edgarRd commented on issue #25206: [SPARK-28265][SQL] Add renameTable to TableCatalog API URL: https://github.com/apache/spark/pull/25206#issuecomment-516631551 Just to be clear here, @cloud-fan, as mentioned before something like: ```sql ALTER TABLE cat.db.table RENAME TO db.table2 ``` Would still fail, since the catalog is not the same and I don't think we should imply it; this can be in the SQL operation implementation. However, to @rdblue's point if the catalog support renames across DBs I don't see why Spark should block it either, other than existing behavior which I don't think this change would affect either if the catalog does not support such operation.
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