mgaido91 commented on a change in pull request #25206: [SPARK-28265][SQL] Add
renameTable to TableCatalog API
URL: https://github.com/apache/spark/pull/25206#discussion_r305574692
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/V2SessionCatalog.scala
##########
@@ -153,6 +152,18 @@ class V2SessionCatalog(sessionState: SessionState)
extends TableCatalog {
}
}
+ override def renameTable(oldIdent: Identifier, newIdent: Identifier): Unit =
{
+ if (loadTable(newIdent) != null) {
+ throw new TableAlreadyExistsException(newIdent)
+ }
+
+ if (loadTable(oldIdent) != null) {
Review comment:
why aren't you using the same pattern of other cases, ie `Optional ...
match`?
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