[ Avaa Bypassed ]

TABLE_ID	NAME	FLAG	N_COLS	SPACE	FILE_FORMAT	ROW_FORMAT	ZIP_PAGE_SIZE
11	SYS_FOREIGN	0	7	0	Antelope	Redundant	0
12	SYS_FOREIGN_COLS	0	7	0	Antelope	Redundant	0
13	SYS_TABLESPACES	0	6	0	Antelope	Redundant	0
14	SYS_DATAFILES	0	5	0	Antelope	Redundant	0
table_id	pos	mtype	prtype	len	name
11	0	1	524292	0	ID
11	1	1	524292	0	FOR_NAME
11	2	1	524292	0	REF_NAME
11	3	6	0	4	N_COLS
12	0	1	524292	0	ID
12	1	6	0	4	POS
12	2	1	524292	0	FOR_COL_NAME
12	3	1	524292	0	REF_COL_NAME
13	0	6	0	4	SPACE
13	1	1	524292	0	NAME
13	2	6	0	4	FLAGS
14	0	6	0	4	SPACE
14	1	1	524292	0	PATH
index_id	table_id	type	n_fields	space	name
11	11	3	1	0	ID_IND
12	11	0	1	0	FOR_IND
13	11	0	1	0	REF_IND
14	12	3	2	0	ID_IND
15	13	3	1	0	SYS_TABLESPACES_SPACE
16	14	3	1	0	SYS_DATAFILES_SPACE
SELECT index_id,pos,name FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS
WHERE name NOT IN ('database_name', 'table_name', 'index_name', 'stat_name', 'id', 'host', 'port')
ORDER BY index_id, pos;
index_id	pos	name
12	0	FOR_NAME
13	0	REF_NAME
14	1	POS
15	0	SPACE
16	0	SPACE
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
ID	FOR_NAME	REF_NAME	N_COLS	TYPE
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
ID	FOR_COL_NAME	REF_COL_NAME	POS
SET GLOBAL innodb_file_format=`Barracuda`;
SET GLOBAL innodb_file_per_table=ON;
DROP TABLE IF EXISTS t_redundant, t_compact, t_compressed, t_dynamic;
CREATE TABLE t_redundant (a INT KEY, b TEXT) ROW_FORMAT=REDUNDANT ENGINE=innodb;
CREATE TABLE t_compact (a INT KEY, b TEXT) ROW_FORMAT=COMPACT ENGINE=innodb;
CREATE TABLE t_compressed (a INT KEY, b TEXT) ROW_FORMAT=COMPRESSED ENGINE=innodb;
CREATE TABLE t_dynamic (a INT KEY, b TEXT) ROW_FORMAT=DYNAMIC ENGINE=innodb;
SELECT name, n_cols, file_format, row_format
FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES
WHERE space > 0;
name	n_cols	file_format	row_format
mysql/innodb_index_stats	11	Antelope	Compact
mysql/innodb_table_stats	9	Antelope	Compact
mysql/slave_master_info	26	Antelope	Compact
mysql/slave_relay_log_info	11	Antelope	Compact
mysql/slave_worker_info	15	Antelope	Compact
test/t_compact	5	Antelope	Compact
test/t_compressed	5	Barracuda	Compressed
test/t_dynamic	5	Barracuda	Dynamic
test/t_redundant	5	Antelope	Redundant
SELECT name, file_format, row_format
FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES
WHERE name LIKE 'test%';
name	file_format	row_format
test/t_compact	Antelope	Compact or Redundant
test/t_compressed	Barracuda	Compressed
test/t_dynamic	Barracuda	Dynamic
test/t_redundant	Antelope	Compact or Redundant
SELECT path FROM INFORMATION_SCHEMA.INNODB_SYS_DATAFILES
WHERE path LIKE '%test%';
path
MYSQLD_DATADIR/test/t_compact.ibd
MYSQLD_DATADIR/test/t_compressed.ibd
MYSQLD_DATADIR/test/t_dynamic.ibd
MYSQLD_DATADIR/test/t_redundant.ibd
DROP TABLE t_redundant, t_compact, t_compressed, t_dynamic;
SELECT count(*) FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS;
count(*)
9
CREATE TABLE parent (id INT NOT NULL,
PRIMARY KEY (id)) ENGINE=INNODB;
CREATE TABLE child (id INT, parent_id INT,
INDEX par_ind (parent_id),
CONSTRAINT constraint_test
FOREIGN KEY (parent_id) REFERENCES parent(id)
ON DELETE CASCADE) ENGINE=INNODB;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
ID	FOR_NAME	REF_NAME	N_COLS	TYPE
test/constraint_test	test/child	test/parent	1	1
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
ID	FOR_COL_NAME	REF_COL_NAME	POS
test/constraint_test	parent_id	id	0
INSERT INTO parent VALUES(1);
SELECT name, num_rows, ref_count 
FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name LIKE "%parent";
name	num_rows	ref_count
test/parent	1	1
SELECT NAME, FLAG, N_COLS FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES;
NAME	FLAG	N_COLS
SYS_DATAFILES	0	5
SYS_FOREIGN	0	7
SYS_FOREIGN_COLS	0	7
SYS_TABLESPACES	0	6
mysql/innodb_index_stats	1	11
mysql/innodb_table_stats	1	9
mysql/slave_master_info	1	26
mysql/slave_relay_log_info	1	11
mysql/slave_worker_info	1	15
test/child	1	5
test/parent	1	4
SELECT name, n_fields
from INFORMATION_SCHEMA.INNODB_SYS_INDEXES
WHERE table_id In (SELECT table_id from
INFORMATION_SCHEMA.INNODB_SYS_TABLES
WHERE name LIKE "%parent%");
name	n_fields
PRIMARY	1
SELECT name, n_fields
from INFORMATION_SCHEMA.INNODB_SYS_INDEXES
WHERE table_id In (SELECT table_id from
INFORMATION_SCHEMA.INNODB_SYS_TABLES
WHERE name LIKE "%child%");
name	n_fields
GEN_CLUST_INDEX	0
par_ind	1
SELECT name, pos, mtype, len
from INFORMATION_SCHEMA.INNODB_SYS_COLUMNS
WHERE table_id In (SELECT table_id from
INFORMATION_SCHEMA.INNODB_SYS_TABLES
WHERE name LIKE "%child%");
name	pos	mtype	len
id	0	6	4
parent_id	1	6	4
DROP TABLE child;
DROP TABLE parent;
CREATE TABLE parent (id INT NOT NULL, newid INT NOT NULL,
PRIMARY KEY (id, newid)) ENGINE=INNODB;
CREATE TABLE child (id INT, parent_id INT,
INDEX par_ind (parent_id),
CONSTRAINT constraint_test
FOREIGN KEY (id, parent_id) REFERENCES parent(id, newid)
ON DELETE CASCADE) ENGINE=INNODB;
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
ID	FOR_NAME	REF_NAME	N_COLS	TYPE
test/constraint_test	test/child	test/parent	2	1
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;
ID	FOR_COL_NAME	REF_COL_NAME	POS
test/constraint_test	id	id	0
test/constraint_test	parent_id	newid	1
INSERT INTO parent VALUES(1, 9);
SELECT * FROM parent WHERE id IN (SELECT id FROM parent);
id	newid
1	9
SELECT name, num_rows, ref_count 
FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name LIKE "%parent";
name	num_rows	ref_count
test/parent	1	2
DROP TABLE child;
DROP TABLE parent;