SHOW TABLES FROM information_schema LIKE 'STATISTICS';
Tables_in_information_schema (STATISTICS)
STATISTICS
#######################################################################
# 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.STATISTICS;
CREATE PROCEDURE test.p1() SELECT * FROM information_schema.STATISTICS;
CREATE FUNCTION test.f1() returns BIGINT
BEGIN
DECLARE counter BIGINT DEFAULT NULL;
SELECT COUNT(*) INTO counter FROM information_schema.STATISTICS;
RETURN counter;
END//
# Attention: The printing of the next result sets is disabled.
SELECT * FROM information_schema.STATISTICS;
SELECT * FROM test.v1;
CALL test.p1;
SELECT test.f1();
DROP VIEW test.v1;
DROP PROCEDURE test.p1;
DROP FUNCTION test.f1;
#########################################################################
# Testcase 3.2.14.1: INFORMATION_SCHEMA.STATISTICS layout
#########################################################################
DESCRIBE          information_schema.STATISTICS;
Field	Type	Null	Key	Default	Extra
TABLE_CATALOG	varchar(512)	YES		NULL	
TABLE_SCHEMA	varchar(64)	NO			
TABLE_NAME	varchar(64)	NO			
NON_UNIQUE	bigint(1)	NO		0	
INDEX_SCHEMA	varchar(64)	NO			
INDEX_NAME	varchar(64)	NO			
SEQ_IN_INDEX	bigint(2)	NO		0	
COLUMN_NAME	varchar(64)	NO			
COLLATION	varchar(1)	YES		NULL	
CARDINALITY	bigint(21)	YES		NULL	
SUB_PART	bigint(3)	YES		NULL	
PACKED	varchar(10)	YES		NULL	
NULLABLE	varchar(3)	NO			
INDEX_TYPE	varchar(16)	NO			
COMMENT	varchar(16)	YES		NULL	
SHOW CREATE TABLE information_schema.STATISTICS;
Table	Create Table
STATISTICS	CREATE TEMPORARY TABLE `STATISTICS` (
  `TABLE_CATALOG` varchar(512) DEFAULT NULL,
  `TABLE_SCHEMA` varchar(64) NOT NULL DEFAULT '',
  `TABLE_NAME` varchar(64) NOT NULL DEFAULT '',
  `NON_UNIQUE` bigint(1) NOT NULL DEFAULT '0',
  `INDEX_SCHEMA` varchar(64) NOT NULL DEFAULT '',
  `INDEX_NAME` varchar(64) NOT NULL DEFAULT '',
  `SEQ_IN_INDEX` bigint(2) NOT NULL DEFAULT '0',
  `COLUMN_NAME` varchar(64) NOT NULL DEFAULT '',
  `COLLATION` varchar(1) DEFAULT NULL,
  `CARDINALITY` bigint(21) DEFAULT NULL,
  `SUB_PART` bigint(3) DEFAULT NULL,
  `PACKED` varchar(10) DEFAULT NULL,
  `NULLABLE` varchar(3) NOT NULL DEFAULT '',
  `INDEX_TYPE` varchar(16) NOT NULL DEFAULT '',
  `COMMENT` varchar(16) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SHOW COLUMNS FROM information_schema.STATISTICS;
Field	Type	Null	Key	Default	Extra
TABLE_CATALOG	varchar(512)	YES		NULL	
TABLE_SCHEMA	varchar(64)	NO			
TABLE_NAME	varchar(64)	NO			
NON_UNIQUE	bigint(1)	NO		0	
INDEX_SCHEMA	varchar(64)	NO			
INDEX_NAME	varchar(64)	NO			
SEQ_IN_INDEX	bigint(2)	NO		0	
COLUMN_NAME	varchar(64)	NO			
COLLATION	varchar(1)	YES		NULL	
CARDINALITY	bigint(21)	YES		NULL	
SUB_PART	bigint(3)	YES		NULL	
PACKED	varchar(10)	YES		NULL	
NULLABLE	varchar(3)	NO			
INDEX_TYPE	varchar(16)	NO			
COMMENT	varchar(16)	YES		NULL	
SELECT table_catalog, table_schema, table_name, index_schema, index_name
FROM information_schema.statistics WHERE table_catalog IS NOT NULL;
table_catalog	table_schema	table_name	index_schema	index_name
####################################################################################
# Testcase 3.2.14.2 + 3.2.14.3: INFORMATION_SCHEMA.STATISTICS accessible information
####################################################################################
DROP DATABASE IF EXISTS db_datadict;
DROP DATABASE IF EXISTS db_datadict_2;
CREATE DATABASE db_datadict;
CREATE DATABASE db_datadict_2;
DROP   USER 'testuser1'@'localhost';
CREATE USER 'testuser1'@'localhost';
DROP   USER 'testuser2'@'localhost';
CREATE USER 'testuser2'@'localhost';
CREATE TABLE db_datadict.t1
(f1 INT NOT NULL, PRIMARY KEY(f1), f2 INT, INDEX f2_ind(f2))
ENGINE = <engine_type>;
CREATE TABLE db_datadict.t2
(f1 INT NOT NULL, PRIMARY KEY(f1), f2 INT, INDEX f2_ind(f2))
ENGINE = <engine_type>;
CREATE TABLE db_datadict_2.t3
(f1 INT NOT NULL, f2 INT, f5 DATE,
