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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) NO 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 INDEX_COMMENT varchar(1024) NO SHOW CREATE TABLE information_schema.STATISTICS; Table Create Table STATISTICS CREATE TEMPORARY TABLE `STATISTICS` ( `TABLE_CATALOG` varchar(512) NOT NULL DEFAULT '', `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, `INDEX_COMMENT` varchar(1024) NOT NULL DEFAULT '' ) ENGINE=MEMORY DEFAULT CHARSET=utf8 SHOW COLUMNS FROM information_schema.STATISTICS; Field Type Null Key Default Extra TABLE_CATALOG varchar(512) NO 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 INDEX_COMMENT varchar(1024) NO 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 def mysql columns_priv mysql PRIMARY def mysql columns_priv mysql PRIMARY def mysql columns_priv mysql PRIMARY def mysql columns_priv mysql PRIMARY def mysql columns_priv mysql PRIMARY def mysql db mysql PRIMARY def mysql db mysql PRIMARY def mysql db mysql PRIMARY def mysql db mysql User def mysql engine_cost mysql PRIMARY def mysql engine_cost mysql PRIMARY def mysql engine_cost mysql PRIMARY def mysql event mysql PRIMARY def mysql event mysql PRIMARY def mysql func mysql PRIMARY def mysql gtid_executed mysql PRIMARY def mysql gtid_executed mysql PRIMARY def mysql help_category mysql PRIMARY def mysql help_category mysql name def mysql help_keyword mysql PRIMARY def mysql help_keyword mysql name def mysql help_relation mysql PRIMARY def mysql help_relation mysql PRIMARY def mysql help_topic mysql PRIMARY def mysql help_topic mysql name def mysql innodb_index_stats mysql PRIMARY def mysql innodb_index_stats mysql PRIMARY def mysql innodb_index_stats mysql PRIMARY def mysql innodb_index_stats mysql PRIMARY def mysql innodb_table_stats mysql PRIMARY def mysql innodb_table_stats mysql PRIMARY def mysql ndb_binlog_index mysql PRIMARY def mysql ndb_binlog_index mysql PRIMARY def mysql ndb_binlog_index mysql PRIMARY def mysql plugin mysql PRIMARY def mysql proc mysql PRIMARY def mysql proc mysql PRIMARY def mysql proc mysql PRIMARY def mysql procs_priv mysql PRIMARY def mysql procs_priv mysql PRIMARY def mysql procs_priv mysql PRIMARY def mysql procs_priv mysql PRIMARY def mysql procs_priv mysql PRIMARY def mysql procs_priv mysql Grantor def mysql proxies_priv mysql PRIMARY def mysql proxies_priv mysql PRIMARY def mysql proxies_priv mysql PRIMARY def mysql proxies_priv mysql PRIMARY def mysql proxies_priv mysql Grantor def mysql server_cost mysql PRIMARY def mysql servers mysql PRIMARY def mysql slave_master_info mysql PRIMARY def mysql slave_relay_log_info mysql PRIMARY def mysql slave_worker_info mysql PRIMARY def mysql slave_worker_info mysql PRIMARY def mysql tables_priv mysql PRIMARY def mysql tables_priv mysql PRIMARY def mysql tables_priv mysql PRIMARY def mysql tables_priv mysql PRIMARY def mysql tables_priv mysql Grantor def mysql time_zone mysql PRIMARY def mysql time_zone_leap_second mysql PRIMARY def mysql time_zone_name mysql PRIMARY def mysql time_zone_transition mysql PRIMARY def mysql time_zone_transition mysql PRIMARY def mysql time_zone_transition_type mysql PRIMARY def mysql time_zone_transition_type mysql PRIMARY def mysql user mysql PRIMARY def mysql user mysql PRIMARY def sys sys_config sys PRIMARY #################################################################################### # 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 = InnoDB; CREATE TABLE db_datadict_2.t4 (f1 INT NOT NULL, PRIMARY KEY(f1), f2 INT, INDEX f2_ind(f2)) ENGINE = InnoDB; 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 INDEX_COMMENT def db_datadict t1 1 db_datadict f2_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict t1 0 db_datadict PRIMARY 1 f1 A 0 NULL NULL BTREE def db_datadict t2 1 db_datadict f2_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict t2 