Commit 65a94e34 authored by unknown's avatar unknown
Browse files

added test for BUG#3759

parent 2466cbc4

mysql-test/r/select.result

+21 −0
Original line number Diff line number Diff line
@@ -2327,3 +2327,24 @@ select * from t2,t3 where t2.s = t3.s; 
s	s

two		two	

drop table t1, t2, t3;

create table t1 (a integer,  b integer, index(a), index(b));

create table t2 (c integer,  d integer, index(c), index(d));

insert into t1 values (1,2), (2,2), (3,2), (4,2);

insert into t2 values (1,3), (2,3), (3,4), (4,4);

explain select * from t1 left join t2 on a=c where d in (4);

table	type	possible_keys	key	key_len	ref	rows	Extra

t2	ref	c,d	d	5	const	2	Using where

t1	ALL	a	NULL	NULL	NULL	3	Using where

select * from t1 left join t2 on a=c where d in (4);

a	b	c	d

3	2	3	4

4	2	4	4

explain select * from t1 left join t2 on a=c where d = 4;

table	type	possible_keys	key	key_len	ref	rows	Extra

t2	ref	c,d	d	5	const	2	Using where

t1	ALL	a	NULL	NULL	NULL	3	Using where

select * from t1 left join t2 on a=c where d = 4;

a	b	c	d

3	2	3	4

4	2	4	4

drop table t1, t2;

mysql-test/t/select.test

+14 −0
Original line number Diff line number Diff line
@@ -1874,3 +1874,17 @@ select * from t3 where s = 'one'; 
select * from t1,t2 where t1.s = t2.s;

select * from t2,t3 where t2.s = t3.s;

drop table t1, t2, t3;



#

# Bug #3759

# Both queries should produce identical plans and results.

#

create table t1 (a integer,  b integer, index(a), index(b));

create table t2 (c integer,  d integer, index(c), index(d));

insert into t1 values (1,2), (2,2), (3,2), (4,2);

insert into t2 values (1,3), (2,3), (3,4), (4,4);

explain select * from t1 left join t2 on a=c where d in (4);

select * from t1 left join t2 on a=c where d in (4);

explain select * from t1 left join t2 on a=c where d = 4;

select * from t1 left join t2 on a=c where d = 4;

drop table t1, t2;
 
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