cloud-fan commented on a change in pull request #27537:
[SPARK-30668][SQL][FOLLOWUP] Raise exception instead of silent change for new
TimestampFormatter
URL: https://github.com/apache/spark/pull/27537#discussion_r386422078
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeFormatterHelper.scala
##########
@@ -57,6 +61,29 @@ trait DateTimeFormatterHelper {
}
formatter
}
+
+ // When legacy time parser policy set to EXCEPTION, check whether we will
get different results
+ // between legacy format and new format. For legacy parser,
DateTimeParseException will not be
+ // thrown. On the contrary, if the legacy policy set to CORRECTED,
DateTimeParseException will
+ // address by the caller side.
+ protected def checkDiffResult[T](
+ s: String, legacyParseFunc: String => T): PartialFunction[Throwable, T] = {
+ case e: DateTimeParseException if LegacyBehaviorPolicy.withName(
Review comment:
seems it's worth to have a method in `SQLConf` to return the policy, as it
will be used in many places.
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