diff options
Diffstat (limited to 'mysql-test/r/join.result')
| -rw-r--r-- | mysql-test/r/join.result | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/mysql-test/r/join.result b/mysql-test/r/join.result index 96113dcdc8b..ff608825b9c 100644 --- a/mysql-test/r/join.result +++ b/mysql-test/r/join.result @@ -14,8 +14,7 @@ insert into t1 values (101); insert into t1 values (105); insert into t1 values (106); insert into t1 values (107); -insert into t2 values (107); -insert into t2 values (75); +insert into t2 values (107),(75),(1000); select t1.id, t2.id from t1, t2 where t2.id = t1.id; id id 107 107 @@ -28,6 +27,16 @@ select t1.id, count(t2.id) from t1,t2 where t2.id = t1.id group by t2.id; id count(t2.id) 75 1 107 1 +select t1.id,t2.id from t2 left join t1 on t1.id>=74 and t1.id<=0 where t2.id=75 and t1.id is null; +id id +NULL 75 +explain select t1.id,t2.id from t2 left join t1 on t1.id>=74 and t1.id<=0 where t2.id=75 and t1.id is null; +table type possible_keys key key_len ref rows Extra +t1 const PRIMARY NULL NULL NULL 1 Impossible ON condition +t2 ALL NULL NULL NULL NULL 3 Using where +explain select t1.id, t2.id from t1, t2 where t2.id = t1.id and t1.id <0 and t1.id > 0; +Comment +Impossible WHERE noticed after reading const tables drop table t1,t2; CREATE TABLE t1 ( id int(11) NOT NULL auto_increment, |