cloud-fan commented on a change in pull request #30442:
URL: https://github.com/apache/spark/pull/30442#discussion_r530366120
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -1254,10 +1260,11 @@ abstract class CastBase extends UnaryExpression with
TimeZoneAwareExpression wit
ctx.addReferenceObj("zoneId", zoneId, zoneIdClass.getName),
zoneIdClass)
val longOpt = ctx.freshVariable("longOpt", classOf[Option[Long]])
+ val stringToTimestampFunc = if (ansiEnabled) "stringToTimestampAnsi"
else "stringToTimestamp"
Review comment:
If `stringToTimestampAnsi` returns `Long` directly, the codegen for it
will be largely simplified.
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