imback82 opened a new pull request #34686:
URL: https://github.com/apache/spark/pull/34686
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### What changes were proposed in this pull request?
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Currently, there is an inconsistency when handling an empty location for
`ALTER NAMESPACE .. SET LOCATION` between v1 and v2 command. In v1 command, an
empty string location will result in the `IllegalArgumentException` exception
thrown whereas v2 uses the empty string as it is.
This PR proposes to make the behavior consistent by following the v1 command
behavior.
### Why are the changes needed?
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To make the behavior consistent and the reason for following v1 behavior is
that "Spark should be responsible to qualify the user-specified path using its
spark/hadoop configs, before passing the path to v2 sources":
https://github.com/apache/spark/pull/34610#discussion_r754028045
### Does this PR introduce _any_ user-facing change?
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Yes, now the empty string location will result in the
`IllegalArgumentException` exception thrown even for v2 catalogs.
### How was this patch tested?
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Added a new test
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