Github user liancheng commented on a diff in the pull request: https://github.com/apache/spark/pull/4945#discussion_r26054354 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala --- @@ -269,6 +285,14 @@ trait HiveTypeCoercion { i.makeCopy(Array(Cast(a, StringType), b.map(Cast(_, StringType)))) case i @ In(a, b) if a.dataType == TimestampType && b.forall(_.dataType == DateType) => i.makeCopy(Array(Cast(a, StringType), b.map(Cast(_, StringType)))) + case i @ In(a, b) if a.dataType == StringType + && b.exists(_.dataType.isInstanceOf[NumericType]) => + i.makeCopy(Array(Cast(a, DoubleType), b)) --- End diff -- As I've commented on the JIRA ticket, this is not the behavior of Hive. Hive actually converts the numerics in the constant set into strings.
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