1
# Test for data_dictionary.schemas &
1
# check that CSV engine was compiled in, as the result of the test depends
2
# on the presence of the log tables (which are CSV-based).
3
--source include/have_csv.inc
5
# Test for information_schema.schemata &
5
9
DROP TABLE IF EXISTS t0,t1,t2,t3,t4,t5;
8
# Test for data_dictionary.tables &
13
show variables where variable_name like "skip_show_database";
16
select * from information_schema.SCHEMATA where schema_name > 'm';
17
select schema_name from information_schema.schemata;
18
show databases like 't%';
20
show databases where `database` = 't%';
22
# Test for information_schema.tables &
11
25
create database mysqltest;
16
30
create table t5 (id int auto_increment primary key);
17
31
insert into t5 values (10);
20
select table_name from data_dictionary.tables
33
select table_name from information_schema.TABLES
21
34
where table_schema = "mysqltest" and table_name like "t%";
23
select * from data_dictionary.indexes where TABLE_SCHEMA = "mysqltest";
36
select * from information_schema.STATISTICS where TABLE_SCHEMA = "mysqltest";
37
show keys from t3 where Key_name = "a_data";
25
39
show tables like 't%';
26
--replace_column 1 # 6 # 7 # 8 # 9 # 10 #
40
--replace_column 8 # 12 # 13 #
28
show columns from t3 like "a%";
30
select * from data_dictionary.columns where table_name="t1"
42
show full columns from t3 like "a%";
43
select * from information_schema.COLUMNS where table_name="t1"
31
44
and column_name= "a";
45
show columns from mysqltest.t1 where field like "%a%";
33
47
connect (user3,localhost,mysqltest_2,,);
36
select table_name, column_name from data_dictionary.columns
49
select table_name, column_name, privileges from information_schema.columns
37
50
where table_schema = 'mysqltest' and table_name = 't1';
38
51
show columns from mysqltest.t1;
39
52
connect (user4,localhost,mysqltest_3,,mysqltest);
43
56
drop tables mysqltest.t4, mysqltest.t1, t2, t3, t5;
44
57
drop database mysqltest;
59
# Test for information_schema.CHARACTER_SETS &
62
select * from information_schema.CHARACTER_SETS
63
where CHARACTER_SET_NAME like 'latin1%';
64
SHOW CHARACTER SET LIKE 'latin1%';
65
SHOW CHARACTER SET WHERE charset like 'latin1%';
67
# Test for information_schema.COLLATIONS &
71
select * from information_schema.COLLATIONS
72
where COLLATION_NAME like 'latin1%';
74
SHOW COLLATION LIKE 'latin1%';
76
SHOW COLLATION WHERE collation like 'latin1%';
78
select * from information_schema.COLLATION_CHARACTER_SET_APPLICABILITY
79
where COLLATION_NAME like 'latin1%';
82
# Bug#7213: information_schema: redundant non-standard TABLE_NAMES table
85
select * from information_schema.table_names;
47
88
# Bug#2719 information_schema: errors in "columns"
50
select column_type from data_dictionary.columns
51
where table_schema="data_dictionary" and table_name="COLUMNS" and
90
select column_type from information_schema.columns
91
where table_schema="information_schema" and table_name="COLUMNS" and
52
92
(column_name="character_set_name" or column_name="collation_name");
55
95
# Bug#2718 information_schema: errors in "tables"
59
select count(*) from data_dictionary.tables where
60
table_schema="data_dictionary" and table_name="COLUMNS";
64
select count(*) from data_dictionary.tables
97
select TABLE_ROWS from information_schema.tables where
98
table_schema="information_schema" and table_name="COLUMNS";
99
select table_type from information_schema.tables
65
100
where table_schema="mysql" and table_name="user";
102
# test for 'show open tables ... where'
103
show open tables where `table` like "user";
104
# test for 'show status ... where'
105
show status where variable_name like "%database%";
106
# test for 'show variables ... where'
107
show variables where variable_name like "skip_show_databas";
