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a63ceaeab10fc1fc72f5853ce14b278da95579b4
mariadb/mysql-test/suite/funcs_1/r/is_columns.result
Monty 6b20342651 Ensure that fields declared with NOT NULL doesn't have DEFAULT values if not specified and if not timestamp or auto_increment 
In original code, sometimes one got an automatic DEFAULT value in some cases, in other cases not.

For example:
create table t1 (a int primary key)      - No default
create table t2 (a int, primary key(a))  - DEFAULT 0
create table t1 SELECT ....              - Default for all fields, even if they where defined as NOT NULL
ALTER TABLE ... MODIFY could sometimes add an unexpected DEFAULT value.

The patch is quite big because we had some many test cases that used
CREATE ... SELECT or CREATE ... (...PRIMARY KEY(xxx)) which doesn't have an automatic DEFAULT anymore.

Other things:
- Removed warnings from InnoDB when waiting from semaphore (got this when testing things with --big)
2015-08-18 11:18:57 +03:00

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SHOW TABLES FROM information_schema LIKE 'COLUMNS';
Tables_in_information_schema (COLUMNS)
COLUMNS
#######################################################################
# 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.COLUMNS;
CREATE PROCEDURE test.p1() SELECT * FROM information_schema.COLUMNS;
CREATE FUNCTION test.f1() returns BIGINT
BEGIN
DECLARE counter BIGINT DEFAULT NULL;
SELECT COUNT(*) INTO counter FROM information_schema.COLUMNS;
RETURN counter;
END//
# Attention: The printing of the next result sets is disabled.
SELECT * FROM information_schema.COLUMNS;
SELECT * FROM test.v1;
CALL test.p1;
SELECT test.f1();
DROP VIEW test.v1;
DROP PROCEDURE test.p1;
DROP FUNCTION test.f1;
#########################################################################
# Testcase 3.2.6.1: INFORMATION_SCHEMA.COLUMNS layout
#########################################################################
DESCRIBE information_schema.COLUMNS;
Field Type Null Key Default Extra
TABLE_CATALOG varchar(512) NO
TABLE_SCHEMA varchar(64) NO
TABLE_NAME varchar(64) NO
COLUMN_NAME varchar(64) NO
ORDINAL_POSITION bigint(21) unsigned NO 0
COLUMN_DEFAULT longtext YES NULL
IS_NULLABLE varchar(3) NO
DATA_TYPE varchar(64) NO
CHARACTER_MAXIMUM_LENGTH bigint(21) unsigned YES NULL
CHARACTER_OCTET_LENGTH bigint(21) unsigned YES NULL
NUMERIC_PRECISION bigint(21) unsigned YES NULL
NUMERIC_SCALE bigint(21) unsigned YES NULL
DATETIME_PRECISION bigint(21) unsigned YES NULL
CHARACTER_SET_NAME varchar(32) YES NULL
COLLATION_NAME varchar(32) YES NULL
COLUMN_TYPE longtext NO NULL
COLUMN_KEY varchar(3) NO
EXTRA varchar(27) NO
PRIVILEGES varchar(80) NO
COLUMN_COMMENT varchar(1024) NO
SHOW CREATE TABLE information_schema.COLUMNS;
Table Create Table
COLUMNS CREATE TEMPORARY TABLE `COLUMNS` (
`TABLE_CATALOG` varchar(512) NOT NULL DEFAULT '',
`TABLE_SCHEMA` varchar(64) NOT NULL DEFAULT '',
`TABLE_NAME` varchar(64) NOT NULL DEFAULT '',
`COLUMN_NAME` varchar(64) NOT NULL DEFAULT '',
`ORDINAL_POSITION` bigint(21) unsigned NOT NULL DEFAULT '0',
`COLUMN_DEFAULT` longtext,
`IS_NULLABLE` varchar(3) NOT NULL DEFAULT '',
`DATA_TYPE` varchar(64) NOT NULL DEFAULT '',
`CHARACTER_MAXIMUM_LENGTH` bigint(21) unsigned DEFAULT NULL,
`CHARACTER_OCTET_LENGTH` bigint(21) unsigned DEFAULT NULL,
`NUMERIC_PRECISION` bigint(21) unsigned DEFAULT NULL,
`NUMERIC_SCALE` bigint(21) unsigned DEFAULT NULL,
`DATETIME_PRECISION` bigint(21) unsigned DEFAULT NULL,
`CHARACTER_SET_NAME` varchar(32) DEFAULT NULL,
`COLLATION_NAME` varchar(32) DEFAULT NULL,
`COLUMN_TYPE` longtext NOT NULL,
`COLUMN_KEY` varchar(3) NOT NULL DEFAULT '',
`EXTRA` varchar(27) NOT NULL DEFAULT '',
`PRIVILEGES` varchar(80) NOT NULL DEFAULT '',
`COLUMN_COMMENT` varchar(1024) NOT NULL DEFAULT ''
) DEFAULT CHARSET=utf8
SHOW COLUMNS FROM information_schema.COLUMNS;
Field Type Null Key Default Extra
TABLE_CATALOG varchar(512) NO
