Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/12146#discussion_r59122053
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala ---
@@ -176,12 +176,62 @@ case class DescribeDatabase(
}
/**
+ * Drops a table/view from the metastore and removes it if it is cached.
+ *
+ * The syntax of this command is:
+ * {{{
+ * DROP TABLE [IF EXISTS] table_name [PURGE] [FOR REPLICATION(event_id)];
--- End diff --
Let's remove `[PURGE] [FOR REPLICATION(event_id)]`.
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