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SHOW TABLES FROM information_schema LIKE 'TABLE_CONSTRAINTS';
Tables_in_information_schema (TABLE_CONSTRAINTS)
TABLE_CONSTRAINTS
#######################################################################
# Testcase 3.2.1.1: INFORMATION_SCHEMA tables can be queried via SELECT
#######################################################################
DROP VIEW IF EXISTS test.v1;
DROP PROCEDURE IF EXISTS test.p1;
DROP FUNCTION IF EXISTS test.f1;
CREATE VIEW test.v1 AS SELECT * FROM information_schema.TABLE_CONSTRAINTS;
CREATE PROCEDURE test.p1() SELECT * FROM information_schema.TABLE_CONSTRAINTS;
CREATE FUNCTION test.f1() returns BIGINT
BEGIN
DECLARE counter BIGINT DEFAULT NULL;
SELECT COUNT(*) INTO counter FROM information_schema.TABLE_CONSTRAINTS;
RETURN counter;
END//
# Attention: The printing of the next result sets is disabled.
SELECT * FROM information_schema.TABLE_CONSTRAINTS;
SELECT * FROM test.v1;
CALL test.p1;
SELECT test.f1();
DROP VIEW test.v1;
DROP PROCEDURE test.p1;
DROP FUNCTION test.f1;
#########################################################################
# Testcase 3.2.10.1: INFORMATION_SCHEMA.TABLE_CONSTRAINTS layout
#########################################################################
DESCRIBE information_schema.TABLE_CONSTRAINTS;
Field Type Null Key Default Extra
CONSTRAINT_CATALOG varchar(512) NO NULL
CONSTRAINT_SCHEMA varchar(64) NO NULL
CONSTRAINT_NAME varchar(64) NO NULL
TABLE_SCHEMA varchar(64) NO NULL
TABLE_NAME varchar(64) NO NULL
CONSTRAINT_TYPE varchar(64) NO NULL
SHOW CREATE TABLE information_schema.TABLE_CONSTRAINTS;
Table Create Table
TABLE_CONSTRAINTS CREATE TEMPORARY TABLE `TABLE_CONSTRAINTS` (
`CONSTRAINT_CATALOG` varchar(512) NOT NULL,
`CONSTRAINT_SCHEMA` varchar(64) NOT NULL,
`CONSTRAINT_NAME` varchar(64) NOT NULL,
`TABLE_SCHEMA` varchar(64) NOT NULL,
`TABLE_NAME` varchar(64) NOT NULL,
`CONSTRAINT_TYPE` varchar(64) NOT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
SHOW COLUMNS FROM information_schema.TABLE_CONSTRAINTS;
Field Type Null Key Default Extra
CONSTRAINT_CATALOG varchar(512) NO NULL
CONSTRAINT_SCHEMA varchar(64) NO NULL
CONSTRAINT_NAME varchar(64) NO NULL
TABLE_SCHEMA varchar(64) NO NULL
TABLE_NAME varchar(64) NO NULL
CONSTRAINT_TYPE varchar(64) NO NULL
SELECT constraint_catalog, constraint_schema, constraint_name,
table_schema, table_name
FROM information_schema.table_constraints
WHERE constraint_catalog IS NOT NULL
ORDER BY constraint_schema, table_name, constraint_name;
constraint_catalog constraint_schema constraint_name table_schema table_name
def mysql PRIMARY mysql columns_priv
def mysql PRIMARY mysql column_stats
def mysql PRIMARY mysql db
def mysql PRIMARY mysql event
def mysql PRIMARY mysql func
def mysql PRIMARY mysql global_priv
def mysql Priv mysql global_priv
def mysql PRIMARY mysql gtid_slave_pos
def mysql name mysql help_category
def mysql PRIMARY mysql help_category
def mysql name mysql help_keyword
def mysql PRIMARY mysql help_keyword
def mysql PRIMARY mysql help_relation
def mysql name mysql help_topic
def mysql PRIMARY mysql help_topic
def mysql PRIMARY mysql index_stats
def mysql PRIMARY mysql innodb_index_stats
def mysql PRIMARY mysql innodb_table_stats
def mysql PRIMARY mysql plugin
def mysql PRIMARY mysql proc
def mysql PRIMARY mysql procs_priv
def mysql PRIMARY mysql proxies_priv
def mysql Host mysql roles_mapping
def mysql Options mysql servers
def mysql PRIMARY mysql servers
def mysql PRIMARY mysql tables_priv
def mysql PRIMARY mysql table_stats
def mysql PRIMARY mysql time_zone
def mysql PRIMARY mysql time_zone_leap_second
def mysql PRIMARY mysql time_zone_name
def mysql PRIMARY mysql time_zone_transition
def mysql PRIMARY mysql time_zone_transition_type
def mysql commit_id mysql transaction_registry
def mysql PRIMARY mysql transaction_registry
def sys PRIMARY sys sys_config
#########################################################################################
# Testcase 3.2.7.2 + 3.2.7.3: INFORMATION_SCHEMA.TABLE_CONSTRAINTS accessible information
#########################################################################################
