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 INTO t1 VALUES (1,2);
11
INSERT INTO t1 VALUES (1,3);
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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,
50
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,
55
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',
69
# CHAR(0) bug - not actually DELETE bug, but anyway...
72
CREATE TEMPORARY TABLE t1 (
73
bool char(0) default NULL,
74
not_null varchar(20) NOT NULL default '',
75
misc integer not null,
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PRIMARY KEY (not_null)
79
INSERT INTO t1 VALUES (NULL,'a',4), (NULL,'b',5), (NULL,'c',6), (NULL,'d',7);
81
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;
86
delete from t1 where 1 > 2;
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select count(*) from t1;
88
delete from t1 where 3 > 2;
89
select count(*) from t1;
96
create table t11 (a int NOT NULL, b int, primary key (a));
97
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);
100
insert into t12 values (33, 10),(0, 11),(2, 12);
101
insert into t2 values (1, 21),(2, 12),(3, 23);
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--error ER_SUBQUERY_NO_1_ROW
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delete from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
116
# PBXT doesn't currently support DELETE IGNORE and turns it into plain DELETE
117
if (`select if (@@storage_engine = 'PBXT', 0, 1)`) {
118
delete ignore from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
121
drop table t11, t12, t2;
124
# Bug #4198: deletion and KEYREAD
127
create table t1 (a int, b int, unique key (a), key (b));
128
insert into t1 values (3, 3), (7, 7);
129
delete from t1 where a = 3;
135
# Bug #8392: delete with ORDER BY containing a direct reference to the table
138
CREATE TABLE t1 ( a int PRIMARY KEY );
139
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
140
INSERT INTO t1 VALUES (0),(1),(2);
141
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
146
# Bug#17711: DELETE doesn't use index when ORDER BY, LIMIT and
147
# non-restricting WHERE is present.
149
# PBXT is different here. @a = 2 instead of 1. I think the
150
# reason is because an index is not used, as done with
151
# InnoDB. This may be due to lack of cluster index. If the
152
# delete below is based on a secondary index then the
154
create table t1(f1 int primary key);
155
insert into t1 values (4),(3),(1),(2);
156
delete from t1 where (@a:= f1) order by f1 limit 1;
160
# BUG#30385 "Server crash when deleting with order by and limit"
163
`seq` int NOT NULL auto_increment,
168
DELETE FROM t1 ORDER BY date ASC LIMIT 1;
171
--echo End of 4.1 tests
174
# Bug #26186: delete order by, sometimes accept unknown column
176
CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1);
178
--error ER_BAD_FIELD_ERROR
179
DELETE FROM t1 ORDER BY x;
181
# even columns from a table not used in query (and not even existing)
182
--error ER_BAD_FIELD_ERROR
183
DELETE FROM t1 ORDER BY t2.x;
185
# subquery (as long as the subquery from is valid or DUAL)
186
--error ER_BAD_FIELD_ERROR
187
DELETE FROM t1 ORDER BY (SELECT x);
192
# Bug #30234: Unexpected behavior using DELETE with AS and USING
203
CREATE TABLE db1.t1 (
206
INSERT INTO db1.t1 (a) SELECT * FROM t1;
209
CREATE TABLE db2.t1 (
212
INSERT INTO db2.t1 (a) SELECT * FROM t2;
215
--error ER_PARSE_ERROR
216
DELETE FROM t1 alias USING t1 alias WHERE a = 2;
223
--echo End of 5.0 tests
226
# Bug#27525: table not found when using multi-table-deletes with aliases over
228
# Bug#21148: MULTI-DELETE fails to resolve a table by alias if it's from a
233
DROP DATABASE IF EXISTS db1;
234
DROP DATABASE IF EXISTS db2;
235
DROP DATABASE IF EXISTS db3;
236
DROP DATABASE IF EXISTS db4;
237
DROP TABLE IF EXISTS t1, t2;
243
CREATE TABLE db1.t1 (a INT, b INT);
244
INSERT INTO db1.t1 VALUES (1,1),(2,2),(3,3);
245
CREATE TABLE db1.t2 AS SELECT * FROM db1.t1;
246
CREATE TABLE db2.t1 AS SELECT * FROM db1.t2;
247
CREATE TABLE db2.t2 AS SELECT * FROM db2.t1;
248
CREATE TABLE t1 AS SELECT * FROM db2.t2;
249
CREATE TABLE t2 AS SELECT * FROM t1;