Use java.math.BigDecimal for casting String to Decimal instead of usi…

…ng toDouble.
markhamstra · Jun 4, 2015 · 7ced9b0 · 7ced9b0
1 parent 2c4d550
commit 7ced9b0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
@@ -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)
       } catch {
         case _: NumberFormatException => null
       })