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https://issues.apache.org/jira/browse/SPARK-12769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin closed SPARK-12769.
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Resolution: Won't Fix
Closing as won't fix for now since doing this change would make the explain
plan more confusing (if -> case).
> Remove If expression
> --------------------
>
> Key: SPARK-12769
> URL: https://issues.apache.org/jira/browse/SPARK-12769
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
>
> If can be a simple factory method for CaseWhen, similar to CaseKeyWhen.
> We can then simplify the optimizer rules we implement for conditional
> expressions.
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