cloud-fan commented on a change in pull request #31754:
URL: https://github.com/apache/spark/pull/31754#discussion_r597181927
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala
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@@ -159,10 +158,7 @@ case class UnresolvedAttribute(nameParts: Seq[String])
extends Attribute with Un
override def toString: String = s"'$name"
- override def sql: String = name match {
- case ParserUtils.escapedIdentifier(_) |
ParserUtils.qualifiedEscapedIdentifier(_, _) => name
Review comment:
Can we restore this line? It seems to be there for a reason.
One example I found is ```UnresolvedAttribute("`a.b`").sql``` returns
```"`a.b`"``` before, but changes after this change.
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