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[SPARK-8052][SQL] Use java.math.BigDecimal for casting String to Decimal instead of using toDouble #6645

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[SPARK-8052][SQL] Use java.math.BigDecimal for casting String to Decimal instead of using toDouble #6645

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Use java.math.BigDecimal for casting String to Decimal instead of usi…
viirya Jun 4, 2015
c3e472a
Add test.
viirya Jun 5, 2015
e19c6a3
For comment.
viirya Jun 5, 2015
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2 changes: 1 addition & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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Expand Up @@ -323,7 +323,7 @@ case class Cast(child: Expression, dataType: DataType) extends UnaryExpression w
private[this] def castToDecimal(from: DataType, target: DecimalType): Any => Any = from match {
case StringType =>
buildCast[UTF8String](_, s => try {
changePrecision(Decimal(s.toString.toDouble), target)
changePrecision(Decimal(new java.math.BigDecimal(s.toString)), target)
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Just import this?

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ok.

} catch {
case _: NumberFormatException => null
})
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