117a6f135b
### What changes were proposed in this pull request? This is a followup of https://github.com/apache/spark/pull/29485 It moves the plan rewriting methods from `Analyzer` to `QueryPlan`, so that it can work with `SparkPlan` as well. This PR also does an improvement to support a corner case (The attribute to be replace stays together with an unresolved attribute), and make it more general, so that `WidenSetOperationTypes` can rewrite the plan in one shot like before. ### Why are the changes needed? Code cleanup and generalize. ### Does this PR introduce _any_ user-facing change? no ### How was this patch tested? existing test Closes #29643 from cloud-fan/cleanup. Authored-by: Wenchen Fan <wenchen@databricks.com> Signed-off-by: Takeshi Yamamuro <yamamuro@apache.org> |
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