[jira] [Updated] (SPARK-18603) Support `OuterReference` in projection list of IN correlated subqueries

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-18603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-18603:
---------------------------------
    Labels: bulk-closed  (was: )

> Support `OuterReference` in projection list of IN correlated subqueries
> -----------------------------------------------------------------------
>
>                 Key: SPARK-18603
>                 URL: https://issues.apache.org/jira/browse/SPARK-18603
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.0.2
>            Reporter: Dongjoon Hyun
>            Priority: Major
>              Labels: bulk-closed
>
> This issue aims to allow OuterReference columns in projection lists of IN correlated subqueries. 
> *SIMPLE EXAMPLE*
> {code}
> scala> sql("CREATE TEMPORARY VIEW t1 AS SELECT * FROM VALUES 1, 2 AS t1(a)")
> scala> sql("CREATE TEMPORARY VIEW t2 AS SELECT * FROM VALUES 1 AS t2(b)")
> scala> sql("SELECT a FROM t1 WHERE a IN (SELECT a FROM t2)").show
> {code}
> *COMPLEX EXAMPLE*
> {code}
> SELECT *
> FROM t1
> WHERE a IN (SELECT x
>             FROM (SELECT b, a + 1 as x, a + b as y
>                   FROM t2)
>             WHERE y > 0)
> {code}



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