Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/5155#discussion_r27064360
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala
---
@@ -36,6 +36,10 @@ class UnresolvedException[TreeType <: TreeNode[_]](tree:
TreeType, function: Str
case class UnresolvedRelation(
tableIdentifier: Seq[String],
alias: Option[String] = None) extends LeafNode {
+
+ /** Returns a `.` separated name for this relation. */
+ def tableName = tableIdentifier.mkString(".")
--- End diff --
Add a TODO at here about using backticks to quote any part of the
identifier having `.` in the string?
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