diff options
| author | unknown <timour@mysql.com> | 2004-08-30 18:14:29 +0300 |
|---|---|---|
| committer | unknown <timour@mysql.com> | 2004-08-30 18:14:29 +0300 |
| commit | 65a94e3470018a66d4b148c40fd7e5b91db229ed (patch) | |
| tree | 2e84890988c4f68ab8eb25bbf8b51d41b25b146d /mysql-test | |
| parent | 2466cbc4793fd56e531d128225227ba05e019757 (diff) | |
| download | mariadb-git-65a94e3470018a66d4b148c40fd7e5b91db229ed.tar.gz | |
added test for BUG#3759
Diffstat (limited to 'mysql-test')
| -rw-r--r-- | mysql-test/r/select.result | 21 | ||||
| -rw-r--r-- | mysql-test/t/select.test | 14 |
2 files changed, 35 insertions, 0 deletions
diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result index 206fa507615..99041701cb8 100644 --- a/mysql-test/r/select.result +++ b/mysql-test/r/select.result @@ -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; diff --git a/mysql-test/t/select.test b/mysql-test/t/select.test index 7cb157f194e..11b3ae6aed1 100644 --- a/mysql-test/t/select.test +++ b/mysql-test/t/select.test @@ -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;
\ No newline at end of file |