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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2016/10/08 05:07:20 UTC

[jira] [Closed] (SPARK-9938) Constant folding in binaryComparison

     [ https://issues.apache.org/jira/browse/SPARK-9938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li closed SPARK-9938.
--------------------------
    Resolution: Won't Fix

> Constant folding in binaryComparison
> ------------------------------------
>
>                 Key: SPARK-9938
>                 URL: https://issues.apache.org/jira/browse/SPARK-9938
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Yijie Shen
>
> When we are comparing a int column with long literal, a < Int.MaxValue.toLong + 1L as a example, the analyzed plan would be LessThan(Cast(a, LongType), Literal).
> The result of predicate is determined and we could fold this at optimization phase.



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