cloud-fan commented on a change in pull request #29339:
URL: https://github.com/apache/spark/pull/29339#discussion_r520667660
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala
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@@ -976,4 +983,24 @@ trait CheckAnalysis extends PredicateHelper {
failOnOuterReferenceInSubTree(p)
}}
}
+
+ // Make sure that table is able to alter partition.
+ private def checkAlterTablePartition(
+ table: Table, parts: Seq[PartitionSpec]): Unit = {
+ (table, parts) match {
+ case (_, parts) if parts.exists(_.isInstanceOf[UnresolvedPartitionSpec])
=>
+ failAnalysis("PartitionSpecs are not resolved")
+
+ case (table, _) if !table.isInstanceOf[SupportsPartitionManagement] =>
+ failAnalysis(s"Table ${table.name()} can not alter partitions.")
+
+ // Skip atomic partition tables
+ case (_: SupportsAtomicPartitionManagement, _) =>
Review comment:
Not related to this PR: I'm wondering if we do need this separation. Do
we have a concern that it's hard for implementations to add/drop multiple
partitions atomically?
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