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### What changes were proposed in this pull request? This PR proposes to support `CHACHE/UNCACHE TABLE` commands for v2 tables. In addtion, this PR proposes to migrate `CACHE/UNCACHE TABLE` to use `UnresolvedTableOrView` to resolve the table identifier. This allows consistent resolution rules (temp view first, etc.) to be applied for both v1/v2 commands. More info about the consistent resolution rule proposal can be found in [JIRA](https://issues.apache.org/jira/browse/SPARK-29900) or [proposal doc](https://docs.google.com/document/d/1hvLjGA8y_W_hhilpngXVub1Ebv8RsMap986nENCFnrg/edit?usp=sharing). ### Why are the changes needed? To support `CACHE/UNCACHE TABLE` commands for v2 tables. Note that `CACHE/UNCACHE TABLE` for v1 tables/views go through `SparkSession.table` to resolve identifier, which resolves temp views first, so there is no change in the behavior by moving to the new framework. ### Does this PR introduce _any_ user-facing change? Yes. Now the user can run `CACHE/UNCACHE TABLE` commands on v2 tables. ### How was this patch tested? Added/updated existing tests. Closes #30403 from imback82/cache_table. Authored-by: Terry Kim <yuminkim@gmail.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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