maropu commented on issue #25434: [SPARK-28716][SQL] Add id to Exchange and Subquery's stringArgs method for easier identifying their reuses in query plans URL: https://github.com/apache/spark/pull/25434#issuecomment-521482865 Can you put explain output differences with/without this pr in the PR description? Also, It'd be better to put the simple query to reproduce the case.
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