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