Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/7259#discussion_r34968226
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/commands.scala ---
@@ -300,3 +300,72 @@ case class ShowTablesCommand(databaseName:
Option[String]) extends RunnableComma
rows
}
}
+
+/**
+ * A command for users to list all of the registered functions.
+ * The syntax of using this command in SQL is:
+ * {{{
+ * SHOW FUNCTIONS
+ * }}}
+ * :: DeveloperApi ::
+ */
+@DeveloperApi
--- End diff --
Ok, I will remove it for now.
But do we have plan to expose the Expression as API for advanced developers
in the future?
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