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Posted to issues@spark.apache.org by "Wenchen Fan (JIRA)" <ji...@apache.org> on 2016/04/23 07:44:12 UTC

[jira] [Resolved] (SPARK-14863) Cache TreeNode's hashCode

     [ https://issues.apache.org/jira/browse/SPARK-14863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-14863.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Issue resolved by pull request 12626
[https://github.com/apache/spark/pull/12626]

> Cache TreeNode's hashCode
> -------------------------
>
>                 Key: SPARK-14863
>                 URL: https://issues.apache.org/jira/browse/SPARK-14863
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>             Fix For: 2.0.0
>
>
> Caching TreeNode's hashCode can lead to orders-of-magnitude performance improvement in certain optimizer rules when operating on data with huge/complex schemas.



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