1
SHOW TABLES FROM information_schema LIKE 'VIEWS';
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Tables_in_information_schema (VIEWS)
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#######################################################################
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# Testcase 3.2.1.1: INFORMATION_SCHEMA tables can be queried via SELECT
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#######################################################################
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DROP VIEW IF EXISTS test.v1;
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DROP PROCEDURE IF EXISTS test.p1;
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DROP FUNCTION IF EXISTS test.f1;
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CREATE VIEW test.v1 AS SELECT * FROM information_schema.VIEWS;
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CREATE PROCEDURE test.p1() SELECT * FROM information_schema.VIEWS;
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CREATE FUNCTION test.f1() returns BIGINT
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DECLARE counter BIGINT DEFAULT NULL;
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SELECT COUNT(*) INTO counter FROM information_schema.VIEWS;
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# Attention: The printing of the next result sets is disabled.
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SELECT * FROM information_schema.VIEWS;
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SELECT * FROM test.v1;
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DROP PROCEDURE test.p1;
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DROP FUNCTION test.f1;
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#########################################################################
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# Testcase 3.2.13.1: INFORMATION_SCHEMA.VIEWS layout
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#########################################################################
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DESCRIBE information_schema.VIEWS;
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Field Type Null Key Default Extra
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TABLE_CATALOG varchar(512) YES NULL
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TABLE_SCHEMA varchar(64) NO
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TABLE_NAME varchar(64) NO
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VIEW_DEFINITION longtext NO NULL
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CHECK_OPTION varchar(8) NO
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IS_UPDATABLE varchar(3) NO
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DEFINER varchar(77) NO
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SECURITY_TYPE varchar(7) NO
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SHOW CREATE TABLE information_schema.VIEWS;
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VIEWS CREATE TEMPORARY TABLE `VIEWS` (
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`TABLE_CATALOG` varchar(512) default NULL,
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`TABLE_SCHEMA` varchar(64) NOT NULL default '',
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`TABLE_NAME` varchar(64) NOT NULL default '',
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`VIEW_DEFINITION` longtext NOT NULL,
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`CHECK_OPTION` varchar(8) NOT NULL default '',
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`IS_UPDATABLE` varchar(3) NOT NULL default '',
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`DEFINER` varchar(77) NOT NULL default '',
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`SECURITY_TYPE` varchar(7) NOT NULL default ''
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) ENGINE=MyISAM DEFAULT CHARSET=utf8
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SHOW COLUMNS FROM information_schema.VIEWS;
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Field Type Null Key Default Extra
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TABLE_CATALOG varchar(512) YES NULL
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TABLE_SCHEMA varchar(64) NO
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TABLE_NAME varchar(64) NO
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VIEW_DEFINITION longtext NO NULL
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CHECK_OPTION varchar(8) NO
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IS_UPDATABLE varchar(3) NO
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DEFINER varchar(77) NO
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SECURITY_TYPE varchar(7) NO
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SELECT table_catalog, table_schema, table_name
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FROM information_schema.views WHERE table_catalog IS NOT NULL;
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table_catalog table_schema table_name
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################################################################################
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# Testcase 3.2.13.2 + 3.2.13.3: INFORMATION_SCHEMA.VIEWS accessible information
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################################################################################
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DROP DATABASE IF EXISTS db_datadict;
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CREATE DATABASE db_datadict;
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DROP USER 'testuser1'@'localhost';
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CREATE USER 'testuser1'@'localhost';
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DROP USER 'testuser2'@'localhost';
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CREATE USER 'testuser2'@'localhost';
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DROP USER 'test_no_views'@'localhost';
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CREATE USER 'test_no_views'@'localhost';
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CREATE TABLE db_datadict.t1(f1 INT, f2 INT, f3 INT)
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ENGINE = <engine_type>;
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CREATE VIEW db_datadict.v_granted_to_1 AS SELECT * FROM db_datadict.t1;
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CREATE VIEW db_datadict.v_granted_glob AS SELECT f2, f3 FROM db_datadict.t1;
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GRANT SELECT ON db_datadict.t1 TO 'testuser1'@'localhost';
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GRANT SELECT ON db_datadict.v_granted_to_1 TO 'testuser1'@'localhost';
