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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2017/10/13 01:49:00 UTC

[jira] [Resolved] (SPARK-22263) Refactor deterministic as lazy value

     [ https://issues.apache.org/jira/browse/SPARK-22263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li resolved SPARK-22263.
-----------------------------
       Resolution: Fixed
         Assignee: Gengliang Wang
    Fix Version/s: 2.3.0

> Refactor deterministic as lazy value
> ------------------------------------
>
>                 Key: SPARK-22263
>                 URL: https://issues.apache.org/jira/browse/SPARK-22263
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Gengliang Wang
>            Assignee: Gengliang Wang
>            Priority: Critical
>             Fix For: 2.3.0
>
>
> The method `deterministic` is frequently called in optimizer.
> Refactor `deterministic` as lazy value, in order to avoid redundant computations.



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