TABLE_SCHEMA varchar(64) NO
TABLE_NAME varchar(64) NO
COLUMN_NAME varchar(64) NO
ORDINAL_POSITION bigint(21) unsigned NO 0
COLUMN_DEFAULT longtext YES NULL
IS_NULLABLE varchar(3) NO
DATA_TYPE varchar(64) NO
CHARACTER_MAXIMUM_LENGTH bigint(21) unsigned YES NULL
CHARACTER_OCTET_LENGTH bigint(21) unsigned YES NULL
NUMERIC_PRECISION bigint(21) unsigned YES NULL
NUMERIC_SCALE bigint(21) unsigned YES NULL
DATETIME_PRECISION bigint(21) unsigned YES NULL
CHARACTER_SET_NAME varchar(32) YES NULL
COLLATION_NAME varchar(32) YES NULL
COLUMN_TYPE longtext NO NULL
COLUMN_KEY varchar(3) NO
EXTRA varchar(27) NO
PRIVILEGES varchar(80) NO
COLUMN_COMMENT varchar(1024) NO
SELECT table_catalog, table_schema, table_name, column_name
FROM information_schema.columns WHERE table_catalog IS NULL OR table_catalog <> 'def';
table_catalog table_schema table_name column_name
###############################################################################
# Testcase 3.2.6.2 + 3.2.6.3: INFORMATION_SCHEMA.COLUMNS accessible information
###############################################################################
DROP DATABASE IF EXISTS db_datadict;
CREATE DATABASE db_datadict;
DROP USER 'testuser1'@'localhost';
CREATE USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
CREATE USER 'testuser2'@'localhost';
CREATE TABLE db_datadict.t1
(f1 CHAR(10), f2 TEXT, f3 DATE, f4 INT AUTO_INCREMENT,
UNIQUE INDEX MUL_IDX(f1,f3), PRIMARY KEY (f4))
ENGINE = <other_engine_type>;
CREATE VIEW db_datadict.v1 AS SELECT 1 AS f1, 1 AS f2;
GRANT SELECT(f1, f2) ON db_datadict.t1 TO 'testuser1'@'localhost';
GRANT SELECT(f2) ON db_datadict.v1 TO 'testuser1'@'localhost';
CREATE TABLE db_datadict.t2
(f1 CHAR(10), f2 TEXT, f3 DATE, f4 INT, PRIMARY KEY (f1,f4))
ENGINE = <other_engine_type>;
GRANT INSERT(f1, f2) ON db_datadict.t2 TO 'testuser2'@'localhost';
SELECT * FROM information_schema.columns
WHERE table_schema = 'db_datadict'
ORDER BY table_schema, table_name, ordinal_position;
TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION COLUMN_DEFAULT IS_NULLABLE DATA_TYPE CHARACTER_MAXIMUM_LENGTH CHARACTER_OCTET_LENGTH NUMERIC_PRECISION NUMERIC_SCALE DATETIME_PRECISION CHARACTER_SET_NAME COLLATION_NAME COLUMN_TYPE COLUMN_KEY EXTRA PRIVILEGES COLUMN_COMMENT
def db_datadict t1 f1 1 NULL YES char 10 10 NULL NULL NULL latin1 latin1_swedish_ci char(10) MUL select,insert,update,references
def db_datadict t1 f2 2 NULL YES text 65535 65535 NULL NULL NULL latin1 latin1_swedish_ci text select,insert,update,references
def db_datadict t1 f3 3 NULL YES date NULL NULL NULL NULL NULL NULL NULL date select,insert,update,references
def db_datadict t1 f4 4 NULL NO int NULL NULL 10 0 NULL NULL NULL int(11) PRI auto_increment select,insert,update,references
def db_datadict t2 f1 1 NULL NO char 10 10 NULL NULL NULL latin1 latin1_swedish_ci char(10) PRI select,insert,update,references
def db_datadict t2 f2 2 NULL YES text 65535 65535 NULL NULL NULL latin1 latin1_swedish_ci text select,insert,update,references
def db_datadict t2 f3 3 NULL YES date NULL NULL NULL NULL NULL NULL NULL date select,insert,update,references
def db_datadict t2 f4 4 NULL NO int NULL NULL 10 0 NULL NULL NULL int(11) PRI select,insert,update,references
def db_datadict v1 f1 1 0 NO int NULL NULL 10 0 NULL NULL NULL int(1) select,insert,update,references
def db_datadict v1 f2 2 0 NO int NULL NULL 10 0 NULL NULL NULL int(1) select,insert,update,references
SHOW COLUMNS FROM db_datadict.t1;
Field Type Null Key Default Extra
f1 char(10) YES MUL NULL
f2 text YES NULL
f3 date YES NULL
f4 int(11) NO PRI NULL auto_increment
SHOW COLUMNS FROM db_datadict.t2;
Field Type Null Key Default Extra
f1 char(10) NO PRI NULL
f2 text YES NULL
f3 date YES NULL
f4 int(11) NO PRI NULL
SHOW COLUMNS FROM db_datadict.v1;
Field Type Null Key Default Extra
f1 int(1) NO 0
f2 int(1) NO 0
# Establish connection testuser1 (user=testuser1)
SELECT * FROM information_schema.columns
WHERE table_schema = 'db_datadict'