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GRANT SHOW VIEW, CREATE VIEW ON db_datadict.* TO 'testuser2'@'localhost';
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SELECT * FROM information_schema.views
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WHERE table_schema = 'db_datadict' ORDER BY table_name;
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME VIEW_DEFINITION CHECK_OPTION IS_UPDATABLE DEFINER SECURITY_TYPE
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NULL db_datadict v_granted_glob /* ALGORITHM=UNDEFINED */ select `db_datadict`.`t1`.`f2` AS `f2`,`db_datadict`.`t1`.`f3` AS `f3` from `db_datadict`.`t1` NONE YES root@localhost DEFINER
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NULL db_datadict v_granted_to_1 /* ALGORITHM=UNDEFINED */ select `db_datadict`.`t1`.`f1` AS `f1`,`db_datadict`.`t1`.`f2` AS `f2`,`db_datadict`.`t1`.`f3` AS `f3` from `db_datadict`.`t1` NONE YES root@localhost DEFINER
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# Establish connection testuser1 (user=testuser1)
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SELECT * FROM information_schema.views
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WHERE table_schema = 'db_datadict' ORDER BY table_name;
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME VIEW_DEFINITION CHECK_OPTION IS_UPDATABLE DEFINER SECURITY_TYPE
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NULL db_datadict v_granted_glob NONE YES root@localhost DEFINER
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NULL db_datadict v_granted_to_1 NONE YES root@localhost DEFINER
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# Establish connection testuser2 (user=testuser2)
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SELECT * FROM information_schema.views
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WHERE table_schema = 'db_datadict' ORDER BY table_name;
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME VIEW_DEFINITION CHECK_OPTION IS_UPDATABLE DEFINER SECURITY_TYPE
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NULL db_datadict v_granted_glob NONE YES root@localhost DEFINER
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NULL db_datadict v_granted_to_1 NONE YES root@localhost DEFINER
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# Establish connection test_no_views (user=test_no_views)
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SELECT * FROM information_schema.views
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WHERE table_schema = 'db_datadict' ORDER BY table_name;
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME VIEW_DEFINITION CHECK_OPTION IS_UPDATABLE DEFINER SECURITY_TYPE
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NULL db_datadict v_granted_glob NONE YES root@localhost DEFINER
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NULL db_datadict v_granted_to_1 NONE YES root@localhost DEFINER
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# Switch to connection default and close all other connections
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DROP USER 'testuser1'@'localhost';
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DROP USER 'testuser2'@'localhost';
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DROP USER 'test_no_views'@'localhost';
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DROP DATABASE db_datadict;
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#########################################################################
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# 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.VIEWS modifications
112
#########################################################################
113
DROP TABLE IF EXISTS test.t1_my_table;
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DROP DATABASE IF EXISTS db_datadict;
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CREATE DATABASE db_datadict;
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CREATE TABLE test.t1_table (f1 BIGINT, f2 CHAR(10))
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DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci
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ENGINE = <engine_type>;
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DROP USER 'testuser1'@'localhost';
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CREATE USER 'testuser1'@'localhost';
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SELECT * FROM information_schema.views
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WHERE table_name LIKE 't1_%';
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME VIEW_DEFINITION CHECK_OPTION IS_UPDATABLE DEFINER SECURITY_TYPE
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CREATE VIEW test.t1_view AS SELECT DISTINCT f1 FROM test.t1_table;
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SELECT * FROM information_schema.views
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WHERE table_name LIKE 't1_%';
127
TABLE_CATALOG TABLE_SCHEMA TABLE_NAME VIEW_DEFINITION CHECK_OPTION IS_UPDATABLE DEFINER SECURITY_TYPE
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NULL test t1_view /* ALGORITHM=UNDEFINED */ select distinct `test`.`t1_table`.`f1` AS `f1` from `test`.`t1_table` NONE NO root@localhost DEFINER
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SELECT table_name,definer FROM information_schema.views
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WHERE table_name = 't1_view';
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t1_view root@localhost
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ALTER DEFINER = 'testuser1'@'localhost' VIEW test.t1_view AS
134
SELECT DISTINCT f1 FROM test.t1_table;
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SELECT table_name,definer,security_type FROM information_schema.views
136
WHERE table_name LIKE 't1_%';
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table_name definer security_type
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t1_view testuser1@localhost DEFINER
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ALTER DEFINER = 'root'@'localhost' SQL SECURITY INVOKER VIEW test.t1_view AS
140
SELECT f1 FROM test.t1_table WITH LOCAL CHECK OPTION;
141
SELECT table_name,definer,security_type FROM information_schema.views
142
WHERE table_name LIKE 't1_%';
143
table_name definer security_type
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t1_view root@localhost INVOKER
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SELECT table_schema,table_name FROM information_schema.views
146
WHERE table_name LIKE 't1_%'
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ORDER BY table_schema,table_name;
148
table_schema table_name
150
RENAME TABLE test.t1_view TO db_datadict.t1_view;
151
ERROR HY000: Changing schema from 'test' to 'db_datadict' is not allowed.
