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### What changes were proposed in this pull request? This PR fixes an incompatible behavior introduced by #31754. The problem is that quoted name parts represented as a string are given to the constructor of `UnresolvedAttribute` which takes single string parameter, `sql` method invocation against the `UnresolvedAttrribute` returns different result than before. One example is ``` UnresolvedAttribute("`a.b`").sql ```. This returned `a.b` before but it doesn't now. See [this duscussion](https://github.com/apache/spark/pull/31754/files#r597181927) for more details. ### Why are the changes needed? For compatibility. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? New assertion. Closes #31885 from sarutak/followup-SPARK-34636. Authored-by: Kousuke Saruta <sarutak@oss.nttdata.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com> |
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