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https://issues.apache.org/jira/browse/SPARK-12845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15108132#comment-15108132
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Maciej Bryński commented on SPARK-12845:
----------------------------------------

[~smilegator]
I'll try.
Is this patch works only with INNER JOIN ?

> 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
>
> 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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