0 db_datadict PRIMARY 1 f1 A 0 NULL NULL BTREE def db_datadict_2 t3 1 db_datadict_2 f2f1_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict_2 t3 1 db_datadict_2 f2f1_ind 2 f1 A 0 NULL NULL BTREE def db_datadict_2 t3 0 db_datadict_2 f5 1 f5 A 0 NULL NULL YES BTREE def db_datadict_2 t3 0 db_datadict_2 PRIMARY 1 f1 A 0 NULL NULL BTREE def db_datadict_2 t4 1 db_datadict_2 f2_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict_2 t4 0 db_datadict_2 PRIMARY 1 f1 A 0 NULL NULL BTREE 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 INDEX_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 INDEX_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 INDEX_COMMENT def db_datadict t1 1 db_datadict f2_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict t1 0 db_datadict PRIMARY 1 f1 A 0 NULL NULL BTREE def db_datadict t2 1 db_datadict f2_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict t2 0 db_datadict PRIMARY 1 f1 A 0 NULL NULL BTREE def db_datadict_2 t3 1 db_datadict_2 f2f1_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict_2 t3 1 db_datadict_2 f2f1_ind 2 f1 A 0 NULL NULL BTREE def db_datadict_2 t3 0 db_datadict_2 f5 1 f5 A 0 NULL NULL YES BTREE def db_datadict_2 t3 0 db_datadict_2 PRIMARY 1 f1 A 0 NULL NULL BTREE def db_datadict_2 t4 1 db_datadict_2 f2_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict_2 t4 0 db_datadict_2 PRIMARY 1 f1 A 0 NULL NULL BTREE SHOW GRANTS FOR 'testuser1'@'localhost'; Grants for testuser1@localhost GRANT SELECT (f5, f1) ON `db_datadict_2`.`t3` TO 'testuser1'@'localhost' GRANT SELECT ON `db_datadict`.`t1` TO 'testuser1'@'localhost' WITH GRANT OPTION GRANT USAGE ON *.* 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 INDEX_COMMENT def db_datadict t1 1 db_datadict f2_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict t1 0 db_datadict PRIMARY 1 f1 A 0 NULL NULL BTREE def db_datadict_2 t3 1 db_datadict_2 f2f1_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict_2 t3 1 db_datadict_2 f2f1_ind 2 f1 A 0 NULL NULL BTREE def db_datadict_2 t3 0 db_datadict_2 f5 1 f5 A 0 NULL NULL YES BTREE def db_datadict_2 t3 0 db_datadict_2 PRIMARY 1 f1 A 0 NULL NULL BTREE SHOW GRANTS FOR 'testuser1'@'localhost'; Grants for testuser1@localhost GRANT SELECT (f5, f1) ON `db_datadict_2`.`t3` TO 'testuser1'@'localhost' GRANT SELECT ON `db_datadict`.`t1` TO 'testuser1'@'localhost' WITH GRANT OPTION GRANT USAGE ON *.* 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 INDEX_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 SELECT (f5, f1) ON `db_datadict_2`.`t3` TO 'testuser1'@'localhost' GRANT USAGE ON *.* 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 INDEX_COMMENT def db_datadict_2 t3 1 db_datadict_2 f2f1_ind 1 f2 A 0 NULL NULL YES BTREE def db_datadict_2 t3 1 db_datadict_2 f2f1_ind 2 f1 A 0 NULL NULL BTREE def db_datadict_2 t3 0 db_datadict_2 f5 1 f5 A 0 NULL NULL YES BTREE def db_datadict_2 t3 0 db_datadict_2 PRIMARY 1 f1 A 0 NULL NULL BTREE SHOW GRANTS FOR 'testuser1'@'localhost'; Grants for testuser1@localhost GRANT SELECT (f5, f1) ON `db_datadict_2`.`t3` TO 'testuser1'@'localhost' GRANT USAGE ON *.* 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 INDEX_COMMENT def test t1_1 0 test PRIMARY 1 f1 A 0 NULL NULL BTREE def 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 INDEX_COMMENT def 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'' 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 INDEX_COMMENT def test t1_1 1 test f2_prefix 1 f2 A 0 20 NULL YES BTREE def test t1_1 1 test f3_f1 1 f3 A 0 NULL NULL BTREE def test t1_1 1 test f3_f1 2 f1 A 0 NULL NULL BTREE def test t1_1 1 test f4 1 f4 A 0 NULL NULL YES BTREE def test t1_1 0 test f4x_uni 1 f4x A 0 NULL NULL YES BTREE def test t1_1 1 test not_null 1 f3x A 0 NULL NULL YES BTREE def test t1_2 1 test f2_hash 1 f2 A 0 NULL NULL YES BTREE 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;