ORDER BY table_schema, table_name, ordinal_position;
TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION COLUMN_DEFAULT IS_NULLABLE DATA_TYPE CHARACTER_MAXIMUM_LENGTH CHARACTER_OCTET_LENGTH NUMERIC_PRECISION NUMERIC_SCALE DATETIME_PRECISION CHARACTER_SET_NAME COLLATION_NAME COLUMN_TYPE COLUMN_KEY EXTRA PRIVILEGES COLUMN_COMMENT
def db_datadict t1 f1 1 NULL YES char 10 10 NULL NULL NULL latin1 latin1_swedish_ci char(10) MUL select
def db_datadict t1 f2 2 NULL YES text 65535 65535 NULL NULL NULL latin1 latin1_swedish_ci text select
def db_datadict v1 f2 2 0 NO int NULL NULL 10 0 NULL NULL NULL int(1) select
SHOW COLUMNS FROM db_datadict.t1;
Field Type Null Key Default Extra
f1 char(10) YES MUL NULL
f2 text YES NULL
SHOW COLUMNS FROM db_datadict.t2;
ERROR 42000: SELECT command denied to user 'testuser1'@'localhost' for table 't2'
SHOW COLUMNS FROM db_datadict.v1;
Field Type Null Key Default Extra
f2 int(1) NO 0
# Establish connection testuser2 (user=testuser2)
SELECT * FROM information_schema.columns
WHERE table_schema = 'db_datadict'
ORDER BY table_schema, table_name, ordinal_position;
TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION COLUMN_DEFAULT IS_NULLABLE DATA_TYPE CHARACTER_MAXIMUM_LENGTH CHARACTER_OCTET_LENGTH NUMERIC_PRECISION NUMERIC_SCALE DATETIME_PRECISION CHARACTER_SET_NAME COLLATION_NAME COLUMN_TYPE COLUMN_KEY EXTRA PRIVILEGES COLUMN_COMMENT
def db_datadict t2 f1 1 NULL NO char 10 10 NULL NULL NULL latin1 latin1_swedish_ci char(10) PRI insert
def db_datadict t2 f2 2 NULL YES text 65535 65535 NULL NULL NULL latin1 latin1_swedish_ci text insert
SHOW COLUMNS FROM db_datadict.t1;
ERROR 42000: SELECT command denied to user 'testuser2'@'localhost' for table 't1'
SHOW COLUMNS FROM db_datadict.t2;
Field Type Null Key Default Extra
f1 char(10) NO PRI NULL
f2 text YES NULL
SHOW COLUMNS FROM db_datadict.v1;
ERROR 42000: SELECT command denied to user 'testuser2'@'localhost' for table 'v1'
# Switch to connection default and close connections testuser1, testuser2
DROP USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
DROP DATABASE IF EXISTS db_datadict;
###############################################################################
# Testcase 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.COLUMNS modifications
###############################################################################
DROP TABLE IF EXISTS test.t1_my_table;
DROP DATABASE IF EXISTS db_datadict;
CREATE DATABASE db_datadict;
SELECT table_name FROM information_schema.columns
WHERE table_name LIKE 't1_my_table%';
table_name
CREATE TABLE test.t1_my_table (f1 CHAR(12))
DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci
ENGINE = <engine_type>;
SELECT * FROM information_schema.columns
WHERE table_name = 't1_my_table';
TABLE_CATALOG def
TABLE_SCHEMA test
TABLE_NAME t1_my_table
COLUMN_NAME f1
ORDINAL_POSITION 1
COLUMN_DEFAULT NULL
IS_NULLABLE YES
DATA_TYPE char
CHARACTER_MAXIMUM_LENGTH 12
CHARACTER_OCTET_LENGTH 12
NUMERIC_PRECISION NULL
NUMERIC_SCALE NULL
DATETIME_PRECISION NULL
CHARACTER_SET_NAME latin1
COLLATION_NAME latin1_swedish_ci
COLUMN_TYPE char(12)
COLUMN_KEY
EXTRA
PRIVILEGES select,insert,update,references
COLUMN_COMMENT
SELECT table_name FROM information_schema.columns
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.columns
WHERE table_name LIKE 't1_my_table%';
table_name
t1_my_tablex
SELECT table_schema,table_name FROM information_schema.columns
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.columns
WHERE table_name = 't1_my_tablex';
table_schema table_name
db_datadict t1_my_tablex
SELECT table_name, column_name FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name
t1_my_tablex f1
ALTER TABLE db_datadict.t1_my_tablex CHANGE COLUMN f1 first_col CHAR(12);
SELECT table_name, column_name FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name
t1_my_tablex first_col
SELECT table_name, column_name, character_maximum_length,
