maropu commented on a change in pull request #25253: [SPARK-28470][SQL] Cast to
decimal throws ArithemticException on overflow
URL: https://github.com/apache/spark/pull/25253#discussion_r310349825
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
##########
@@ -498,22 +499,34 @@ case class Cast(child: Expression, dataType: DataType,
timeZoneId: Option[String
b => x.numeric.asInstanceOf[Numeric[Any]].toInt(b).toByte
}
+ private val nullOnOverflow = SQLConf.get.decimalOperationsNullOnOverflow
+
/**
* Change the precision / scale in a given decimal to those set in
`decimalType` (if any),
* returning null if it overflows or modifying `value` in-place and
returning it if successful.
*
* NOTE: this modifies `value` in-place, so don't call it on external data.
*/
private[this] def changePrecision(value: Decimal, decimalType: DecimalType):
Decimal = {
Review comment:
nit: can you update the description?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
