1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
|
SHOW TABLES FROM information_schema LIKE 'KEY_COLUMN_USAGE';
Tables_in_information_schema (KEY_COLUMN_USAGE)
KEY_COLUMN_USAGE
#######################################################################
# 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.KEY_COLUMN_USAGE;
CREATE PROCEDURE test.p1() SELECT * FROM information_schema.KEY_COLUMN_USAGE;
CREATE FUNCTION test.f1() returns BIGINT
BEGIN
DECLARE counter BIGINT DEFAULT NULL;
SELECT COUNT(*) INTO counter FROM information_schema.KEY_COLUMN_USAGE;
RETURN counter;
END//
# Attention: The printing of the next result sets is disabled.
SELECT * FROM information_schema.KEY_COLUMN_USAGE;
SELECT * FROM test.v1;
CALL test.p1;
SELECT test.f1();
DROP VIEW test.v1;
DROP PROCEDURE test.p1;
DROP FUNCTION test.f1;
#########################################################################
# Testcase 3.2.7.1: INFORMATION_SCHEMA.KEY_COLUMN_USAGE layout
#########################################################################
DESCRIBE information_schema.KEY_COLUMN_USAGE;
Field Type Null Key Default Extra
CONSTRAINT_CATALOG varchar(512) YES NULL
CONSTRAINT_SCHEMA varchar(64) NO
CONSTRAINT_NAME varchar(64) NO
TABLE_CATALOG varchar(512) YES NULL
TABLE_SCHEMA varchar(64) NO
TABLE_NAME varchar(64) NO
COLUMN_NAME varchar(64) NO
ORDINAL_POSITION bigint(10) NO 0
POSITION_IN_UNIQUE_CONSTRAINT bigint(10) YES NULL
REFERENCED_TABLE_SCHEMA varchar(64) YES NULL
REFERENCED_TABLE_NAME varchar(64) YES NULL
REFERENCED_COLUMN_NAME varchar(64) YES NULL
SHOW CREATE TABLE information_schema.KEY_COLUMN_USAGE;
Table Create Table
KEY_COLUMN_USAGE CREATE TEMPORARY TABLE `KEY_COLUMN_USAGE` (
`CONSTRAINT_CATALOG` varchar(512) DEFAULT NULL,
`CONSTRAINT_SCHEMA` varchar(64) NOT NULL DEFAULT '',
`CONSTRAINT_NAME` varchar(64) NOT NULL DEFAULT '',
`TABLE_CATALOG` varchar(512) DEFAULT NULL,
`TABLE_SCHEMA` varchar(64) NOT NULL DEFAULT '',
`TABLE_NAME` varchar(64) NOT NULL DEFAULT '',
`COLUMN_NAME` varchar(64) NOT NULL DEFAULT '',
`ORDINAL_POSITION` bigint(10) NOT NULL DEFAULT '0',
`POSITION_IN_UNIQUE_CONSTRAINT` bigint(10) DEFAULT NULL,
`REFERENCED_TABLE_SCHEMA` varchar(64) DEFAULT NULL,
`REFERENCED_TABLE_NAME` varchar(64) DEFAULT NULL,
`REFERENCED_COLUMN_NAME` varchar(64) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SHOW COLUMNS FROM information_schema.KEY_COLUMN_USAGE;
Field Type Null Key Default Extra
CONSTRAINT_CATALOG varchar(512) YES NULL
CONSTRAINT_SCHEMA varchar(64) NO
CONSTRAINT_NAME varchar(64) NO
TABLE_CATALOG varchar(512) YES NULL
TABLE_SCHEMA varchar(64) NO
TABLE_NAME varchar(64) NO
COLUMN_NAME varchar(64) NO
ORDINAL_POSITION bigint(10) NO 0
POSITION_IN_UNIQUE_CONSTRAINT bigint(10) YES NULL
REFERENCED_TABLE_SCHEMA varchar(64) YES NULL
REFERENCED_TABLE_NAME varchar(64) YES NULL
REFERENCED_COLUMN_NAME varchar(64) YES NULL
SELECT constraint_catalog, constraint_schema, constraint_name, table_catalog,
table_schema, table_name, column_name
FROM information_schema.key_column_usage
WHERE constraint_catalog IS NOT NULL OR table_catalog IS NOT NULL;
constraint_catalog constraint_schema constraint_name table_catalog table_schema table_name column_name
########################################################################################
# Testcase 3.2.7.2 + 3.2.7.3: INFORMATION_SCHEMA.KEY_COLUMN_USAGE accessible information
########################################################################################
DROP DATABASE IF EXISTS db_datadict;
CREATE DATABASE db_datadict;
DROP USER 'testuser1'@'localhost';
CREATE USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
CREATE USER 'testuser2'@'localhost';
USE db_datadict;
CREATE TABLE t1_1
(f1 INT NOT NULL, PRIMARY KEY(f1),
f2 INT, INDEX f2_ind(f2))
ENGINE = <engine_type>;
GRANT SELECT ON t1_1 to 'testuser1'@'localhost';
CREATE TABLE t1_2
(f1 INT NOT NULL, PRIMARY KEY(f1),
f2 INT, INDEX f2_ind(f2))
ENGINE = <engine_type>;
GRANT SELECT ON t1_2 to 'testuser2'@'localhost';
SELECT * FROM information_schema.key_column_usage
WHERE table_name LIKE 't1_%'
ORDER BY constraint_catalog, constraint_schema, constraint_name,
