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https://issues.apache.org/jira/browse/SPARK-2342?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust resolved SPARK-2342.
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Resolution: Fixed
Fix Version/s: 1.1.0
1.0.1
> Evaluation helper's output type doesn't conform to input type
> -------------------------------------------------------------
>
> Key: SPARK-2342
> URL: https://issues.apache.org/jira/browse/SPARK-2342
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.0.0
> Reporter: Yijie Shen
> Priority: Minor
> Labels: easyfix
> Fix For: 1.0.1, 1.1.0
>
>
> In sql/catalyst/org/apache/spark/sql/catalyst/expressions.scala
> {code}protected final def n2 ( i: Row, e1: Expression, e2: Expression, f:
> ((Numeric[Any], Any, Any) => Any)): Any {code}
> is intended to do computations for Numeric add/Minus/Multipy.
> Just as the comment suggest : {quote}Those expressions are supposed to be in
> the same data type, and also the return type.{quote}
> But in code, function f was casted to function signature:
> {code}(Numeric[n.JvmType], n.JvmType, n.JvmType) => Int{code}
> I thought it as a typo and the correct should be:
> {code}(Numeric[n.JvmType], n.JvmType, n.JvmType) => n.JvmType{code}
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