1
SHOW TABLES FROM information_schema LIKE 'SCHEMATA';
2
Tables_in_information_schema (SCHEMATA)
4
#######################################################################
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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.SCHEMATA;
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CREATE PROCEDURE test.p1() SELECT * FROM information_schema.SCHEMATA;
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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.SCHEMATA;
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# Attention: The printing of the next result sets is disabled.
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SELECT * FROM information_schema.SCHEMATA;
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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 3.2.9.1: INFORMATION_SCHEMA.SCHEMATA layout;
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#########################################################################
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DESCRIBE information_schema.SCHEMATA;
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Field Type Null Key Default Extra
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CATALOG_NAME varchar(512) YES NULL
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SCHEMA_NAME varchar(64) NO
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DEFAULT_CHARACTER_SET_NAME varchar(64) NO
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DEFAULT_COLLATION_NAME varchar(64) NO
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SQL_PATH varchar(512) YES NULL
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SHOW CREATE TABLE information_schema.SCHEMATA;
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SCHEMATA CREATE TEMPORARY TABLE `SCHEMATA` (
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`CATALOG_NAME` varchar(512) DEFAULT NULL,
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`SCHEMA_NAME` varchar(64) NOT NULL DEFAULT '',
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`DEFAULT_CHARACTER_SET_NAME` varchar(64) NOT NULL DEFAULT '',
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`DEFAULT_COLLATION_NAME` varchar(64) NOT NULL DEFAULT '',
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`SQL_PATH` varchar(512) DEFAULT NULL
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) ENGINE=MEMORY DEFAULT CHARSET=utf8
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SHOW COLUMNS FROM information_schema.SCHEMATA;
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Field Type Null Key Default Extra
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CATALOG_NAME varchar(512) YES NULL
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SCHEMA_NAME varchar(64) NO
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DEFAULT_CHARACTER_SET_NAME varchar(64) NO
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DEFAULT_COLLATION_NAME varchar(64) NO
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SQL_PATH varchar(512) YES NULL
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SELECT catalog_name, schema_name, sql_path
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FROM information_schema.schemata
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WHERE catalog_name IS NOT NULL or sql_path IS NOT NULL;
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catalog_name schema_name sql_path
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###############################################################################
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# Testcases 3.2.9.2+3.2.9.3: INFORMATION_SCHEMA.SCHEMATA accessible information
58
###############################################################################
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DROP DATABASE IF EXISTS db_datadict_1;
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DROP DATABASE IF EXISTS db_datadict_2;
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CREATE DATABASE db_datadict_1;
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CREATE DATABASE db_datadict_2;
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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 'testuser3'@'localhost';
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CREATE USER 'testuser3'@'localhost';
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GRANT SELECT ON db_datadict_1.* to 'testuser1'@'localhost';
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GRANT SELECT ON db_datadict_1.* to 'testuser2'@'localhost';
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GRANT SELECT ON db_datadict_2.* to 'testuser2'@'localhost';
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SELECT * FROM information_schema.schemata
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WHERE schema_name LIKE 'db_datadict_%' ORDER BY schema_name;
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CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
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NULL db_datadict_1 latin1 latin1_swedish_ci NULL
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NULL db_datadict_2 latin1 latin1_swedish_ci NULL
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SHOW DATABASES LIKE 'db_datadict_%';
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Database (db_datadict_%)
