2
# Check for problems with delete
6
drop table if exists t1,t2,t3,t11,t12;
8
CREATE TABLE t1 (a int, b int);
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INSERT INTO t1 VALUES (1,1);
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INSERT INTO t1 VALUES (1,2);
11
INSERT INTO t1 VALUES (1,3);
12
DELETE from t1 where a=1 limit 1;
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DELETE from t1 where a=1;
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INSERT INTO t1 VALUES (1,1);
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INSERT INTO t1 VALUES (1,2);
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INSERT INTO t1 VALUES (1,2);
26
# Test of delete when the delete will cause a node to disappear and reappear
27
# (This assumes a block size of 1024)
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b bigint not null default 0,
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c bigint not null default 0,
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d bigint not null default 0,
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e bigint not null default 0,
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f bigint not null default 0,
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g bigint not null default 0,
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h bigint not null default 0,
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i bigint not null default 0,
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j bigint not null default 0,
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primary key (a,b,c,d,e,f,g,h,i,j));
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insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23);
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delete from t1 where a=26;
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b bigint not null default 0,
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c bigint not null default 0,
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d bigint not null default 0,
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e bigint not null default 0,
51
f bigint not null default 0,
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g bigint not null default 0,
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h bigint not null default 0,
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i bigint not null default 0,
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j bigint not null default 0,
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primary key (a,b,c,d,e,f,g,h,i,j));
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insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23),(27);
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delete from t1 where a=27;
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`i` int NOT NULL default '0',
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`i2` int NOT NULL default '0',
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# CHAR(0) bug - not actually DELETE bug, but anyway...
72
CREATE TEMPORARY TABLE t1 (
73
bool char(0) default NULL,
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not_null varchar(20) NOT NULL default '',
75
misc integer not null,
76
PRIMARY KEY (not_null)
79
INSERT INTO t1 VALUES (NULL,'a',4), (NULL,'b',5), (NULL,'c',6), (NULL,'d',7);
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select * from t1 where misc > 5 and bool is null;
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delete from t1 where misc > 5 and bool is null;
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select * from t1 where misc > 5 and bool is null;
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select count(*) from t1;
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delete from t1 where 1 > 2;
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select count(*) from t1;
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delete from t1 where 3 > 2;
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select count(*) from t1;
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create table t11 (a int NOT NULL, b int, primary key (a));
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create table t12 (a int NOT NULL, b int, primary key (a));
98
create table t2 (a int NOT NULL, b int, primary key (a));
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insert into t11 values (0, 10),(1, 11),(2, 12);
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insert into t12 values (33, 10),(0, 11),(2, 12);
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insert into t2 values (1, 21),(2, 12),(3, 23);
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delete from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
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delete ignore from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
117
drop table t11, t12, t2;
120
# Bug #4198: deletion and KEYREAD
123
create table t1 (a int, b int, unique key (a), key (b));
124
insert into t1 values (3, 3), (7, 7);
125
delete from t1 where a = 3;
131
# Bug #8392: delete with ORDER BY containing a direct reference to the table
134
CREATE TABLE t1 ( a int PRIMARY KEY );
135
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
136
INSERT INTO t1 VALUES (0),(1),(2);
137
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
142
# Bug#17711: DELETE doesn't use index when ORDER BY, LIMIT and
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
150
create table t1(f1 int primary key);
151
insert into t1 values (4),(3),(1),(2);
152
delete from t1 where (@a:= f1) order by f1 limit 1;
156
# BUG#30385 "Server crash when deleting with order by and limit"
159
`seq` int NOT NULL auto_increment,
164
DELETE FROM t1 ORDER BY date ASC LIMIT 1;
167
--echo End of 4.1 tests
170
# Bug #26186: delete order by, sometimes accept unknown column
172
CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1);
174
--error ER_BAD_FIELD_ERROR
175
DELETE FROM t1 ORDER BY x;
177
# even columns from a table not used in query (and not even existing)
178
--error ER_BAD_FIELD_ERROR
179
DELETE FROM t1 ORDER BY t2.x;
181
# subquery (as long as the subquery from is valid or DUAL)
182
--error ER_BAD_FIELD_ERROR
183
DELETE FROM t1 ORDER BY (SELECT x);
188
# Bug #30234: Unexpected behavior using DELETE with AS and USING
199
CREATE TABLE db1.t1 (
202
INSERT INTO db1.t1 (a) SELECT * FROM t1;
205
CREATE TABLE db2.t1 (
208
INSERT INTO db2.t1 (a) SELECT * FROM t2;
211
--error ER_PARSE_ERROR
212
DELETE FROM t1 alias USING t1 alias WHERE a = 2;
219
--echo End of 5.0 tests
222
# Bug#27525: table not found when using multi-table-deletes with aliases over
224
# Bug#21148: MULTI-DELETE fails to resolve a table by alias if it's from a
229
DROP DATABASE IF EXISTS db1;
230
DROP DATABASE IF EXISTS db2;
231
DROP DATABASE IF EXISTS db3;
232
DROP DATABASE IF EXISTS db4;
233
DROP TABLE IF EXISTS t1, t2;
239
CREATE TABLE db1.t1 (a INT, b INT);
240
INSERT INTO db1.t1 VALUES (1,1),(2,2),(3,3);
241
CREATE TABLE db1.t2 AS SELECT * FROM db1.t1;
242
CREATE TABLE db2.t1 AS SELECT * FROM db1.t2;
243
CREATE TABLE db2.t2 AS SELECT * FROM db2.t1;
244
CREATE TABLE t1 AS SELECT * FROM db2.t2;
245
CREATE TABLE t2 AS SELECT * FROM t1;