PRIMARY KEY(f1), INDEX f2f1_ind(f2,f1), UNIQUE(f5))
ENGINE = MEMORY;
CREATE TABLE db_datadict_2.t4
(f1 INT NOT NULL, PRIMARY KEY(f1), f2 INT, INDEX f2_ind(f2))
ENGINE = MEMORY;
SELECT * FROM information_schema.statistics
WHERE table_schema LIKE 'db_datadict%'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
NULL	db_datadict	t1	1	db_datadict	f2_ind	1	f2	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict	t1	0	db_datadict	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict	t2	1	db_datadict	f2_ind	1	f2	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict	t2	0	db_datadict	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t3	1	db_datadict_2	f2f1_ind	1	f2	NULL	NULL	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t3	1	db_datadict_2	f2f1_ind	2	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t3	0	db_datadict_2	f5	1	f5	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t3	0	db_datadict_2	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t4	1	db_datadict_2	f2_ind	1	f2	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t4	0	db_datadict_2	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
SHOW GRANTS FOR 'testuser1'@'localhost';
Grants for testuser1@localhost
GRANT USAGE ON *.* TO 'testuser1'@'localhost'
SHOW GRANTS FOR 'testuser2'@'localhost';
Grants for testuser2@localhost
GRANT USAGE ON *.* TO 'testuser2'@'localhost'
# Establish connection testuser1 (user=testuser1)
SELECT * FROM information_schema.statistics
WHERE table_schema LIKE 'db_datadict%'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
SHOW GRANTS FOR 'testuser1'@'localhost';
Grants for testuser1@localhost
GRANT USAGE ON *.* TO 'testuser1'@'localhost'
SHOW GRANTS FOR 'testuser2'@'localhost';
ERROR 42000: Access denied for user 'testuser1'@'localhost' to database 'mysql'
# Establish connection testuser2 (user=testuser2)
SELECT * FROM information_schema.statistics
WHERE table_schema LIKE 'db_datadict%'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
SHOW GRANTS FOR 'testuser1'@'localhost';
ERROR 42000: Access denied for user 'testuser2'@'localhost' to database 'mysql'
SHOW GRANTS FOR 'testuser2'@'localhost';
Grants for testuser2@localhost
GRANT USAGE ON *.* TO 'testuser2'@'localhost'
# Switch to connection default
GRANT SELECT ON db_datadict.t1 TO 'testuser1'@'localhost' WITH GRANT OPTION;
GRANT SELECT(f1,f5) ON db_datadict_2.t3 TO 'testuser1'@'localhost';
SELECT * FROM information_schema.statistics
WHERE table_schema LIKE 'db_datadict%'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
NULL	db_datadict	t1	1	db_datadict	f2_ind	1	f2	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict	t1	0	db_datadict	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict	t2	1	db_datadict	f2_ind	1	f2	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict	t2	0	db_datadict	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t3	1	db_datadict_2	f2f1_ind	1	f2	NULL	NULL	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t3	1	db_datadict_2	f2f1_ind	2	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t3	0	db_datadict_2	f5	1	f5	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t3	0	db_datadict_2	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t4	1	db_datadict_2	f2_ind	1	f2	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t4	0	db_datadict_2	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
SHOW GRANTS FOR 'testuser1'@'localhost';
Grants for testuser1@localhost
GRANT USAGE ON *.* TO 'testuser1'@'localhost'
GRANT SELECT ON `db_datadict`.`t1` TO 'testuser1'@'localhost' WITH GRANT OPTION
GRANT SELECT (f5, f1) ON `db_datadict_2`.`t3` TO 'testuser1'@'localhost'
SHOW GRANTS FOR 'testuser2'@'localhost';
Grants for testuser2@localhost
GRANT USAGE ON *.* TO 'testuser2'@'localhost'
# Switch to connection testuser1
SELECT * FROM information_schema.statistics
