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### What changes were proposed in this pull request? This PR adds a new batch to the optimizer for executing rules that rewrite plans for data sources. ### Why are the changes needed? Right now, we have a special place in the optimizer where we construct v2 scans. As time shows, we need more rewrite rules that would be executed after the operator optimization and before any stats-related rules for v2 tables. Not all rules will be specific to reads. One option is to rename the current batch into something more generic but it would require changing quite some places. That's why it seems better to introduce a new batch and use it for all rewrites. The name is generic so that we don't limit ourselves to v2 data sources only. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? The change is trivial and SPARK-23889 will depend on it. Closes #30558 from aokolnychyi/spark-33612. Authored-by: Anton Okolnychyi <aokolnychyi@apple.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> |
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