character_octet_length, column_type
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name character_maximum_length character_octet_length column_type
t1_my_tablex first_col 12 12 char(12)
ALTER TABLE db_datadict.t1_my_tablex
MODIFY COLUMN first_col CHAR(20);
SELECT table_name, column_name, character_maximum_length,
character_octet_length, column_type
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name character_maximum_length character_octet_length column_type
t1_my_tablex first_col 20 20 char(20)
SELECT table_name, column_name, character_maximum_length,
character_octet_length, column_type
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name character_maximum_length character_octet_length column_type
t1_my_tablex first_col 20 20 char(20)
ALTER TABLE db_datadict.t1_my_tablex
MODIFY COLUMN first_col VARCHAR(20);
SELECT table_name, column_name, character_maximum_length,
character_octet_length, column_type
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name character_maximum_length character_octet_length column_type
t1_my_tablex first_col 20 20 varchar(20)
SELECT table_name, column_name, column_default
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name column_default
t1_my_tablex first_col NULL
ALTER TABLE db_datadict.t1_my_tablex
MODIFY COLUMN first_col CHAR(10) DEFAULT 'hello';
SELECT table_name, column_name, column_default
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name column_default
t1_my_tablex first_col hello
SELECT table_name, column_name, is_nullable
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name is_nullable
t1_my_tablex first_col YES
ALTER TABLE db_datadict.t1_my_tablex
MODIFY COLUMN first_col CHAR(10) NOT NULL;
SELECT table_name, column_name, is_nullable
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name is_nullable
t1_my_tablex first_col NO
SELECT table_name, column_name, collation_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name collation_name
t1_my_tablex first_col latin1_swedish_ci
ALTER TABLE db_datadict.t1_my_tablex
MODIFY COLUMN first_col CHAR(10) COLLATE 'latin1_general_cs';
SELECT table_name, column_name, collation_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name collation_name
t1_my_tablex first_col latin1_general_cs
SELECT table_name, column_name, character_maximum_length,
character_octet_length, character_set_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name character_maximum_length character_octet_length character_set_name
t1_my_tablex first_col 10 10 latin1
ALTER TABLE db_datadict.t1_my_tablex
MODIFY COLUMN first_col CHAR(10) CHARACTER SET utf8;
SELECT table_name, column_name, character_maximum_length,
character_octet_length, character_set_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name character_maximum_length character_octet_length character_set_name
t1_my_tablex first_col 10 30 utf8
SELECT table_name, column_name, column_comment
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name column_comment
t1_my_tablex first_col
ALTER TABLE db_datadict.t1_my_tablex
MODIFY COLUMN first_col CHAR(10) COMMENT 'Hello';
SELECT table_name, column_name, column_comment
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name column_comment
t1_my_tablex first_col Hello
SELECT table_name, column_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name
t1_my_tablex first_col
ALTER TABLE db_datadict.t1_my_tablex
ADD COLUMN second_col CHAR(10);
SELECT table_name, column_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name
t1_my_tablex first_col
t1_my_tablex second_col
SELECT table_name, column_name, ordinal_position
FROM information_schema.columns
WHERE table_name = 't1_my_tablex'
ORDER BY table_name, column_name;
table_name column_name ordinal_position
t1_my_tablex first_col 1
t1_my_tablex second_col 2
ALTER TABLE db_datadict.t1_my_tablex
MODIFY COLUMN second_col CHAR(10) FIRST;
SELECT table_name, column_name, ordinal_position
FROM information_schema.columns