110
# Bug #7981:SHOW GLOBAL STATUS crashes server
112
# We don't actually care about the value, just that it doesn't crash.
114
show global status like "Threads_running";
68
117
# Bug #7215 information_schema: columns are longtext instead of varchar
69
118
# Bug #7217 information_schema: columns are varbinary() instead of timestamp
72
select table_schema, table_name, column_name from data_dictionary.columns where data_type = 'longtext';
74
select table_name, column_name, data_type from data_dictionary.columns where data_type = 'datetime';
120
select table_schema,table_name, column_name from
121
information_schema.columns
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where data_type = 'longtext';
123
select table_name, column_name, data_type from information_schema.columns
124
where data_type = 'datetime';
77
# Bug #8164 subquery with data_dictionary.COLUMNS, 100 % CPU
127
# Bug #8164 subquery with INFORMATION_SCHEMA.COLUMNS, 100 % CPU
80
SELECT COUNT(*) FROM data_dictionary.tables A
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES A
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(SELECT * FROM data_dictionary.columns B
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(SELECT * FROM INFORMATION_SCHEMA.COLUMNS B
83
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WHERE A.TABLE_SCHEMA = B.TABLE_SCHEMA
84
133
AND A.TABLE_NAME = B.TABLE_NAME);
106
154
# Bug #9404 information_schema: Weird error messages
107
155
# with SELECT SUM() ... GROUP BY queries
110
SELECT table_schema, count(*) FROM data_dictionary.tables
111
WHERE table_name NOT LIKE 'ndb_%' AND
112
table_name NOT LIKE 'falcon%'
113
GROUP BY TABLE_SCHEMA ORDER BY table_schema;
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SELECT table_schema, count(*) FROM information_schema.TABLES
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WHERE table_name NOT LIKE 'ndb_%' AND table_name NOT LIKE 'falcon%' GROUP BY TABLE_SCHEMA;
161
# Bug #9434 SHOW CREATE DATABASE information_schema;
163
show create database information_schema;
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166
# Bug #11057 information_schema: columns table has some questionable contents
117
167
# Bug #12301 information_schema: NUMERIC_SCALE must be 0 for integer columns
119
169
create table t1(f1 LONGBLOB, f2 LONGTEXT);
121
170
select column_name,data_type,CHARACTER_OCTET_LENGTH,
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171
CHARACTER_MAXIMUM_LENGTH
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from data_dictionary.columns
172
from information_schema.columns
124
173
where table_name='t1';
126
create table t1(f1 int, f2 int, f3 BIGINT, f4 int,
127
f5 BIGINT, f6 int, f7 int);
175
create table t1(f1 tinyint, f2 SMALLINT, f3 BIGINT, f4 int,
176
f5 BIGINT, f6 TINYINT, f7 SMALLINT);
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177
select column_name, NUMERIC_PRECISION, NUMERIC_SCALE
130
from data_dictionary.columns
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from information_schema.columns
131
179
where table_name='t1';
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183
# Bug#12518 COLUMN_DEFAULT has wrong value if NOT NULL is set
137
185
create table t1 (a int not null, b int);
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select column_name, column_default from data_dictionary.columns
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use information_schema;
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select column_name, column_default from columns
140
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where table_schema='test' and table_name='t1';
142
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show columns from t1;
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# Bug #12636: SHOW TABLE STATUS with where condition containing a subquery
195
# over information schema
198
CREATE TABLE t1 (a int);
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CREATE TABLE t2 (b int);
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--replace_column 8 # 12 # 13 #
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SHOW TABLE STATUS FROM test
203
WHERE name IN ( SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
204
WHERE TABLE_SCHEMA='test' AND TABLE_TYPE='BASE TABLE');
209
# Bug #9846 Inappropriate error displayed while dropping table from 'INFORMATION_SCHEMA'
211
--error ER_PARSE_ERROR
212
alter database information_schema;
213
--error ER_DBACCESS_DENIED_ERROR
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drop database information_schema;
216
drop table information_schema.tables;
218