152
DROP VIEW test.t1_view;
153
CREATE VIEW db_datadict.t1_view AS SELECT * FROM test.t1_table;
154
SELECT table_schema,table_name FROM information_schema.views
155
WHERE table_name LIKE 't1_%'
156
ORDER BY table_schema,table_name;
157
table_schema table_name
159
SELECT table_name FROM information_schema.views
160
WHERE table_name LIKE 't1_%'
164
RENAME TABLE db_datadict.t1_view TO db_datadict.t1_viewx;
165
SELECT table_name FROM information_schema.views
166
WHERE table_name LIKE 't1_%'
170
SELECT table_name FROM information_schema.views
171
WHERE table_name LIKE 't1_%'
175
DROP VIEW db_datadict.t1_viewx;
176
SELECT table_name FROM information_schema.views
177
WHERE table_name LIKE 't1_%'
180
CREATE VIEW db_datadict.t1_view AS SELECT * FROM test.t1_table;
181
SELECT table_name FROM information_schema.views
182
WHERE table_name LIKE 't1_%'
186
DROP TABLE test.t1_table;
187
SELECT table_name FROM information_schema.views
188
WHERE table_name LIKE 't1_%'
193
Warning 1356 View 'db_datadict.t1_view' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
194
CREATE TABLE test.t1_table (f1 BIGINT, f2 CHAR(10))
195
DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci COMMENT = 'Initial Comment'
196
ENGINE = <engine_type>;
197
SELECT table_name FROM information_schema.views
198
WHERE table_name LIKE 't1_%'
202
DROP DATABASE db_datadict;
203
SELECT table_name FROM information_schema.views
204
WHERE table_name LIKE 't1_%'
207
DROP USER 'testuser1'@'localhost';
208
DROP TABLE test.t1_table;
209
########################################################################
210
# Testcases 3.2.1.3-3.2.1.5 + 3.2.1.8-3.2.1.12: INSERT/UPDATE/DELETE and
211
# DDL on INFORMATION_SCHEMA table are not supported
212
########################################################################
213
DROP DATABASE IF EXISTS db_datadict;
214
CREATE DATABASE db_datadict;
215
CREATE VIEW db_datadict.v1 AS SELECT 1;
216
INSERT INTO information_schema.views
217
SELECT * FROM information_schema.views;
218
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
219
INSERT INTO information_schema.views(table_schema, table_name)
220
VALUES ('db2', 'v2');
221
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
222
UPDATE information_schema.views SET table_schema = 'test'
223
WHERE table_name = 't1';
224
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
225
DELETE FROM information_schema.views WHERE table_name = 't1';
226
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
227
TRUNCATE information_schema.views;
228
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
229
CREATE INDEX my_idx_on_views ON information_schema.views(table_schema);
230
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
231
ALTER TABLE information_schema.views DROP PRIMARY KEY;
232
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
233
ALTER TABLE information_schema.views ADD f1 INT;
234
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
235
DROP TABLE information_schema.views;
236
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
237
ALTER TABLE information_schema.views RENAME db_datadict.views;
238
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
239
ALTER TABLE information_schema.views RENAME information_schema.xviews;
240
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
241
DROP DATABASE db_datadict;