2
# Check for problems with delete
6
drop table if exists t1,t2,t3,t11,t12;
8
CREATE TABLE t1 (a tinyint(3), b tinyint(5));
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(10) NOT NULL default '0',
65
`i2` int(10) NOT NULL default '0',
69
DELETE FROM t1 USING t1 WHERE post='1';
73
# CHAR(0) bug - not actually DELETE bug, but anyway...
77
bool char(0) default NULL,
78
not_null varchar(20) binary NOT NULL default '',
79
misc integer not null,
80
PRIMARY KEY (not_null)
83
INSERT INTO t1 VALUES (NULL,'a',4), (NULL,'b',5), (NULL,'c',6), (NULL,'d',7);
85
select * from t1 where misc > 5 and bool is null;
86
delete from t1 where misc > 5 and bool is null;
87
select * from t1 where misc > 5 and bool is null;
89
select count(*) from t1;
90
delete from t1 where 1 > 2;
91
select count(*) from t1;
92
delete from t1 where 3 > 2;
93
select count(*) from t1;
97
# Bug #5733: Table handler error with self-join multi-table DELETE
100
create table t1 (a int not null auto_increment primary key, b char(32));
101
insert into t1 (b) values ('apple'), ('apple');
103
delete t1 from t1, t1 as t2 where t1.b = t2.b and t1.a > t2.a;
110
create table t11 (a int NOT NULL, b int, primary key (a));
111
create table t12 (a int NOT NULL, b int, primary key (a));
112
create table t2 (a int NOT NULL, b int, primary key (a));
113
insert into t11 values (0, 10),(1, 11),(2, 12);
114
insert into t12 values (33, 10),(0, 11),(2, 12);
115
insert into t2 values (1, 21),(2, 12),(3, 23);
120
delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a);
123
delete ignore t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b <> (select b from t2 where t11.a < t2.a);
126
insert into t11 values (2, 12);
128
delete from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
130
delete ignore from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
132
drop table t11, t12, t2;
135
# Bug #4198: deletion and KEYREAD
138
create table t1 (a int, b int, unique key (a), key (b));
139
insert into t1 values (3, 3), (7, 7);
140
delete t1 from t1 where a = 3;
146
# Bug #8392: delete with ORDER BY containing a direct reference to the table
149
CREATE TABLE t1 ( a int PRIMARY KEY );
150
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
151
INSERT INTO t1 VALUES (0),(1),(2);
152
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
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
# Bug#17711: DELETE doesn't use index when ORDER BY, LIMIT and
168
# non-restricting WHERE is present.
170
create table t1(f1 int primary key);
171
insert into t1 values (4),(3),(1),(2);
172
delete from t1 where (@a:= f1) order by f1 limit 1;
176
# BUG#30385 "Server crash when deleting with order by and limit"
180
`seq` int(10) unsigned NOT NULL auto_increment,
186
DELETE FROM t1 ORDER BY date ASC, time ASC LIMIT 1;
189
--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
# Bug #26186: delete order by, sometimes accept unknown column
222
CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1);
224
--error ER_BAD_FIELD_ERROR
225
DELETE FROM t1 ORDER BY x;
227
# even columns from a table not used in query (and not even existing)
228
--error ER_BAD_FIELD_ERROR
229
DELETE FROM t1 ORDER BY t2.x;
231
# subquery (as long as the subquery from is valid or DUAL)
232
--error ER_BAD_FIELD_ERROR
233
DELETE FROM t1 ORDER BY (SELECT x);
238
# Bug #30234: Unexpected behavior using DELETE with AS and USING
249
CREATE TABLE db1.t1 (
252
INSERT INTO db1.t1 (a) SELECT * FROM t1;
255
CREATE TABLE db2.t1 (
258
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;
273
--error ER_PARSE_ERROR
274
DELETE FROM t1 alias USING t1 alias WHERE a = 2;
281
--echo End of 5.0 tests
284
# Bug#27525: table not found when using multi-table-deletes with aliases over
286
# Bug#21148: MULTI-DELETE fails to resolve a table by alias if it's from a
291
DROP DATABASE IF EXISTS db1;
292
DROP DATABASE IF EXISTS db2;
293
DROP DATABASE IF EXISTS db3;
294
DROP DATABASE IF EXISTS db4;
295
DROP TABLE IF EXISTS t1, t2;
301
CREATE TABLE db1.t1 (a INT, b INT);
302
INSERT INTO db1.t1 VALUES (1,1),(2,2),(3,3);
303
CREATE TABLE db1.t2 AS SELECT * FROM db1.t1;
304
CREATE TABLE db2.t1 AS SELECT * FROM db1.t2;
305
CREATE TABLE db2.t2 AS SELECT * FROM db2.t1;
306
CREATE TABLE t1 AS SELECT * FROM db2.t2;
307
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;