alter table information_schema.tables;
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# Bug #9683 INFORMATION_SCH: Creation of temporary table allowed in Information_schema DB
222
use information_schema;
224
create temporary table schemata(f1 char(10));
147
227
# Bug#14089 FROM list subquery always fails when information_schema is current database
150
230
create table t1(id int);
151
231
insert into t1(id) values (1);
153
232
select 1 from (select 1 from test.t1) a;
233
use information_schema;
156
234
select 1 from (select 1 from test.t1) a;
238
# Bug #14387 SHOW COLUMNS doesn't work on temporary tables
239
# Bug #15224 SHOW INDEX from temporary table doesn't work
240
# Bug #12770 DESC cannot display the info. about temporary table
242
create temporary table t1(f1 int, index(f1));
243
show columns from t1;
245
show indexes from t1;
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249
# Bug#14271 I_S: columns has no size for (var)binary columns
163
251
create table t1(f1 varbinary(32), f2 varbinary(64));
165
252
select character_maximum_length, character_octet_length
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from data_dictionary.columns where table_name='t1';
253
from information_schema.columns where table_name='t1';
170
## Bug#15307 GROUP_CONCAT() with ORDER BY returns empty set on information_schema
257
# Bug#15307 GROUP_CONCAT() with ORDER BY returns empty set on information_schema
172
259
select column_type, group_concat(table_schema, '.', table_name), count(*) as num
173
from data_dictionary.columns where
174
table_schema='data_dictionary' and
260
from information_schema.columns where
261
table_schema='information_schema' and
175
262
(column_type = 'varchar(7)' or column_type = 'varchar(20)'
176
263
or column_type = 'varchar(27)')
177
group by column_type order by column_type, num;
264
group by column_type order by num;
180
267
# Bug#19236 bad COLUMNS.CHARACTER_MAXIMUM_LENGHT and CHARACTER_OCTET_LENGTH
182
create table t1(f1 char(1) not null, f2 char(9) not null);
269
create table t1(f1 char(1) not null, f2 char(9) not null)
270
default character set utf8;
184
271
select CHARACTER_MAXIMUM_LENGTH, CHARACTER_OCTET_LENGTH from
185
data_dictionary.columns where table_schema='test' and table_name = 't1';
272
information_schema.columns where table_schema='test' and table_name = 't1';
203
289
SELECT t.table_name, c1.column_name
204
FROM data_dictionary.tables t
290
FROM information_schema.tables t
206
data_dictionary.columns c1
292
information_schema.columns c1
207
293
ON t.table_schema = c1.table_schema AND
208
294
t.table_name = c1.table_name
209
WHERE t.table_schema = 'data_dictionary' AND
295
WHERE t.table_schema = 'information_schema' AND
210
296
c1.ordinal_position =
211
297
( SELECT COALESCE(MIN(c2.ordinal_position),1)
212
FROM data_dictionary.columns c2
298
FROM information_schema.columns c2
213
299
WHERE c2.table_schema = t.table_schema AND
214
300
c2.table_name = t.table_name AND
215
301
c2.column_name LIKE '%SCHEMA%'
217
AND t.table_name NOT LIKE 'falcon%'
218
ORDER BY t.table_name, c1.column_name;
303
AND t.table_name NOT LIKE 'falcon%';
220
304
SELECT t.table_name, c1.column_name
221
FROM data_dictionary.tables t
305
FROM information_schema.tables t
223
data_dictionary.columns c1
307
information_schema.columns c1
224
308
ON t.table_schema = c1.table_schema AND
225
309
t.table_name = c1.table_name
226
WHERE t.table_schema = 'data_dictionary' AND
310
WHERE t.table_schema = 'information_schema' AND
227
311
c1.ordinal_position =
228
312
( SELECT COALESCE(MIN(c2.ordinal_position),1)
229
FROM data_dictionary.columns c2
230
WHERE c2.table_schema = 'data_dictionary' AND
313
FROM information_schema.columns c2
314
WHERE c2.table_schema = 'information_schema' AND
231
315
c2.table_name = t.table_name AND
232
316
c2.column_name LIKE '%SCHEMA%'
234
AND t.table_name NOT LIKE 'falcon%'
235
ORDER BY t.table_name, c1.column_name;
318
AND t.table_name NOT LIKE 'falcon%';
238
321
# Bug#21231: query with a simple non-correlated subquery over
239
322
# INFORMARTION_SCHEMA.TABLES
242
SELECT MAX(table_name) FROM data_dictionary.tables;
243
SELECT table_name from data_dictionary.tables
325
SELECT MAX(table_name) FROM information_schema.tables;
326
SELECT table_name from information_schema.tables
244
327
WHERE table_name=(SELECT MAX(table_name)
245
FROM data_dictionary.tables)
328
FROM information_schema.tables);
248
330
# Bug#23299 Some queries against INFORMATION_SCHEMA with subqueries fail
250
332
create table t1 (f1 int);
251
333
create table t2 (f1 int, f2 int);
253
#select table_name from data_dictionary.tables
254
