cloud-fan commented on a change in pull request #28288:
URL: https://github.com/apache/spark/pull/28288#discussion_r412944568
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Canonicalize.scala
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@@ -46,6 +47,15 @@ object Canonicalize {
case _ => e
}
+ /** Remove TimeZoneId for Cast if needsTimeZone return false. */
+ private[expressions] def ignoreTimeZone(e: Expression): Expression = e match
{
+ case a: AnsiCast if !a.needsTimeZone && a.timeZoneId.nonEmpty =>
+ a.copy(timeZoneId = None)
+ case c: Cast if !c.needsTimeZone && c.timeZoneId.nonEmpty =>
+ c.copy(timeZoneId = None)
Review comment:
`CastBase` is not a case class and can't call `copy`
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