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https://issues.apache.org/jira/browse/SPARK-10485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust updated SPARK-10485:
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Affects Version/s: 1.5.0
> IF expression is not correctly resolved when one of the options have NullType
> -----------------------------------------------------------------------------
>
> Key: SPARK-10485
> URL: https://issues.apache.org/jira/browse/SPARK-10485
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.4.1, 1.5.0
> Reporter: Antonio Jesus Navarro
>
> If we have this query:
> {code}
> SELECT IF(column > 1, 1, NULL) FROM T1
> {code}
> On Spark 1.4.1 we have this:
> {code}
> override lazy val resolved = childrenResolved && trueValue.dataType ==
> falseValue.dataType
> {code}
> So if one of the types is NullType, the if expression is not resolved.
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