cloud-fan commented on a change in pull request #29756:
URL: https://github.com/apache/spark/pull/29756#discussion_r493464663
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala
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@@ -731,3 +732,11 @@ case class HiveTableRelation(
s"$nodeName $metadataStr"
}
}
+
+/**
+ * A V2 table with V1 fallback support. This is used to fallback to V1 table
when the V2 one
+ * doesn't implement specific capabilities but V1 already has.
+ */
+trait V2TableWithV1Fallback extends Table {
Review comment:
shall we define it in the same file as `V1Table`?
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