Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/1346#discussion_r14903645
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
---
@@ -85,6 +85,26 @@ object ScalaReflection {
case t if t <:< definitions.BooleanTpe => Schema(BooleanType, nullable
= false)
}
+ def typeOfObject: PartialFunction[Any, DataType] = {
+ // The data type can be determined without ambiguity.
+ case obj: BooleanType.JvmType => BooleanType
+ case obj: BinaryType.JvmType => BinaryType
+ case obj: StringType.JvmType => StringType
+ case obj: ByteType.JvmType => ByteType
+ case obj: ShortType.JvmType => ShortType
+ case obj: IntegerType.JvmType => IntegerType
+ case obj: LongType.JvmType => LongType
+ case obj: FloatType.JvmType => FloatType
+ case obj: DoubleType.JvmType => DoubleType
+ case obj: DecimalType.JvmType => DecimalType
+ case obj: TimestampType.JvmType => TimestampType
+ case null => NullType
+ // For other cases, there is no obvious mapping from the type of the
given object to a
--- End diff --
Perhaps this should go in scaladoc for this partial function.
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