WHERE table_schema LIKE 'db_datadict%'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
NULL	db_datadict	t1	1	db_datadict	f2_ind	1	f2	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict	t1	0	db_datadict	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t3	1	db_datadict_2	f2f1_ind	1	f2	NULL	NULL	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t3	1	db_datadict_2	f2f1_ind	2	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t3	0	db_datadict_2	f5	1	f5	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t3	0	db_datadict_2	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
SHOW GRANTS FOR 'testuser1'@'localhost';
Grants for testuser1@localhost
GRANT USAGE ON *.* TO 'testuser1'@'localhost'
GRANT SELECT ON `db_datadict`.`t1` TO 'testuser1'@'localhost' WITH GRANT OPTION
GRANT SELECT (f5, f1) ON `db_datadict_2`.`t3` TO 'testuser1'@'localhost'
SHOW GRANTS FOR 'testuser2'@'localhost';
ERROR 42000: Access denied for user 'testuser1'@'localhost' to database 'mysql'
# Switch to connection testuser2
SELECT * FROM information_schema.statistics
WHERE table_schema LIKE 'db_datadict%'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
SHOW GRANTS FOR 'testuser1'@'localhost';
ERROR 42000: Access denied for user 'testuser2'@'localhost' to database 'mysql'
SHOW GRANTS FOR 'testuser2'@'localhost';
Grants for testuser2@localhost
GRANT USAGE ON *.* TO 'testuser2'@'localhost'
# Switch to connection default
REVOKE SELECT,GRANT OPTION ON db_datadict.t1 FROM 'testuser1'@'localhost';
SHOW GRANTS FOR 'testuser1'@'localhost';
Grants for testuser1@localhost
GRANT USAGE ON *.* TO 'testuser1'@'localhost'
GRANT SELECT (f5, f1) ON `db_datadict_2`.`t3` TO 'testuser1'@'localhost'
# Switch to connection testuser1
SELECT * FROM information_schema.statistics
WHERE table_schema LIKE 'db_datadict%'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
NULL	db_datadict_2	t3	1	db_datadict_2	f2f1_ind	1	f2	NULL	NULL	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t3	1	db_datadict_2	f2f1_ind	2	f1	NULL	0	NULL	NULL		HASH	
NULL	db_datadict_2	t3	0	db_datadict_2	f5	1	f5	NULL	0	NULL	NULL	YES	HASH	
NULL	db_datadict_2	t3	0	db_datadict_2	PRIMARY	1	f1	NULL	0	NULL	NULL		HASH	
SHOW GRANTS FOR 'testuser1'@'localhost';
Grants for testuser1@localhost
GRANT USAGE ON *.* TO 'testuser1'@'localhost'
GRANT SELECT (f5, f1) ON `db_datadict_2`.`t3` TO 'testuser1'@'localhost'
# Switch to connection default and close connections testuser1, testuser2
DROP USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
DROP DATABASE db_datadict;
DROP DATABASE db_datadict_2;
#########################################################################
# 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.STATISTICS modifications
#########################################################################
DROP TABLE IF EXISTS test.t1_my_table;
DROP DATABASE IF EXISTS db_datadict;
CREATE DATABASE db_datadict;
CREATE TABLE test.t1_1 (f1 BIGINT,
f2 TEXT, f2x TEXT, f3 CHAR(10), f3x CHAR(10), f4 BIGINT, f4x BIGINT,
f5 POINT, f5x POINT NOT NULL)
DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci
ENGINE = <other_engine_type>;
CREATE TABLE test.t1_2 (f1 BIGINT, f2 BIGINT)
ENGINE = <engine_type>;
SELECT table_name FROM information_schema.statistics
WHERE table_name LIKE 't1_%';
table_name
ALTER TABLE test.t1_1 ADD PRIMARY KEY (f1,f3);
SELECT * FROM information_schema.statistics
WHERE table_name LIKE 't1_%'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
NULL	test	t1_1	0	test	PRIMARY	1	f1	A	NULL	NULL	NULL		BTREE	
NULL	test	t1_1	0	test	PRIMARY	2	f3	A	0	NULL	NULL		BTREE	
ALTER TABLE test.t1_1 DROP PRIMARY KEY;
SELECT table_name FROM information_schema.statistics
WHERE table_name LIKE 't1_%';
table_name
ALTER TABLE test.t1_1 ADD PRIMARY KEY (f1);
SELECT * FROM information_schema.statistics
WHERE table_name LIKE 't1_%';
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
