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## What changes were proposed in this pull request? It's pretty useful if we can convert a physical plan back to a logical plan, e.g., in https://github.com/apache/spark/pull/24389 This PR introduces a new feature to `TreeNode`, which allows `TreeNode` to carry some extra information via a mutable map, and keep the information when it's copied. The planner leverages this feature to put the logical plan into the physical plan. ## How was this patch tested? a test suite that runs all TPCDS queries and checks that some common physical plans contain the corresponding logical plans. Closes #24626 from cloud-fan/link. Lead-authored-by: Wenchen Fan <wenchen@databricks.com> Co-authored-by: Peng Bo <bo.peng1019@gmail.com> Signed-off-by: gatorsmile <gatorsmile@gmail.com> |
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