[
https://issues.apache.org/jira/browse/HIVE-5321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alexander Pivovarov updated HIVE-5321:
--------------------------------------
Description:
select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1 and tt1.c1 <= 2);
do not give correct results.
to reproduce:
hive> create table tt1 (c1 int);
hive> create table tt2 (c1 int);
$ vi tt1
1
2
3
4
$ vi tt2
1
2
8
9
$ hadoop fs -put tt1 /user/hive/warehouse/tt1/
$ hadoop fs -put tt2 /user/hive/warehouse/tt2/
wrong result:
hive> select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1 and tt1.c1 <=
2);
1 1
2 2
3 NULL
4 NULL
correct result:
select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1) where tt1.c1 <= 2;
1 1
2 2
hive-0.11.0-bin$ head -1 RELEASE_NOTES.txt
Release Notes - Hive - Version 0.11.0
was:
SELECT * FROM T1 LEFT OUTER JOIN T2 ON (T1.c1=T2.c2 AND T1.c1 < 10)
and SELECT * FROM T1 RIGHT OUTER JOIN T2 ON (T1.c1=T2.c2 AND T2.c1 < 10)
do not give correct results.
to reproduce:
hive> create table tt1 (c1 int);
hive> create table tt2 (c1 int);
$ vi tt1
1
2
3
4
$ vi tt2
1
2
8
9
$ hadoop fs -put tt1 /user/hive/warehouse/tt1/
$ hadoop fs -put tt2 /user/hive/warehouse/tt2/
wrong result:
hive> select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1 and tt1.c1 <=
2);
1 1
2 2
3 NULL
4 NULL
correct result:
select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1) where tt1.c1 <= 2;
1 1
2 2
hive-0.11.0-bin$ head -1 RELEASE_NOTES.txt
Release Notes - Hive - Version 0.11.0
> Join filters do not work correctly with outer joins again
> ---------------------------------------------------------
>
> Key: HIVE-5321
> URL: https://issues.apache.org/jira/browse/HIVE-5321
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.9.0, 0.11.0
> Reporter: Alexander Pivovarov
>
> select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1 and tt1.c1 <= 2);
> do not give correct results.
> to reproduce:
> hive> create table tt1 (c1 int);
> hive> create table tt2 (c1 int);
> $ vi tt1
> 1
> 2
> 3
> 4
> $ vi tt2
> 1
> 2
> 8
> 9
> $ hadoop fs -put tt1 /user/hive/warehouse/tt1/
> $ hadoop fs -put tt2 /user/hive/warehouse/tt2/
> wrong result:
> hive> select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1 and tt1.c1 <=
> 2);
> 1 1
> 2 2
> 3 NULL
> 4 NULL
> correct result:
> select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1) where tt1.c1 <= 2;
> 1 1
> 2 2
> hive-0.11.0-bin$ head -1 RELEASE_NOTES.txt
> Release Notes - Hive - Version 0.11.0
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