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https://issues.apache.org/jira/browse/SPARK-16174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-16174.
---------------------------------
Resolution: Fixed
Fix Version/s: 2.1.0
Issue resolved by pull request 13876
[https://github.com/apache/spark/pull/13876]
> Improve `OptimizeIn` optimizer to remove literal repetitions
> ------------------------------------------------------------
>
> Key: SPARK-16174
> URL: https://issues.apache.org/jira/browse/SPARK-16174
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Dongjoon Hyun
> Assignee: Dongjoon Hyun
> Priority: Minor
> Fix For: 2.1.0
>
>
> This issue improves `OptimizeIn` optimizer to remove the literal repetitions
> from SQL `IN` predicates. This optimizer prevents user mistakes and also can
> optimize some queries like
> [TPCDS-36|https://github.com/apache/spark/blob/master/sql/core/src/test/resources/tpcds/q36.sql#L19].
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