NULL	test	t1_1	0	test	PRIMARY	1	f1	A	0	NULL	NULL		BTREE	
ALTER TABLE test.t1_1 ADD INDEX (f4);
CREATE        INDEX f3_f1     ON test.t1_1 (f3,f1);
CREATE UNIQUE INDEX f4x_uni   ON test.t1_1 (f4x);
CREATE        INDEX f2_hash USING HASH ON test.t1_2 (f2);
CREATE        INDEX f1_idx    ON test.t1_2 (f1) COMMENT = 'COMMENT';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'COMMENT = 'COMMENT'' at line 1
CREATE        INDEX not_null  ON test.t1_1 (f3x);
CREATE        INDEX f2_prefix ON test.t1_1 (f2(20));
SELECT * FROM information_schema.statistics
WHERE table_name LIKE 't1_%' AND index_name <> 'PRIMARY'
ORDER BY table_schema,table_name,index_name,seq_in_index,column_name;
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT
NULL	test	t1_1	1	test	f2_prefix	1	f2	A	NULL	20	NULL	YES	BTREE	
NULL	test	t1_1	1	test	f3_f1	1	f3	A	NULL	NULL	NULL		BTREE	
NULL	test	t1_1	1	test	f3_f1	2	f1	A	NULL	NULL	NULL		BTREE	
NULL	test	t1_1	1	test	f4	1	f4	A	NULL	NULL	NULL	YES	BTREE	
NULL	test	t1_1	0	test	f4x_uni	1	f4x	A	NULL	NULL	NULL	YES	BTREE	
NULL	test	t1_1	1	test	not_null	1	f3x	A	NULL	NULL	NULL	YES	BTREE	
NULL	test	t1_2	1	test	f2_hash	1	f2	NULL	0	NULL	NULL	YES	HASH	
DROP TABLE test.t1_2;
SELECT DISTINCT table_name FROM information_schema.statistics
WHERE table_name = 't1_1';
table_name
t1_1
RENAME TABLE test.t1_1 TO test.t1_1x;
SELECT DISTINCT table_name FROM information_schema.statistics
WHERE table_name = 't1_1x';
table_name
t1_1x
SELECT DISTINCT table_schema,table_name FROM information_schema.statistics
WHERE table_name LIKE 't1_1%';
table_schema	table_name
test	t1_1x
RENAME TABLE test.t1_1x TO db_datadict.t1_1x;
SELECT DISTINCT table_schema,table_name FROM information_schema.statistics
WHERE table_name LIKE 't1_1%';
table_schema	table_name
db_datadict	t1_1x
SELECT DISTINCT table_name FROM information_schema.statistics
WHERE table_name = 't1_1x';
table_name
t1_1x
DROP TABLE db_datadict.t1_1x;
SELECT DISTINCT table_name FROM information_schema.statistics
WHERE table_name = 't1_1x';
table_name
CREATE TEMPORARY TABLE test.t1_1x (PRIMARY KEY(f1,f2))
ENGINE = <engine_type>
AS SELECT 1 AS f1, 2 AS f2;
SELECT * FROM information_schema.statistics
WHERE table_name = 't1_1x';
DROP TEMPORARY TABLE test.t1_1x;
CREATE TABLE db_datadict.t1_1x (PRIMARY KEY(f1))
ENGINE = <engine_type>
AS SELECT 1 AS f1, 2 AS f2;
SELECT table_name FROM information_schema.statistics
WHERE table_name = 't1_1x';
table_name
t1_1x
DROP DATABASE db_datadict;
SELECT table_name FROM information_schema.statistics
WHERE table_name = 't1_1x';
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
########################################################################
DROP DATABASE IF EXISTS db_datadict;
CREATE DATABASE db_datadict;
CREATE TABLE db_datadict.t1 (f1 BIGINT)
ENGINE = <engine_type>;
INSERT INTO information_schema.statistics
SELECT * FROM information_schema.statistics;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
UPDATE information_schema.statistics SET table_schema = 'test'
WHERE table_name = 't1';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DELETE FROM information_schema.statistics WHERE table_name = 't1';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
TRUNCATE information_schema.statistics;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
CREATE INDEX my_idx_on_statistics
ON information_schema.statistics(table_schema);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.statistics DROP PRIMARY KEY;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.statistics ADD f1 INT;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP TABLE information_schema.statistics;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.statistics RENAME db_datadict.statistics;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.statistics RENAME information_schema.xstatistics;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP DATABASE db_datadict;