WHERE table_name = 't1_my_tablex'
ORDER BY table_name, column_name;
table_name column_name ordinal_position
t1_my_tablex first_col 2
t1_my_tablex second_col 1
SELECT table_name, column_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name
t1_my_tablex second_col
t1_my_tablex first_col
ALTER TABLE db_datadict.t1_my_tablex
DROP COLUMN first_col;
SELECT table_name, column_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name
t1_my_tablex second_col
SELECT table_name, column_name, column_key
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name column_key
t1_my_tablex second_col
ALTER TABLE db_datadict.t1_my_tablex
ADD UNIQUE INDEX IDX(second_col);
SELECT table_name, column_name, column_key
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name column_key
t1_my_tablex second_col UNI
SELECT table_name, column_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name
t1_my_tablex second_col
DROP TABLE db_datadict.t1_my_tablex;
SELECT table_name, column_name
FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name column_name
CREATE VIEW test.t1_my_tablex
AS SELECT 1 AS "col1", 'A' collate latin1_german1_ci AS "col2";
SELECT * FROM information_schema.columns
WHERE table_name = 't1_my_tablex'
ORDER BY table_name, column_name;
TABLE_CATALOG def
TABLE_SCHEMA test
TABLE_NAME t1_my_tablex
COLUMN_NAME col1
ORDINAL_POSITION 1
COLUMN_DEFAULT 0
IS_NULLABLE NO
DATA_TYPE int
CHARACTER_MAXIMUM_LENGTH NULL
CHARACTER_OCTET_LENGTH NULL
NUMERIC_PRECISION 10
NUMERIC_SCALE 0
DATETIME_PRECISION NULL
CHARACTER_SET_NAME NULL
COLLATION_NAME NULL
COLUMN_TYPE int(1)
COLUMN_KEY
EXTRA
PRIVILEGES select,insert,update,references
COLUMN_COMMENT
TABLE_CATALOG def
TABLE_SCHEMA test
TABLE_NAME t1_my_tablex
COLUMN_NAME col2
ORDINAL_POSITION 2
COLUMN_DEFAULT
IS_NULLABLE NO
DATA_TYPE varchar
CHARACTER_MAXIMUM_LENGTH 1
CHARACTER_OCTET_LENGTH 1
NUMERIC_PRECISION NULL
NUMERIC_SCALE NULL
DATETIME_PRECISION NULL
CHARACTER_SET_NAME latin1
COLLATION_NAME latin1_german1_ci
COLUMN_TYPE varchar(1)
COLUMN_KEY
EXTRA
PRIVILEGES select,insert,update,references
COLUMN_COMMENT
DROP VIEW test.t1_my_tablex;
SELECT table_name FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name
CREATE TABLE db_datadict.t1_my_tablex
ENGINE = <engine_type> AS
SELECT 1;
SELECT table_name FROM information_schema.columns
WHERE table_name = 't1_my_tablex';
table_name
t1_my_tablex
DROP DATABASE db_datadict;
SELECT table_name FROM information_schema.columns
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 table are not supported
########################################################################
DROP DATABASE IF EXISTS db_datadict;
DROP TABLE IF EXISTS test.t1;
CREATE DATABASE db_datadict;
CREATE TABLE test.t1 (f1 BIGINT);
INSERT INTO information_schema.columns (table_schema,table_name,column_name)
VALUES('test','t1', 'f2');
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
INSERT INTO information_schema.columns (table_schema,table_name,column_name)
VALUES('test','t2', 'f1');
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
UPDATE information_schema.columns SET table_name = 't4' WHERE table_name = 't1';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DELETE FROM information_schema.columns WHERE table_name = 't1';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
TRUNCATE information_schema.columns;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
CREATE INDEX i3 ON information_schema.columns(table_name);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.columns ADD f1 INT;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP TABLE information_schema.columns;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.columns RENAME db_datadict.columns;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.columns RENAME information_schema.xcolumns;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP TABLE test.t1;
DROP DATABASE db_datadict;
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