CREATE DATABASE db_datadict;
CREATE TABLE db_datadict.t1 (f1 BIGINT, f2 BIGINT, f3 BIGINT, f4 BIGINT,
f5 BIGINT, f6 BIGINT, PRIMARY KEY (f1,f2))
ENGINE = <some_engine_type>;
CREATE UNIQUE INDEX my_idx1 ON db_datadict.t1(f6,f1);
CREATE UNIQUE INDEX my_idx2 ON db_datadict.t1(f3);
CREATE TABLE db_datadict.t2 (f1 BIGINT, f2 BIGINT, f3 BIGINT, f4 BIGINT,
f5 BIGINT, f6 BIGINT, PRIMARY KEY (f1,f2))
ENGINE = <some_engine_type>;
CREATE USER 'testuser1'@'localhost';
GRANT SELECT(f5), UPDATE(f6) ON db_datadict.t1 TO 'testuser1'@'localhost';
SHOW GRANTS FOR 'testuser1'@'localhost';
Grants for testuser1@localhost
GRANT USAGE ON *.* TO `testuser1`@`localhost`
GRANT SELECT (`f5`), UPDATE (`f6`) ON `db_datadict`.`t1` TO `testuser1`@`localhost`
SELECT * FROM information_schema.table_constraints
WHERE table_schema = 'db_datadict'
ORDER BY table_schema,table_name, constraint_name;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_SCHEMA TABLE_NAME CONSTRAINT_TYPE
def db_datadict my_idx1 db_datadict t1 UNIQUE
def db_datadict my_idx2 db_datadict t1 UNIQUE
def db_datadict PRIMARY db_datadict t1 PRIMARY KEY
def db_datadict PRIMARY db_datadict t2 PRIMARY KEY
SHOW INDEXES FROM db_datadict.t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored
t1 0 PRIMARY 1 f1 ### ### ### ### ### ### ### NO
t1 0 PRIMARY 2 f2 ### ### ### ### ### ### ### NO
t1 0 my_idx1 1 f6 ### ### ### ### ### ### ### NO
t1 0 my_idx1 2 f1 ### ### ### ### ### ### ### NO
t1 0 my_idx2 1 f3 ### ### ### ### ### ### ### NO
SHOW INDEXES FROM db_datadict.t2;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored
t2 0 PRIMARY 1 f1 ### ### ### ### ### ### ### NO
t2 0 PRIMARY 2 f2 ### ### ### ### ### ### ### NO
connect testuser1, localhost, testuser1, , db_datadict;
SHOW GRANTS FOR 'testuser1'@'localhost';
Grants for testuser1@localhost
GRANT USAGE ON *.* TO `testuser1`@`localhost`
GRANT SELECT (`f5`), UPDATE (`f6`) ON `db_datadict`.`t1` TO `testuser1`@`localhost`
SELECT * FROM information_schema.table_constraints
WHERE table_schema = 'db_datadict'
ORDER BY table_schema,table_name, constraint_name;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_SCHEMA TABLE_NAME CONSTRAINT_TYPE
def db_datadict my_idx1 db_datadict t1 UNIQUE
def db_datadict my_idx2 db_datadict t1 UNIQUE
def db_datadict PRIMARY db_datadict t1 PRIMARY KEY
SHOW INDEXES FROM db_datadict.t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored
SHOW INDEXES FROM db_datadict.t2;
ERROR 42000: SELECT command denied to user 'testuser1'@'localhost' for table `db_datadict`.`t2`
connection default;
disconnect testuser1;
DROP USER 'testuser1'@'localhost';
DROP DATABASE db_datadict;
#########################################################################################
# Testcase 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.TABLE_CONSTRAINTS modifications
#########################################################################################
CREATE DATABASE db_datadict;
SELECT table_name FROM information_schema.table_constraints
WHERE table_name LIKE 't1_my_table%';
table_name
CREATE TABLE test.t1_my_table
(f1 CHAR(12), f2 TIMESTAMP, f4 BIGINT, PRIMARY KEY(f1))
DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci
ENGINE = <engine_type>;
SELECT constraint_name, table_schema, table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_table';
constraint_name table_schema table_name constraint_type
PRIMARY test t1_my_table PRIMARY KEY
SELECT table_name FROM information_schema.table_constraints
WHERE table_name LIKE 't1_my_table%';
table_name
t1_my_table
RENAME TABLE test.t1_my_table TO test.t1_my_tablex;
SELECT table_name FROM information_schema.table_constraints
WHERE table_name LIKE 't1_my_table%';
table_name
t1_my_tablex
SELECT table_schema,table_name FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_schema table_name
test t1_my_tablex
RENAME TABLE test.t1_my_tablex TO db_datadict.t1_my_tablex;
SELECT table_schema,table_name FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_schema table_name
