1
SHOW TABLES FROM information_schema LIKE 'SCHEMATA';
2
Tables_in_information_schema (SCHEMATA)
4
#######################################################################
5
# Testcase 3.2.1.1: INFORMATION_SCHEMA tables can be queried via SELECT
6
#######################################################################
7
DROP VIEW IF EXISTS test.v1;
8
DROP PROCEDURE IF EXISTS test.p1;
9
DROP FUNCTION IF EXISTS test.f1;
10
CREATE VIEW test.v1 AS SELECT * FROM information_schema.SCHEMATA;
11
CREATE PROCEDURE test.p1() SELECT * FROM information_schema.SCHEMATA;
12
CREATE FUNCTION test.f1() returns BIGINT
14
DECLARE counter BIGINT DEFAULT NULL;
15
SELECT COUNT(*) INTO counter FROM information_schema.SCHEMATA;
18
# Attention: The printing of the next result sets is disabled.
19
SELECT * FROM information_schema.SCHEMATA;
20
SELECT * FROM test.v1;
24
DROP PROCEDURE test.p1;
25
DROP FUNCTION test.f1;
26
#########################################################################
27
# Testcase 3.2.9.1: INFORMATION_SCHEMA.SCHEMATA layout;
28
#########################################################################
29
DESCRIBE information_schema.SCHEMATA;
30
Field Type Null Key Default Extra
31
CATALOG_NAME varchar(512) YES NULL
32
SCHEMA_NAME varchar(64) NO
33
DEFAULT_CHARACTER_SET_NAME varchar(64) NO
34
DEFAULT_COLLATION_NAME varchar(64) NO
35
SQL_PATH varchar(512) YES NULL
36
SHOW CREATE TABLE information_schema.SCHEMATA;
38
SCHEMATA CREATE TEMPORARY TABLE `SCHEMATA` (
39
`CATALOG_NAME` varchar(512) DEFAULT NULL,
40
`SCHEMA_NAME` varchar(64) NOT NULL DEFAULT '',
41
`DEFAULT_CHARACTER_SET_NAME` varchar(64) NOT NULL DEFAULT '',
42
`DEFAULT_COLLATION_NAME` varchar(64) NOT NULL DEFAULT '',
43
`SQL_PATH` varchar(512) DEFAULT NULL
44
) ENGINE=MEMORY DEFAULT CHARSET=utf8
45
SHOW COLUMNS FROM information_schema.SCHEMATA;
46
Field Type Null Key Default Extra
47
CATALOG_NAME varchar(512) YES NULL
48
SCHEMA_NAME varchar(64) NO
49
DEFAULT_CHARACTER_SET_NAME varchar(64) NO
50
DEFAULT_COLLATION_NAME varchar(64) NO
51
SQL_PATH varchar(512) YES NULL
52
SELECT catalog_name, schema_name, sql_path
53
FROM information_schema.schemata
54
WHERE catalog_name IS NOT NULL or sql_path IS NOT NULL;
55
catalog_name schema_name sql_path
56
###############################################################################
57
# Testcases 3.2.9.2+3.2.9.3: INFORMATION_SCHEMA.SCHEMATA accessible information
58
###############################################################################
59
DROP DATABASE IF EXISTS db_datadict_1;
60
DROP DATABASE IF EXISTS db_datadict_2;
61
CREATE DATABASE db_datadict_1;
62
CREATE DATABASE db_datadict_2;
63
DROP USER 'testuser1'@'localhost';
64
CREATE USER 'testuser1'@'localhost';
65
DROP USER 'testuser2'@'localhost';
66
CREATE USER 'testuser2'@'localhost';
67
DROP USER 'testuser3'@'localhost';
68
CREATE USER 'testuser3'@'localhost';
69
GRANT SELECT ON db_datadict_1.* to 'testuser1'@'localhost';
70
GRANT SELECT ON db_datadict_1.* to 'testuser2'@'localhost';
71
GRANT SELECT ON db_datadict_2.* to 'testuser2'@'localhost';
72
SELECT * FROM information_schema.schemata
73
WHERE schema_name LIKE 'db_datadict_%' ORDER BY schema_name;
74
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
75
NULL db_datadict_1 latin1 latin1_swedish_ci NULL
76
NULL db_datadict_2 latin1 latin1_swedish_ci NULL
77
SHOW DATABASES LIKE 'db_datadict_%';
78
Database (db_datadict_%)
81
# Establish connection testuser1 (user=testuser1)
82
SELECT * FROM information_schema.schemata
83
WHERE schema_name LIKE 'db_datadict_%' ORDER BY schema_name;
84
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
85
NULL db_datadict_1 latin1 latin1_swedish_ci NULL
86
NULL db_datadict_2 latin1 latin1_swedish_ci NULL
87
SHOW DATABASES LIKE 'db_datadict_%';
88
Database (db_datadict_%)
91
# Establish connection testuser2 (user=testuser2)
92
SELECT * FROM information_schema.schemata
93
WHERE schema_name LIKE 'db_datadict_%' ORDER BY schema_name;
94
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
95
NULL db_datadict_1 latin1 latin1_swedish_ci NULL
96
NULL db_datadict_2 latin1 latin1_swedish_ci NULL
97
SHOW DATABASES LIKE 'db_datadict_%';
98
Database (db_datadict_%)
101
# Establish connection testuser3 (user=testuser3)
102
SELECT * FROM information_schema.schemata
103
