6
6
drop table if exists t1,t2,t3,t11,t12;
8
CREATE TABLE t1 (a tinyint, b tinyint);
8
CREATE TABLE t1 (a int, b int);
9
9
INSERT INTO t1 VALUES (1,1);
10
INSERT LOW_PRIORITY INTO t1 VALUES (1,2);
10
INSERT INTO t1 VALUES (1,2);
11
11
INSERT INTO t1 VALUES (1,3);
12
12
DELETE from t1 where a=1 limit 1;
13
DELETE LOW_PRIORITY from t1 where a=1;
13
DELETE from t1 where a=1;
15
15
INSERT INTO t1 VALUES (1,1);
18
17
INSERT INTO t1 VALUES (1,2);
21
19
INSERT INTO t1 VALUES (1,2);
114
100
insert into t12 values (33, 10),(0, 11),(2, 12);
115
101
insert into t2 values (1, 21),(2, 12),(3, 23);
116
102
select * from t11;
117
104
select * from t12;
118
105
select * from t2;
119
delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a);
122
delete ignore t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a);
125
insert into t11 values (2, 12);
127
113
delete from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
128
114
select * from t11;
157
# Bug #21392: multi-table delete with alias table name fails with
158
# 1003: Incorrect table name
161
create table t1 (a int);
162
delete `4.t1` from t1 as `4.t1` where `4.t1`.a = 5;
163
delete FROM `4.t1` USING t1 as `4.t1` where `4.t1`.a = 5;
167
142
# Bug#17711: DELETE doesn't use index when ORDER BY, LIMIT and
168
143
# non-restricting WHERE is present.
145
# PBXT is different here. @a = 2 instead of 1. I think the
146
# reason is because an index is not used, as done with
147
# InnoDB. This may be due to lack of cluster index. If the
148
# delete below is based on a secondary index then the
170
150
create table t1(f1 int primary key);
171
151
insert into t1 values (4),(3),(1),(2);
172
152
delete from t1 where (@a:= f1) order by f1 limit 1;
176
156
# BUG#30385 "Server crash when deleting with order by and limit"
177
157
CREATE TABLE t1 (
180
`seq` int unsigned NOT NULL auto_increment,
159
`seq` int NOT NULL auto_increment,
181
160
PRIMARY KEY (`seq`),
182
161
KEY `seq` (`seq`),
184
162
KEY `date` (`date`)
186
DELETE FROM t1 ORDER BY date ASC, time ASC LIMIT 1;
164
DELETE FROM t1 ORDER BY date ASC LIMIT 1;
189
167
--echo End of 4.1 tests
192
# Test of multi-delete where we are not scanning the first table
195
CREATE TABLE t1 (a int not null,b int not null);
196
CREATE TABLE t2 (a int not null, b int not null, primary key (a,b));
197
CREATE TABLE t3 (a int not null, b int not null, primary key (a,b));
198
insert into t1 values (1,1),(2,1),(1,3);
199
insert into t2 values (1,1),(2,2),(3,3);
200
insert into t3 values (1,1),(2,1),(1,3);
201
select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
202
explain select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
203
delete t2.*,t3.* from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
204
# This should be empty
209
# Bug #8143: deleting '0000-00-00' values using IS NULL
212
create table t1(a date not null);
213
insert into t1 values (0);
214
select * from t1 where a is null;
215
delete from t1 where a is null;
216
select count(*) from t1;
220
170
# Bug #26186: delete order by, sometimes accept unknown column
222
172
CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1);
258
208
INSERT INTO db2.t1 (a) SELECT * FROM t2;
260
--error ER_PARSE_ERROR
261
DELETE FROM t1 alias USING t1, t2 alias WHERE t1.a = alias.a;
262
DELETE FROM alias USING t1, t2 alias WHERE t1.a = alias.a;
263
DELETE FROM t1, alias USING t1, t2 alias WHERE t1.a = alias.a;
264
--error ER_UNKNOWN_TABLE
265
DELETE FROM t1, t2 USING t1, t2 alias WHERE t1.a = alias.a;
266
--error ER_PARSE_ERROR
267
DELETE FROM db1.t1 alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
268
DELETE FROM alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
269
--error ER_UNKNOWN_TABLE
270
DELETE FROM db2.alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
271
DELETE FROM t1 USING t1 WHERE a = 1;
272
210
SELECT * FROM t1;
273
211
--error ER_PARSE_ERROR
274
212
DELETE FROM t1 alias USING t1 alias WHERE a = 2;
305
243
CREATE TABLE db2.t2 AS SELECT * FROM db2.t1;
306
244
CREATE TABLE t1 AS SELECT * FROM db2.t2;
307
245
CREATE TABLE t2 AS SELECT * FROM t1;
310
# Testing without a selected database
316
--error ER_NO_DB_ERROR
319
# Detect missing table references
321
--error ER_NO_DB_ERROR
322
DELETE a1,a2 FROM db1.t1, db2.t2;
323
--error ER_NO_DB_ERROR
324
DELETE a1,a2 FROM db1.t1, db2.t2;
325
--error ER_NO_DB_ERROR
326
DELETE a1,a2 FROM db1.t1 AS a1, db2.t2;
327
--error ER_NO_DB_ERROR
328
DELETE a1,a2 FROM db1.t1, db2.t2 AS a2;
329
--error ER_NO_DB_ERROR
330
DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2;
331
--error ER_NO_DB_ERROR
332
DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2;
334
--error ER_NO_DB_ERROR
335
DELETE FROM a1,a2 USING db1.t1, db2.t2;
336
--error ER_NO_DB_ERROR
337
DELETE FROM a1,a2 USING db1.t1, db2.t2;
338
--error ER_NO_DB_ERROR
339
DELETE FROM a1,a2 USING db1.t1 AS a1, db2.t2;
340
--error ER_NO_DB_ERROR
341
DELETE FROM a1,a2 USING db1.t1, db2.t2 AS a2;
342
--error ER_NO_DB_ERROR
343
DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2;
344
--error ER_NO_DB_ERROR
345
DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2;
347
# Ambiguous table references
349
--error ER_NO_DB_ERROR
350
DELETE a1 FROM db1.t1 AS a1, db2.t2 AS a1;
351
--error ER_NO_DB_ERROR
352
DELETE a1 FROM db1.a1, db2.t2 AS a1;
353
--error ER_NO_DB_ERROR
354
DELETE a1 FROM a1, db1.t1 AS a1;
355
--error ER_NO_DB_ERROR
356
DELETE t1 FROM db1.t1, db2.t1 AS a1;
357
--error ER_NO_DB_ERROR
358
DELETE t1 FROM db1.t1 AS a1, db2.t1 AS a2;
359
--error ER_NO_DB_ERROR
360
DELETE t1 FROM db1.t1, db2.t1;
362
# Test all again, now with a selected database
366
# Detect missing table references
368
--error ER_UNKNOWN_TABLE
369
DELETE a1,a2 FROM db1.t1, db2.t2;
370
--error ER_UNKNOWN_TABLE
371
DELETE a1,a2 FROM db1.t1, db2.t2;
372
--error ER_UNKNOWN_TABLE
373
DELETE a1,a2 FROM db1.t1 AS a1, db2.t2;
374
--error ER_UNKNOWN_TABLE
375
DELETE a1,a2 FROM db1.t1, db2.t2 AS a2;
376
--error ER_NO_SUCH_TABLE
377
DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2;
378
--error ER_NO_SUCH_TABLE
379
DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2;
381
--error ER_UNKNOWN_TABLE
382
DELETE FROM a1,a2 USING db1.t1, db2.t2;
383
--error ER_UNKNOWN_TABLE
384
DELETE FROM a1,a2 USING db1.t1, db2.t2;
385
--error ER_UNKNOWN_TABLE
386
DELETE FROM a1,a2 USING db1.t1 AS a1, db2.t2;
387
--error ER_UNKNOWN_TABLE
388
DELETE FROM a1,a2 USING db1.t1, db2.t2 AS a2;
389
--error ER_NO_SUCH_TABLE
390
DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2;
391
--error ER_NO_SUCH_TABLE
392
DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2;
394
# Ambiguous table references
396
--error ER_NONUNIQ_TABLE
397
DELETE a1 FROM db1.t1 AS a1, db2.t2 AS a1;
398
--error ER_NO_SUCH_TABLE
399
DELETE a1 FROM db1.a1, db2.t2 AS a1;
400
--error ER_NONUNIQ_TABLE
401
DELETE a1 FROM a1, db1.t1 AS a1;
402
--error ER_UNKNOWN_TABLE
403
DELETE t1 FROM db1.t1, db2.t1 AS a1;
404
--error ER_UNKNOWN_TABLE
405
DELETE t1 FROM db1.t1 AS a1, db2.t1 AS a2;
406
--error ER_UNKNOWN_TABLE
407
DELETE t1 FROM db1.t1, db2.t1;
409
# Test multiple-table cross database deletes
411
DELETE t1 FROM db1.t2 AS t1, db2.t2 AS t2 WHERE t2.a = 1 AND t1.a = t2.a;
413
DELETE a1, a2 FROM db2.t1 AS a1, t2 AS a2 WHERE a1.a = 2 AND a2.a = 2;