db_datadict t1_my_tablex
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
CREATE INDEX f2 ON db_datadict.t1_my_tablex(f2);
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
DROP INDEX f2 ON db_datadict.t1_my_tablex;
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
ALTER TABLE db_datadict.t1_my_tablex ADD UNIQUE (f2);
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict f2 db_datadict t1_my_tablex UNIQUE
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
DROP INDEX f2 ON db_datadict.t1_my_tablex;
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
ALTER TABLE db_datadict.t1_my_tablex ADD UNIQUE my_idx (f4,f1);
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict my_idx db_datadict t1_my_tablex UNIQUE
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
DROP INDEX my_idx ON db_datadict.t1_my_tablex;
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
ALTER TABLE db_datadict.t1_my_tablex ADD UNIQUE my_idx (f2);
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict my_idx db_datadict t1_my_tablex UNIQUE
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict my_idx db_datadict t1_my_tablex UNIQUE
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
ALTER TABLE db_datadict.t1_my_tablex
DROP COLUMN f2;
SELECT constraint_schema, constraint_name, table_schema,
table_name, constraint_type
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex'
ORDER BY table_schema,table_name, constraint_name;
constraint_schema constraint_name table_schema table_name constraint_type
db_datadict PRIMARY db_datadict t1_my_tablex PRIMARY KEY
SELECT table_name
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_name
t1_my_tablex
DROP TABLE db_datadict.t1_my_tablex;
SELECT table_name
FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_name
SELECT table_name FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_name
CREATE TABLE db_datadict.t1_my_tablex
ENGINE = <engine_type> AS
SELECT 1 AS f1;
SELECT table_name FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_name
ALTER TABLE db_datadict.t1_my_tablex ADD PRIMARY KEY(f1);
SELECT table_name FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_name
t1_my_tablex
SELECT table_name FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_name
t1_my_tablex
DROP DATABASE db_datadict;
SELECT table_name FROM information_schema.table_constraints
WHERE table_name = 't1_my_tablex';
table_name
########################################################################
# Testcases 3.2.1.3-3.2.1.5 + 3.2.1.8-3.2.1.12: INSERT/UPDATE/DELETE and
# DDL on INFORMATION_SCHEMA tables are not supported
########################################################################
CREATE DATABASE db_datadict;
CREATE TABLE db_datadict.t1 (f1 BIGINT, UNIQUE(f1))
ENGINE = <engine_type>;
INSERT INTO information_schema.table_constraints
(constraint_schema, constraint_name, table_name)
VALUES ( 'mysql', 'primary', 'db');
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
INSERT INTO information_schema.table_constraints
SELECT * FROM information_schema.table_constraints;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
UPDATE information_schema.table_constraints
SET table_name = 'db1' WHERE constraint_name = 'primary';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DELETE FROM information_schema.table_constraints WHERE table_name = 't1';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
TRUNCATE information_schema.table_constraints;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
CREATE INDEX i3 ON information_schema.table_constraints(table_name);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.table_constraints ADD f1 INT;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP TABLE information_schema.table_constraints;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.table_constraints
RENAME db_datadict.table_constraints;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.table_constraints
RENAME information_schema.xtable_constraints;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP TABLE db_datadict.t1;
DROP DATABASE db_datadict;
|