#where table_schema = 'test' and table_name not in
255
#(select table_name from data_dictionary.columns
256
# where table_schema = 'test' and column_name = 'f3')
257
#ORDER BY table_name;
335
select table_name from information_schema.tables
336
where table_schema = 'test' and table_name not in
337
(select table_name from information_schema.columns
338
where table_schema = 'test' and column_name = 'f3');
259
339
drop table t1,t2;
263
343
# Bug#24630 Subselect query crashes mysqld
266
select 1 as f1 from data_dictionary.tables where "CHARACTER_SETS"=
267
(select cast(table_name as char) from data_dictionary.tables WHERE TABLE_SCHEMA=schema()
268
AND TABLE_NAME = "CHARACTER_SETS"
269
order by table_name limit 1) AND TABLE_SCHEMA=schema() limit 1;
345
select 1 as f1 from information_schema.tables where "CHARACTER_SETS"=
346
(select cast(table_name as char) from information_schema.tables
347
order by table_name limit 1) limit 1;
271
349
select t.table_name, group_concat(t.table_schema, '.', t.table_name),
273
from data_dictionary.tables t
274
inner join data_dictionary.columns c1
351
from information_schema.tables t
352
inner join information_schema.columns c1
275
353
on t.table_schema = c1.table_schema AND t.table_name = c1.table_name
276
where t.table_schema = 'data_dictionary' AND
354
where t.table_schema = 'information_schema' AND
277
355
t.table_name not like 'falcon%' AND
278
356
c1.ordinal_position =
279
357
(select isnull(c2.column_type) -
280
358
isnull(group_concat(c2.table_schema, '.', c2.table_name)) +
282
from data_dictionary.columns c2 where
283
c2.table_schema='data_dictionary' and
360
from information_schema.columns c2 where
361
c2.table_schema='information_schema' and
284
362
(c2.column_type = 'varchar(7)' or c2.column_type = 'varchar(20)')
285
363
group by c2.column_type order by num limit 1)
286
364
group by t.table_name order by num1, t.table_name;
306
384
f7 datetime not null,
307
385
f8 datetime default '2006-01-01'
309
#select column_default from data_dictionary.columns where table_name= 't1' ORDER BY column_default;
387
select column_default from information_schema.columns where table_name= 't1';
310
388
show columns from t1;
392
# Bug#30079 A check for "hidden" I_S tables is flawed
395
show fields from information_schema.table_names;
397
show keys from information_schema.table_names;
313
399
SET max_heap_table_size = DEFAULT;
316
402
--echo End of 5.0 tests.
319
# Bug#30795 Query on data_dictionary.schemas, wrong result
405
# Bug#30795 Query on INFORMATION_SCHEMA.SCHEMATA, wrong result
322
SELECT SCHEMA_NAME FROM data_dictionary.schemas
323
WHERE SCHEMA_NAME ='data_dictionary';
407
SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA
408
WHERE SCHEMA_NAME ='information_schema';
326
411
# Bug#31381 Error in retrieving Data from INFORMATION_SCHEMA
329
SELECT TABLE_COLLATION FROM data_dictionary.tables
413
SELECT TABLE_COLLATION FROM INFORMATION_SCHEMA.TABLES
330
414
WHERE TABLE_SCHEMA='mysql' and TABLE_NAME= 'db';
333
--echo # Test that the query is visible to self and others.
337
SELECT info FROM data_dictionary.processlist WHERE id = CONNECTION_ID();
340
# do a query on the PROCESSLIST table in I_S to ensure it works correctly
343
SELECT info, command, db
344
FROM data_dictionary.processlist
345
WHERE id = CONNECTION_ID();
350
#SELECT table_schema, table_name
351
#FROM data_dictionary.tables
352
#WHERE table_schema="data_dictionary"
353
#ORDER BY table_name;
417
# Bug#31633 Information schema = NULL queries crash the server
419
select * from information_schema.columns where table_schema = NULL;
420
select * from `information_schema`.`COLUMNS` where `TABLE_NAME` = NULL;
421
select * from `information_schema`.`KEY_COLUMN_USAGE` where `TABLE_SCHEMA` = NULL;
422
select * from `information_schema`.`KEY_COLUMN_USAGE` where `TABLE_NAME` = NULL;
423
select * from `information_schema`.`REFERENTIAL_CONSTRAINTS` where `CONSTRAINT_SCHEMA` = NULL;
424
select * from `information_schema`.`REFERENTIAL_CONSTRAINTS` where `TABLE_NAME` = NULL;
425
select * from information_schema.schemata where schema_name = NULL;
426
select * from `information_schema`.`STATISTICS` where `TABLE_SCHEMA` = NULL;
427
select * from `information_schema`.`STATISTICS` where `TABLE_NAME` = NULL;
428
select * from information_schema.tables where table_schema = NULL;
429
select * from information_schema.tables where table_catalog = NULL;
430
select * from information_schema.tables where table_name = NULL;
431
select * from `information_schema`.`TABLE_CONSTRAINTS` where `TABLE_SCHEMA` = NULL;
432
select * from `information_schema`.`TABLE_CONSTRAINTS` where `TABLE_NAME` = NULL;