table_catalog, table_schema, table_name, ordinal_position;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION POSITION_IN_UNIQUE_CONSTRAINT REFERENCED_TABLE_SCHEMA REFERENCED_TABLE_NAME REFERENCED_COLUMN_NAME
NULL db_datadict PRIMARY NULL db_datadict t1_1 f1 1 NULL NULL NULL NULL
NULL db_datadict PRIMARY NULL db_datadict t1_2 f1 1 NULL NULL NULL NULL
# Establish connection testuser1 (user=testuser1)
SELECT * FROM information_schema.key_column_usage
WHERE table_name LIKE 't1_%'
ORDER BY constraint_catalog, constraint_schema, constraint_name,
table_catalog, table_schema, table_name, ordinal_position;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION POSITION_IN_UNIQUE_CONSTRAINT REFERENCED_TABLE_SCHEMA REFERENCED_TABLE_NAME REFERENCED_COLUMN_NAME
NULL db_datadict PRIMARY NULL db_datadict t1_1 f1 1 NULL NULL NULL NULL
NULL db_datadict PRIMARY NULL db_datadict t1_2 f1 1 NULL NULL NULL NULL
# Establish connection testuser2 (user=testuser2)
SELECT * FROM information_schema.key_column_usage
WHERE table_name LIKE 't1_%'
ORDER BY constraint_catalog, constraint_schema, constraint_name,
table_catalog, table_schema, table_name, ordinal_position;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION POSITION_IN_UNIQUE_CONSTRAINT REFERENCED_TABLE_SCHEMA REFERENCED_TABLE_NAME REFERENCED_COLUMN_NAME
NULL db_datadict PRIMARY NULL db_datadict t1_1 f1 1 NULL NULL NULL NULL
NULL db_datadict PRIMARY NULL db_datadict t1_2 f1 1 NULL NULL NULL NULL
# Switch to connection default and close connections testuser1, testuser2
DROP USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
DROP TABLE t1_1;
DROP TABLE t1_2;
DROP DATABASE IF EXISTS db_datadict;
########################################################################################
# Testcase 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.KEY_COLUMN_USAGE modifications
########################################################################################
DROP DATABASE IF EXISTS db_datadict;
DROP TABLE IF EXISTS test.t1_my_table;
CREATE DATABASE db_datadict;
SELECT table_name FROM information_schema.key_column_usage
WHERE table_name LIKE 't1_my_table%';
table_name
CREATE TABLE test.t1_my_table
(f1 CHAR(12), f2 TIMESTAMP, f4 BIGINT, PRIMARY KEY(f1,f2))
DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci
ENGINE = <engine_type>;
SELECT * FROM information_schema.key_column_usage
WHERE table_name = 't1_my_table';
CONSTRAINT_CATALOG NULL
CONSTRAINT_SCHEMA test
CONSTRAINT_NAME PRIMARY
TABLE_CATALOG NULL
TABLE_SCHEMA test
TABLE_NAME t1_my_table
COLUMN_NAME f1
ORDINAL_POSITION 1
POSITION_IN_UNIQUE_CONSTRAINT NULL
REFERENCED_TABLE_SCHEMA NULL
REFERENCED_TABLE_NAME NULL
REFERENCED_COLUMN_NAME NULL
CONSTRAINT_CATALOG NULL
CONSTRAINT_SCHEMA test
CONSTRAINT_NAME PRIMARY
TABLE_CATALOG NULL
TABLE_SCHEMA test
TABLE_NAME t1_my_table
COLUMN_NAME f2
ORDINAL_POSITION 2
POSITION_IN_UNIQUE_CONSTRAINT NULL
REFERENCED_TABLE_SCHEMA NULL
REFERENCED_TABLE_NAME NULL
REFERENCED_COLUMN_NAME NULL
SELECT DISTINCT table_name FROM information_schema.key_column_usage
WHERE table_name LIKE 't1_my_table%';
table_name
t1_my_table
RENAME TABLE test.t1_my_table TO test.t1_my_tablex;
SELECT DISTINCT table_name FROM information_schema.key_column_usage
WHERE table_name LIKE 't1_my_table%';
table_name
t1_my_tablex
SELECT DISTINCT table_schema,table_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex';
table_schema table_name
test t1_my_tablex
RENAME TABLE test.t1_my_tablex TO db_datadict.t1_my_tablex;
SELECT DISTINCT table_schema,table_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex';
table_schema table_name
db_datadict t1_my_tablex
SELECT DISTINCT table_name, column_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY table_name, column_name;
table_name column_name
t1_my_tablex f1
t1_my_tablex f2
ALTER TABLE db_datadict.t1_my_tablex CHANGE COLUMN f1 first_col CHAR(12);
SELECT DISTINCT table_name, column_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY table_name, column_name;
table_name column_name
t1_my_tablex f2
t1_my_tablex first_col
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
CREATE INDEX f2 ON db_datadict.t1_my_tablex(f2);
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
DROP INDEX f2 ON db_datadict.t1_my_tablex;
