cloud-fan commented on a change in pull request #25997: [SPARK-29326][SQL] ANSI
store assignment policy: throw exception on casting failure
URL: https://github.com/apache/spark/pull/25997#discussion_r330440215
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -256,10 +256,13 @@ object Cast {
> SELECT _FUNC_('10' as int);
10
""")
-case class Cast(child: Expression, dataType: DataType, timeZoneId:
Option[String] = None)
- extends UnaryExpression with TimeZoneAwareExpression with NullIntolerant {
+abstract class CastBase extends UnaryExpression with TimeZoneAwareExpression
with NullIntolerant {
+
+ def child: Expression
+
+ def dataType: DataType
- def this(child: Expression, dataType: DataType) = this(child, dataType, None)
+ def timeZoneId: Option[String]
Review comment:
This is already declared in the parent class `TimeZoneAwareExpression`
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