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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:23:35 UTC
[jira] [Updated] (SPARK-12845) During join Spark should pushdown
predicates on joining column to both tables
[ https://issues.apache.org/jira/browse/SPARK-12845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-12845:
---------------------------------
Labels: bulk-closed (was: )
> During join Spark should pushdown predicates on joining column to both tables
> -----------------------------------------------------------------------------
>
> Key: SPARK-12845
> URL: https://issues.apache.org/jira/browse/SPARK-12845
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Maciej Bryński
> Priority: Major
> Labels: bulk-closed
>
> I have following issue.
> I'm connecting two tables with where condition
> {code}
> select * from t1 join t2 in t1.id1 = t2.id2 where t1.id = 1234
> {code}
> In this code predicate is only push down to t1.
> To have predicates on both table I should run following query:
> {code}
> select * from t1 join t2 in t1.id1 = t2.id2 where t1.id = 1234 and t2.id2 = 1234
> {code}
> Spark should present same behaviour for both queries.
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