rdblue commented on a change in pull request #26214: [SPARK-29558][SQL]
ResolveTables and ResolveRelations should be order-insensitive
URL: https://github.com/apache/spark/pull/26214#discussion_r346067453
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
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@@ -764,6 +764,25 @@ class SessionCatalog(
}
}
+ def lookupTempView(table: String): Option[SubqueryAlias] = {
+ val formattedTable = formatTableName(table)
+ getTempView(formattedTable).map { view =>
+ SubqueryAlias(formattedTable, view)
+ }
+ }
+
+ def lookupGlobalTempView(db: String, table: String): Option[SubqueryAlias] =
{
Review comment:
I think this is safe and I do prefer these methods to a combined
`resolveRelation`, but I'm curious why you decided not to use the existing
method?
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