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
ALTER TABLE db_datadict.t1_my_tablex ADD UNIQUE (f2);
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict f2 db_datadict t1_my_tablex f2 1
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
DROP INDEX f2 ON db_datadict.t1_my_tablex;
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
ALTER TABLE db_datadict.t1_my_tablex ADD UNIQUE my_idx (f2);
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict my_idx db_datadict t1_my_tablex f2 1
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
DROP INDEX my_idx ON db_datadict.t1_my_tablex;
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
ALTER TABLE db_datadict.t1_my_tablex ADD UNIQUE my_idx (f4,first_col);
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict my_idx db_datadict t1_my_tablex f4 1
db_datadict my_idx db_datadict t1_my_tablex first_col 2
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict my_idx db_datadict t1_my_tablex f4 1
db_datadict my_idx db_datadict t1_my_tablex first_col 2
db_datadict PRIMARY db_datadict t1_my_tablex first_col 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 2
ALTER TABLE db_datadict.t1_my_tablex
DROP COLUMN first_col;
SELECT constraint_schema, constraint_name, table_schema,
table_name, column_name, ordinal_position
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY constraint_schema, constraint_name, table_schema,
table_name, ordinal_position;
constraint_schema constraint_name table_schema table_name column_name ordinal_position
db_datadict my_idx db_datadict t1_my_tablex f4 1
db_datadict PRIMARY db_datadict t1_my_tablex f2 1
SELECT table_name, column_name
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex'
ORDER BY table_name, column_name;
table_name column_name
t1_my_tablex f2
t1_my_tablex f4
DROP TABLE db_datadict.t1_my_tablex;
SELECT table_name, column_name
FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex';
table_name column_name
SELECT table_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex';
table_name
CREATE TABLE db_datadict.t1_my_tablex
ENGINE = <engine_type> AS
SELECT 1 AS f1;
SELECT table_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex';
table_name
ALTER TABLE db_datadict.t1_my_tablex ADD PRIMARY KEY(f1);
SELECT table_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex';
table_name
t1_my_tablex
SELECT table_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex';
table_name
t1_my_tablex
DROP DATABASE db_datadict;
SELECT table_name FROM information_schema.key_column_usage
WHERE table_name = 't1_my_tablex';
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 table are not supported
########################################################################
DROP DATABASE IF EXISTS db_datadict;
DROP TABLE IF EXISTS db_datadict.t1;
CREATE DATABASE db_datadict;
CREATE TABLE db_datadict.t1 (f1 BIGINT)
ENGINE = <engine_type>;
INSERT INTO information_schema.key_column_usage
(constraint_schema, constraint_name, table_name)
VALUES ( 'mysql', 'primary', 'db');
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
INSERT INTO information_schema.key_column_usage
SELECT * FROM information_schema.key_column_usage;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
UPDATE information_schema.key_column_usage
SET table_name = 'db1' WHERE constraint_name = 'primary';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DELETE FROM information_schema.key_column_usage WHERE table_name = 't1';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
TRUNCATE information_schema.key_column_usage;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
CREATE INDEX i3 ON information_schema.key_column_usage(table_name);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.key_column_usage ADD f1 INT;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP TABLE information_schema.key_column_usage;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.key_column_usage
RENAME db_datadict.key_column_usage;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.key_column_usage
RENAME information_schema.xkey_column_usage;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP TABLE db_datadict.t1;
DROP DATABASE db_datadict;
|
