class ExpressionEvaluator[T <: Product, R] extends AnyRef
ExpressionEvaluator can evaluate a Spark SQL expression against a case class
- T
class of object the expression should be evaluated on
- R
class of expressions expected return type. This might also be set Any, in that case the result type check is omitted and complex datatypes will not be mapped to case classes, as they are not specified.
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Instance Constructors
- new ExpressionEvaluator(exprCol: Column)(implicit arg0: scala.reflect.api.JavaUniverse.TypeTag[T], arg1: scala.reflect.api.JavaUniverse.TypeTag[R], classTagR: ClassTag[R])
- exprCol
expression to be evaluated as Column object
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- val resultDataType: DataType
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- def finalize(): Unit
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