[GitHub] [spark] huaxingao opened a new pull request #26350: [SPARK-29676][SQL] ALTER TABLE (RENAME PARTITION) should look up catalog/table like v2 commands

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huaxingao opened a new pull request #26350: [SPARK-29676][SQL] ALTER TABLE (RENAME PARTITION) should look up catalog/table like v2 commands
URL: https://github.com/apache/spark/pull/26350
 
 
   ### What changes were proposed in this pull request?
   Add AlterTableRenamePartitionStatement and make ALTER TABLE ... RENAME TO PARTITION go through the same catalog/table resolution framework of v2 commands.
   
   
   ### Why are the changes needed?
   It's important to make all the commands have the same table resolution behavior, to avoid confusing end-users. e.g.
   ```
   USE my_catalog
   DESC t // success and describe the table t from my_catalog
   ALTER TABLE t PARTITION (id=1) RENAME TO PARTITION (id=2) // report table not found as there is no table t in the session catalog
   ```
   
   ### Does this PR introduce any user-facing change?
   Yes. When running ALTER TABLE ... RENAME TO PARTITION, Spark fails the command if the current catalog is set to a v2 catalog, or the table name specified a v2 catalog.
   
   
   ### How was this patch tested?
   Unit tests.
   

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