2	bcd
3	def
SELECT * FROM t_pk_uk;
id	name	code
1	abc	2
2	bcd	4
3	def	6
SELECT * FROM t_pk_auto;
id	name
1	abc
2	bcd
3	def
SELECT code FROM t_hidden_pk_uk;
code
2
4
6
SELECT code FROM t_pk_uk;
code
2
4
6
SET SESSION debug='+d,skip_dd_table_access_check';
SELECT id, se_private_id, se_private_data FROM mysql.tables WHERE name='t_hidden_pk';
id	se_private_id	se_private_data
382	1028	hidden_pk_id=279;index_flags=0;index_kv_version=11;index_version_id=4;
SELECT name, se_private_data FROM mysql.columns WHERE table_id=382;
name	se_private_data
id	table_id=1028;
name	table_id=1028;
SELECT name, se_private_data FROM mysql.indexes WHERE table_id=382;
name	se_private_data
SELECT id, se_private_id, se_private_data FROM mysql.tables WHERE name='t_hidden_pk_sk';
id	se_private_id	se_private_data
383	1029	hidden_pk_id=281;index_flags=0;index_kv_version=11;index_version_id=4;
SELECT name, se_private_data FROM mysql.columns WHERE table_id=383;
name	se_private_data
id	table_id=1029;
name	table_id=1029;
SELECT name, se_private_data FROM mysql.indexes WHERE table_id=383;
name	se_private_data
name	index_flags=0;index_kv_version=11;index_type=2;index_version_id=4;subtable_id=280;table_id=1029;
SELECT id, se_private_id, se_private_data FROM mysql.tables WHERE name='t_hidden_pk_uk';
id	se_private_id	se_private_data
384	1030	hidden_pk_id=283;index_flags=0;index_kv_version=11;index_version_id=4;
SELECT name, se_private_data FROM mysql.columns WHERE table_id=384;
name	se_private_data
code	table_id=1030;
id	table_id=1030;
name	table_id=1030;
SELECT name, se_private_data FROM mysql.indexes WHERE table_id=384;
name	se_private_data
code	index_flags=0;index_kv_version=11;index_type=2;index_version_id=4;subtable_id=282;table_id=1030;
SELECT id, se_private_id, se_private_data FROM mysql.tables WHERE name='t_pk';
id	se_private_id	se_private_data
385	1031	NULL
SELECT name, se_private_data FROM mysql.columns WHERE table_id=385;
name	se_private_data
id	table_id=1031;
name	table_id=1031;
SELECT name, se_private_data FROM mysql.indexes WHERE table_id=385;
name	se_private_data
PRIMARY	index_flags=0;index_kv_version=11;index_type=1;index_version_id=4;subtable_id=284;table_id=1031;
SELECT id, se_private_id, se_private_data FROM mysql.tables WHERE name='t_pk_sk';
id	se_private_id	se_private_data
386	1025	NULL
SELECT name, se_private_data FROM mysql.columns WHERE table_id=386;
name	se_private_data
id	table_id=1025;
name	table_id=1025;
SELECT name, se_private_data FROM mysql.indexes WHERE table_id=386;
name	se_private_data
name	index_flags=0;index_kv_version=11;index_type=2;index_version_id=4;subtable_id=286;table_id=1025;
PRIMARY	index_flags=0;index_kv_version=11;index_type=1;index_version_id=4;subtable_id=285;table_id=1025;
SELECT id, se_private_id, se_private_data FROM mysql.tables WHERE name='t_pk_uk';
id	se_private_id	se_private_data
387	1026	NULL
SELECT name, se_private_data FROM mysql.columns WHERE table_id=387;
name	se_private_data
code	table_id=1026;
id	table_id=1026;
name	table_id=1026;
SELECT name, se_private_data FROM mysql.indexes WHERE table_id=387;
name	se_private_data
code	index_flags=0;index_kv_version=11;index_type=2;index_version_id=4;subtable_id=288;table_id=1026;
PRIMARY	index_flags=0;index_kv_version=11;index_type=1;index_version_id=4;subtable_id=287;table_id=1026;
SELECT id, se_private_id, se_private_data FROM mysql.tables WHERE name='t_pk_auto';
id	se_private_id	se_private_data
388	1027	NULL
SELECT name, se_private_data FROM mysql.columns WHERE table_id=388;
name	se_private_data
id	table_id=1027;
name	table_id=1027;
SELECT name, se_private_data FROM mysql.indexes WHERE table_id=388;
name	se_private_data
PRIMARY	index_flags=0;index_kv_version=11;index_type=1;index_version_id=4;subtable_id=289;table_id=1027;
SET SESSION debug='-d,skip_dd_table_access_check';
CREATE SCHEMA test2;
USE test2;
CREATE TABLE t1 LIKE data.t_pk_uk;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `name` varchar(40) COLLATE utf8mb4_general_ci DEFAULT NULL,
  `code` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `code` (`code`)
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
INSERT INTO t1 SELECT * FROM data.t_hidden_pk_uk;
SELECT * FROM t1;
id	name	code
1	abc	2
2	bcd	4
3	def	6
DROP DATABASE test2;
DROP DATABASE data;
# restart: