2
# Check for problems with delete
6
drop table if exists t1,t2,t3,t11,t12;
8
CREATE TABLE t1 (a int, b int);
9
INSERT INTO t1 VALUES (1,1);
10
INSERT LOW_PRIORITY INTO t1 VALUES (1,2);
11
INSERT INTO t1 VALUES (1,3);
12
DELETE from t1 where a=1 limit 1;
13
DELETE LOW_PRIORITY from t1 where a=1;
15
INSERT INTO t1 VALUES (1,1);
18
INSERT INTO t1 VALUES (1,2);
21
INSERT INTO t1 VALUES (1,2);
28
# Test of delete when the delete will cause a node to disappear and reappear
29
# (This assumes a block size of 1024)
34
b bigint not null default 0,
35
c bigint not null default 0,
36
d bigint not null default 0,
37
e bigint not null default 0,
38
f bigint not null default 0,
39
g bigint not null default 0,
40
h bigint not null default 0,
41
i bigint not null default 0,
42
j bigint not null default 0,
43
primary key (a,b,c,d,e,f,g,h,i,j));
44
insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23);
45
delete from t1 where a=26;
49
b bigint not null default 0,
50
c bigint not null default 0,
51
d bigint not null default 0,
52
e bigint not null default 0,
53
f bigint not null default 0,
54
g bigint not null default 0,
55
h bigint not null default 0,
56
i bigint not null default 0,
57
j bigint not null default 0,
58
primary key (a,b,c,d,e,f,g,h,i,j));
59
insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23),(27);
60
delete from t1 where a=27;
64
`i` int NOT NULL default '0',
65
`i2` int NOT NULL default '0',
68
DELETE FROM t1 USING t1 WHERE post='1';
72
# CHAR(0) bug - not actually DELETE bug, but anyway...
76
bool char(0) default NULL,
77
not_null varchar(20) binary NOT NULL default '',
78
misc integer not null,
79
PRIMARY KEY (not_null)
82
INSERT INTO t1 VALUES (NULL,'a',4), (NULL,'b',5), (NULL,'c',6), (NULL,'d',7);
84
select * from t1 where misc > 5 and bool is null;
85
delete from t1 where misc > 5 and bool is null;
86
select * from t1 where misc > 5 and bool is null;
88
select count(*) from t1;
89
delete from t1 where 1 > 2;
90
select count(*) from t1;
91
delete from t1 where 3 > 2;
92
select count(*) from t1;
96
# Bug #5733: Table handler error with self-join multi-table DELETE
99
create table t1 (a int not null auto_increment primary key, b char(32));
100
insert into t1 (b) values ('apple'), ('apple');
102
delete t1 from t1, t1 as t2 where t1.b = t2.b and t1.a > t2.a;
109
create table t11 (a int NOT NULL, b int, primary key (a));
110
create table t12 (a int NOT NULL, b int, primary key (a));
111
create table t2 (a int NOT NULL, b int, primary key (a));
112
insert into t11 values (0, 10),(1, 11),(2, 12);
113
insert into t12 values (33, 10),(0, 11),(2, 12);
114
insert into t2 values (1, 21),(2, 12),(3, 23);
119
delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a);
123
# PBXT: for some reason this returns 2 warnings instead of 1
124
delete ignore t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a);
128
insert into t11 values (2, 12);
129
delete from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
131
delete ignore from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
133
drop table t11, t12, t2;
136
# Bug #4198: deletion and KEYREAD
139
create table t1 (a int, b int, unique key (a), key (b));
140
insert into t1 values (3, 3), (7, 7);
141
delete t1 from t1 where a = 3;
147
# Bug #8392: delete with ORDER BY containing a direct reference to the table
150
CREATE TABLE t1 ( a int PRIMARY KEY );
151
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
152
INSERT INTO t1 VALUES (0),(1),(2);
153
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
158
# Bug #21392: multi-table delete with alias table name fails with
159
# 1003: Incorrect table name
162
create table t1 (a int);
163
delete `4.t1` from t1 as `4.t1` where `4.t1`.a = 5;
164
delete FROM `4.t1` USING t1 as `4.t1` where `4.t1`.a = 5;
168
# Bug#17711: DELETE doesn't use index when ORDER BY, LIMIT and
169
# non-restricting WHERE is present.
171
# PBXT is different here. @a = 2 instead of 1. I think the
172
# reason is because an index is not used, as done with
173
# InnoDB. This may be due to lack of cluster index. If the
174
# delete below is based on a secondary index then the
176
create table t1(f1 int primary key);
177
insert into t1 values (4),(3),(1),(2);
178
delete from t1 where (@a:= f1) order by f1 limit 1;
182
# BUG#30385 "Server crash when deleting with order by and limit"
186
`seq` int NOT NULL auto_increment,
192
DELETE FROM t1 ORDER BY date ASC, time ASC LIMIT 1;
195
--echo End of 4.1 tests
198
# Test of multi-delete where we are not scanning the first table
201
CREATE TABLE t1 (a int not null,b int not null);
202
CREATE TABLE t2 (a int not null, b int not null, primary key (a,b));
203
CREATE TABLE t3 (a int not null, b int not null, primary key (a,b));
204
insert into t1 values (1,1),(2,1),(1,3);
205
insert into t2 values (1,1),(2,2),(3,3);
206
insert into t3 values (1,1),(2,1),(1,3);
207
select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
208
explain select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
209
delete t2.*,t3.* from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
210
# This should be empty
215
# Bug #8143: deleting '0000-00-00' values using IS NULL
218
create table t1(a date not null);
219
insert into t1 values (0);
220
select * from t1 where a is null;
221
delete from t1 where a is null;
222
select count(*) from t1;
226
# Bug #26186: delete order by, sometimes accept unknown column
228
CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1);
230
--error ER_BAD_FIELD_ERROR
231
DELETE FROM t1 ORDER BY x;
233
# even columns from a table not used in query (and not even existing)
234
--error ER_BAD_FIELD_ERROR
235
DELETE FROM t1 ORDER BY t2.x;
237
# subquery (as long as the subquery from is valid or DUAL)
238
--error ER_BAD_FIELD_ERROR
239
DELETE FROM t1 ORDER BY (SELECT x);
244
# Bug #30234: Unexpected behavior using DELETE with AS and USING
255
CREATE TABLE db1.t1 (
258
INSERT INTO db1.t1 (a) SELECT * FROM t1;
261
CREATE TABLE db2.t1 (
264
INSERT INTO db2.t1 (a) SELECT * FROM t2;
266
--error ER_PARSE_ERROR
267
DELETE FROM t1 alias USING t1, t2 alias WHERE t1.a = alias.a;
268
DELETE FROM alias USING t1, t2 alias WHERE t1.a = alias.a;
269
DELETE FROM t1, alias USING t1, t2 alias WHERE t1.a = alias.a;
270
--error ER_UNKNOWN_TABLE
271
DELETE FROM t1, t2 USING t1, t2 alias WHERE t1.a = alias.a;
272
--error ER_PARSE_ERROR
273
DELETE FROM db1.t1 alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
274
DELETE FROM alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
275
--error ER_UNKNOWN_TABLE
276
DELETE FROM db2.alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
277
DELETE FROM t1 USING t1 WHERE a = 1;
279
--error ER_PARSE_ERROR
280
DELETE FROM t1 alias USING t1 alias WHERE a = 2;
287
--echo End of 5.0 tests
290
# Bug#27525: table not found when using multi-table-deletes with aliases over
292
# Bug#21148: MULTI-DELETE fails to resolve a table by alias if it's from a
297
DROP DATABASE IF EXISTS db1;
298
DROP DATABASE IF EXISTS db2;
299
DROP DATABASE IF EXISTS db3;
300
DROP DATABASE IF EXISTS db4;
301
DROP TABLE IF EXISTS t1, t2;
307
CREATE TABLE db1.t1 (a INT, b INT);
308
INSERT INTO db1.t1 VALUES (1,1),(2,2),(3,3);
309
CREATE TABLE db1.t2 AS SELECT * FROM db1.t1;
310
CREATE TABLE db2.t1 AS SELECT * FROM db1.t2;
311
CREATE TABLE db2.t2 AS SELECT * FROM db2.t1;
312
CREATE TABLE t1 AS SELECT * FROM db2.t2;
313
CREATE TABLE t2 AS SELECT * FROM t1;
316
# Testing without a selected database
322
--error ER_NO_DB_ERROR
325
# Detect missing table references
327
--error ER_NO_DB_ERROR
328
DELETE a1,a2 FROM db1.t1, db2.t2;
329
--error ER_NO_DB_ERROR
330
DELETE a1,a2 FROM db1.t1, db2.t2;
331
--error ER_NO_DB_ERROR
332
DELETE a1,a2 FROM db1.t1 AS a1, db2.t2;
333
--error ER_NO_DB_ERROR
334
DELETE a1,a2 FROM db1.t1, db2.t2 AS a2;
335
--error ER_NO_DB_ERROR
336
DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2;
337
--error ER_NO_DB_ERROR
338
DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2;
340
--error ER_NO_DB_ERROR
341
DELETE FROM a1,a2 USING db1.t1, db2.t2;
342
--error ER_NO_DB_ERROR
343
DELETE FROM a1,a2 USING db1.t1, db2.t2;
344
--error ER_NO_DB_ERROR
345
DELETE FROM a1,a2 USING db1.t1 AS a1, db2.t2;
346
--error ER_NO_DB_ERROR
347
DELETE FROM a1,a2 USING db1.t1, db2.t2 AS a2;
348
--error ER_NO_DB_ERROR
349
DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2;
350
--error ER_NO_DB_ERROR
351
DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2;
353
# Ambiguous table references
355
--error ER_NO_DB_ERROR
356
DELETE a1 FROM db1.t1 AS a1, db2.t2 AS a1;
357
--error ER_NO_DB_ERROR
358
DELETE a1 FROM db1.a1, db2.t2 AS a1;
359
--error ER_NO_DB_ERROR
360
DELETE a1 FROM a1, db1.t1 AS a1;
361
--error ER_NO_DB_ERROR
362
DELETE t1 FROM db1.t1, db2.t1 AS a1;
363
--error ER_NO_DB_ERROR
364
DELETE t1 FROM db1.t1 AS a1, db2.t1 AS a2;
365
--error ER_NO_DB_ERROR
366
DELETE t1 FROM db1.t1, db2.t1;
368
# Test all again, now with a selected database
372
# Detect missing table references
374
--error ER_UNKNOWN_TABLE
375
DELETE a1,a2 FROM db1.t1, db2.t2;
376
--error ER_UNKNOWN_TABLE
377
DELETE a1,a2 FROM db1.t1, db2.t2;
378
--error ER_UNKNOWN_TABLE
379
DELETE a1,a2 FROM db1.t1 AS a1, db2.t2;
380
--error ER_UNKNOWN_TABLE
381
DELETE a1,a2 FROM db1.t1, db2.t2 AS a2;
382
--error ER_NO_SUCH_TABLE
383
DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2;
384
--error ER_NO_SUCH_TABLE
385
DELETE a1,a2 FROM db3.t1 AS a1, db4.t2 AS a2;
387
--error ER_UNKNOWN_TABLE
388
DELETE FROM a1,a2 USING db1.t1, db2.t2;
389
--error ER_UNKNOWN_TABLE
390
DELETE FROM a1,a2 USING db1.t1, db2.t2;
391
--error ER_UNKNOWN_TABLE
392
DELETE FROM a1,a2 USING db1.t1 AS a1, db2.t2;
393
--error ER_UNKNOWN_TABLE
394
DELETE FROM a1,a2 USING db1.t1, db2.t2 AS a2;
395
--error ER_NO_SUCH_TABLE
396
DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2;
397
--error ER_NO_SUCH_TABLE
398
DELETE FROM a1,a2 USING db3.t1 AS a1, db4.t2 AS a2;
400
# Ambiguous table references
402
--error ER_NONUNIQ_TABLE
403
DELETE a1 FROM db1.t1 AS a1, db2.t2 AS a1;
404
--error ER_NO_SUCH_TABLE
405
DELETE a1 FROM db1.a1, db2.t2 AS a1;
406
--error ER_NONUNIQ_TABLE
407
DELETE a1 FROM a1, db1.t1 AS a1;
408
--error ER_UNKNOWN_TABLE
409
DELETE t1 FROM db1.t1, db2.t1 AS a1;
410
--error ER_UNKNOWN_TABLE
411
DELETE t1 FROM db1.t1 AS a1, db2.t1 AS a2;
412
--error ER_UNKNOWN_TABLE
413
DELETE t1 FROM db1.t1, db2.t1;
415
# Test multiple-table cross database deletes
417
DELETE t1 FROM db1.t2 AS t1, db2.t2 AS t2 WHERE t2.a = 1 AND t1.a = t2.a;
419
DELETE a1, a2 FROM db2.t1 AS a1, t2 AS a2 WHERE a1.a = 2 AND a2.a = 2;