WHERE schema_name LIKE 'db_datadict_%' ORDER BY schema_name;
104
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
105
NULL db_datadict_1 latin1 latin1_swedish_ci NULL
106
NULL db_datadict_2 latin1 latin1_swedish_ci NULL
107
SHOW DATABASES LIKE 'db_datadict_%';
108
Database (db_datadict_%)
111
# Switch to connection default and close connections testuser1,testuser2,testuser3
112
DROP USER 'testuser1'@'localhost';
113
DROP USER 'testuser2'@'localhost';
114
DROP USER 'testuser3'@'localhost';
115
DROP DATABASE db_datadict_1;
116
DROP DATABASE db_datadict_2;
117
#################################################################################
118
# Testcases 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.SCHEMATA modifications
119
#################################################################################
120
DROP DATABASE IF EXISTS db_datadict;
121
SELECT * FROM information_schema.schemata WHERE schema_name = 'db_datadict';
122
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
123
CREATE DATABASE db_datadict CHARACTER SET 'latin1' COLLATE 'latin1_swedish_ci';
124
SELECT * FROM information_schema.schemata WHERE schema_name = 'db_datadict';
125
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
126
NULL db_datadict latin1 latin1_swedish_ci NULL
127
SELECT schema_name, default_character_set_name
128
FROM information_schema.schemata WHERE schema_name = 'db_datadict';
129
schema_name default_character_set_name
131
ALTER SCHEMA db_datadict CHARACTER SET 'utf8';
132
SELECT schema_name, default_character_set_name
133
FROM information_schema.schemata WHERE schema_name = 'db_datadict';
134
schema_name default_character_set_name
136
ALTER SCHEMA db_datadict CHARACTER SET 'latin1';
137
SELECT schema_name, default_collation_name FROM information_schema.schemata
138
WHERE schema_name = 'db_datadict';
139
schema_name default_collation_name
140
db_datadict latin1_swedish_ci
141
ALTER SCHEMA db_datadict COLLATE 'latin1_general_cs';
142
SELECT schema_name, default_collation_name FROM information_schema.schemata
143
WHERE schema_name = 'db_datadict';
144
schema_name default_collation_name
145
db_datadict latin1_general_cs
147
FROM information_schema.schemata WHERE schema_name = 'db_datadict';
150
DROP DATABASE db_datadict;
152
FROM information_schema.schemata WHERE schema_name = 'db_datadict';
154
########################################################################
155
# Testcases 3.2.1.3-3.2.1.5 + 3.2.1.8-3.2.1.12: INSERT/UPDATE/DELETE and
156
# DDL on INFORMATION_SCHEMA tables are not supported
157
########################################################################
158
DROP DATABASE IF EXISTS db_datadict;
159
CREATE DATABASE db_datadict CHARACTER SET 'latin1' COLLATE 'latin1_swedish_ci';
160
INSERT INTO information_schema.schemata
161
(catalog_name, schema_name, default_character_set_name, sql_path)
162
VALUES (NULL, 'db1', 'latin1', NULL);
163
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
164
INSERT INTO information_schema.schemata
165
SELECT * FROM information_schema.schemata;
166
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
167
UPDATE information_schema.schemata
168
SET default_character_set_name = 'utf8'
169
WHERE schema_name = 'db_datadict';
170
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
171
UPDATE information_schema.schemata SET catalog_name = 't_4711';
172
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
173
DELETE FROM information_schema.schemata WHERE schema_name = 'db_datadict';
174
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
175
TRUNCATE information_schema.schemata;
176
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
177
CREATE INDEX i1 ON information_schema.schemata(schema_name);
178
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
179
ALTER TABLE information_schema.schemata ADD f1 INT;
180
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
181
DROP TABLE information_schema.schemata;
182
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
183
ALTER TABLE information_schema.schemata RENAME db_datadict.schemata;
184
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
185
ALTER TABLE information_schema.schemata RENAME information_schema.xschemata;
186
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
187
DROP DATABASE db_datadict;