wangyum commented on a change in pull request #29731:
URL: https://github.com/apache/spark/pull/29731#discussion_r488676798
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -670,18 +705,7 @@ abstract class CastBase extends UnaryExpression with
TimeZoneAwareExpression wit
private[this] def castToDecimal(from: DataType, target: DecimalType): Any =>
Any = from match {
case StringType =>
- buildCast[UTF8String](_, s => try {
- // According the benchmark test, `s.toString.trim` is much faster
than `s.trim.toString`.
- // Please refer to https://github.com/apache/spark/pull/26640
- changePrecision(Decimal(new JavaBigDecimal(s.toString.trim)), target)
- } catch {
- case _: NumberFormatException =>
- if (ansiEnabled) {
- throw new NumberFormatException(s"invalid input syntax for type
numeric: $s")
- } else {
- null
- }
- })
+ buildCast[UTF8String](_, s => stringToDecimal(s, target))
Review comment:
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