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# Establish connection testuser1 (user=testuser1)
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SELECT * FROM information_schema.schemata
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WHERE schema_name LIKE 'db_datadict_%' ORDER BY schema_name;
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CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
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NULL db_datadict_1 latin1 latin1_swedish_ci NULL
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SHOW DATABASES LIKE 'db_datadict_%';
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Database (db_datadict_%)
89
# Establish connection testuser2 (user=testuser2)
90
SELECT * FROM information_schema.schemata
91
WHERE schema_name LIKE 'db_datadict_%' ORDER BY schema_name;
92
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
93
NULL db_datadict_1 latin1 latin1_swedish_ci NULL
94
NULL db_datadict_2 latin1 latin1_swedish_ci NULL
95
SHOW DATABASES LIKE 'db_datadict_%';
96
Database (db_datadict_%)
99
# Establish connection testuser3 (user=testuser3)
100
SELECT * FROM information_schema.schemata
101
WHERE schema_name LIKE 'db_datadict_%' ORDER BY schema_name;
102
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
103
SHOW DATABASES LIKE 'db_datadict_%';
104
Database (db_datadict_%)
105
# Switch to connection default and close connections testuser1,testuser2,testuser3
106
DROP USER 'testuser1'@'localhost';
107
DROP USER 'testuser2'@'localhost';
108
DROP USER 'testuser3'@'localhost';
109
DROP DATABASE db_datadict_1;
110
DROP DATABASE db_datadict_2;
111
#################################################################################
112
# Testcases 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.SCHEMATA modifications
113
#################################################################################
114
DROP DATABASE IF EXISTS db_datadict;
115
SELECT * FROM information_schema.schemata WHERE schema_name = 'db_datadict';
116
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
117
CREATE DATABASE db_datadict CHARACTER SET 'latin1' COLLATE 'latin1_swedish_ci';
118
SELECT * FROM information_schema.schemata WHERE schema_name = 'db_datadict';
119
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
120
NULL db_datadict latin1 latin1_swedish_ci NULL
121
SELECT schema_name, default_character_set_name
122
FROM information_schema.schemata WHERE schema_name = 'db_datadict';
123
schema_name default_character_set_name
125
ALTER SCHEMA db_datadict CHARACTER SET 'utf8';
126
SELECT schema_name, default_character_set_name
127
FROM information_schema.schemata WHERE schema_name = 'db_datadict';
128
schema_name default_character_set_name
130
ALTER SCHEMA db_datadict CHARACTER SET 'latin1';
131
SELECT schema_name, default_collation_name FROM information_schema.schemata
132
WHERE schema_name = 'db_datadict';
133
schema_name default_collation_name
134
db_datadict latin1_swedish_ci
135
ALTER SCHEMA db_datadict COLLATE 'latin1_general_cs';
136
SELECT schema_name, default_collation_name FROM information_schema.schemata
137
WHERE schema_name = 'db_datadict';
138
schema_name default_collation_name
139
db_datadict latin1_general_cs
141
FROM information_schema.schemata WHERE schema_name = 'db_datadict';
144
DROP DATABASE db_datadict;
146
FROM information_schema.schemata WHERE schema_name = 'db_datadict';
148
########################################################################
149
# Testcases 3.2.1.3-3.2.1.5 + 3.2.1.8-3.2.1.12: INSERT/UPDATE/DELETE and
150
# DDL on INFORMATION_SCHEMA tables are not supported
151
########################################################################
152
DROP DATABASE IF EXISTS db_datadict;
153
CREATE DATABASE db_datadict CHARACTER SET 'latin1' COLLATE 'latin1_swedish_ci';
154
INSERT INTO information_schema.schemata
155
(catalog_name, schema_name, default_character_set_name, sql_path)
156
VALUES (NULL, 'db1', 'latin1', NULL);
157
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
158
INSERT INTO information_schema.schemata
159
SELECT * FROM information_schema.schemata;
160
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
161
UPDATE information_schema.schemata
162
SET default_character_set_name = 'utf8'
163
WHERE schema_name = 'db_datadict';
164
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
165
UPDATE information_schema.schemata SET catalog_name = 't_4711';
166
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
167
DELETE FROM information_schema.schemata WHERE schema_name = 'db_datadict';
168
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
169
TRUNCATE information_schema.schemata;
170
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
171
CREATE INDEX i1 ON information_schema.schemata(schema_name);
172
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
173
ALTER TABLE information_schema.schemata ADD f1 INT;
174
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
175
DROP TABLE information_schema.schemata;
176
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
177
ALTER TABLE information_schema.schemata RENAME db_datadict.schemata;
178
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
179
ALTER TABLE information_schema.schemata RENAME information_schema.xschemata;
180
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
181
DROP DATABASE db_datadict;