# This is the test for Information Schema System Table View
# that displays the InnoDB system table content through
# information schema tables.

--source include/innodb_page_size_small.inc

SET @save_stats_persistent = @@GLOBAL.innodb_stats_persistent;
SET GLOBAL innodb_stats_persistent = 0;

LET $MYSQLD_DATADIR = `select @@datadir`;
LET $INNODB_PAGE_SIZE = `select @@innodb_page_size`;

# The IDs of mysql.innodb_table_stats and mysql.innodb_index_stats may
# vary depending on whether the tables have been rebuilt
# by previously run tests.
SELECT table_id INTO @table_stats_id FROM information_schema.innodb_sys_tables
WHERE name = 'mysql/innodb_table_stats';
SELECT table_id INTO @index_stats_id FROM information_schema.innodb_sys_tables
WHERE name = 'mysql/innodb_index_stats';

SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES
WHERE table_id NOT IN (@table_stats_id, @index_stats_id) ORDER BY table_id;

SELECT table_id,pos,mtype,prtype,len,name
FROM INFORMATION_SCHEMA.INNODB_SYS_COLUMNS
WHERE table_id NOT IN (@table_stats_id, @index_stats_id)
ORDER BY table_id, pos;

--replace_column 1 # 3 # 6 # 7 #
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES
WHERE table_id NOT IN (@table_stats_id, @index_stats_id) ORDER BY index_id;

SELECT index_id,pos,name FROM INFORMATION_SCHEMA.INNODB_SYS_FIELDS
WHERE name NOT IN ('database_name', 'table_name', 'index_name', 'stat_name')
ORDER BY index_id, pos;

--sorted_result
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;
--sorted_result
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;

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 KEY_BLOCK_SIZE=2;
CREATE TABLE t_dynamic (a INT KEY, b TEXT) ROW_FORMAT=DYNAMIC ENGINE=innodb;

--source suite/innodb/include/show_i_s_tables.inc
--source suite/innodb/include/show_i_s_tablespaces.inc

DROP TABLE t_redundant, t_compact, t_compressed, t_dynamic;

SELECT count(*) FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS;

# Create a foreign key constraint, and verify the information
# in INFORMATION_SCHEMA.INNODB_SYS_FOREIGN and
# INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS
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;

--sorted_result
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;

--sorted_result
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;

# Insert a row in the table "parent", and see whether that reflected in
# INNODB_SYS_TABLESTATS
INSERT INTO parent VALUES(1);

--source include/wait_all_purged.inc

--sorted_result
SELECT name, num_rows, ref_count
FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name LIKE "%parent";

--sorted_result
SELECT NAME, FLAG, N_COLS FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES
 WHERE name NOT LIKE 'sys/%';

--sorted_result
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%");

--sorted_result
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%");

--sorted_result
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%");

DROP TABLE child;

DROP TABLE parent;

# Create table with 2 columns in the foreign key constraint
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;

--sorted_result
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN;

--sorted_result
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS;

INSERT INTO parent VALUES(1, 9);

# Nested query will open the table handle twice
--sorted_result
SELECT * FROM parent WHERE id IN (SELECT id FROM parent);

--source include/wait_all_purged.inc

--sorted_result
SELECT name, num_rows, ref_count
FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS
WHERE name LIKE "%parent";

DROP TABLE child;

DROP TABLE parent;

--echo #
--echo # MDEV-29479  I_S.INNODB_SYS_TABLESPACES doesn't have
--echo #		temporary tablespace information
--echo #
SELECT SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES WHERE name like 'innodb_temporary';

SET GLOBAL innodb_stats_persistent = @save_stats_persistent;