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https://issues.apache.org/jira/browse/SPARK-18603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-18603:
----------------------------------
Description:
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}
was:
This issue aims to allow OuterReference columns in projection lists of IN
correlated subqueries.
*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}
> 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: Improvement
> Components: SQL
> Affects Versions: 2.0.2
> Reporter: Dongjoon Hyun
>
> 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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