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### What changes were proposed in this pull request? Add ShowTableStatement and make SHOW TABLE EXTENDED go through the same catalog/table resolution framework of v2 commands. We don’t have this methods in the catalog to implement an V2 command - catalog.getPartition - catalog.getTempViewOrPermanentTableMetadata ### Why are the changes needed? It's important to make all the commands have the same table resolution behavior, to avoid confusing ```sql USE my_catalog DESC t // success and describe the table t from my_catalog SHOW TABLE EXTENDED FROM LIKE 't' // 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 SHOW TABLE EXTENDED 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. Closes #26540 from planga82/feature/SPARK-29481_ShowTableExtended. Authored-by: Pablo Langa <soypab@gmail.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com> |
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