Github user sameeragarwal commented on a diff in the pull request:
https://github.com/apache/spark/pull/14607#discussion_r75537096
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala ---
@@ -443,6 +446,31 @@ case class AlterTableDropPartitionCommand(
case class AlterTableRecoverPartitionsCommand(
tableName: TableIdentifier,
cmd: String = "ALTER TABLE RECOVER PARTITIONS") extends
RunnableCommand {
+
+ // These are two fast stats in Hive Metastore
--- End diff --
Let's add a little more context here so that this comment is self
explanatory -- perhaps something along the lines of "These are list of
statistics that can be collected quickly without requiring a scan of the data"
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