[SPARK-58767][SQL]. Fixing the canonicalization of TableCacheQueryStageExec,… - #58003
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ahshahid wants to merge 2 commits into
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[SPARK-58767][SQL]. Fixing the canonicalization of TableCacheQueryStageExec,…#58003ahshahid wants to merge 2 commits into
ahshahid wants to merge 2 commits into
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… which otherwise prevents re-use of exchange for in memory cached plans
ahshahid
changed the title
ahshahid
marked this pull request as draft
August 14, 2026 23:33
ahshahid
marked this pull request as ready for review
August 15, 2026 00:41
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… which otherwise prevents re-use of exchange for in memory cached plans
What changes were proposed in this pull request?
The canonicalization of TableCacheQueryStageExec uses the default, instead of the original InMemoryTableScanExec, as result two TableCacheQueryStageExec which hold canonically same InMemoryTableScanExec , do not match
Why are the changes needed?
Affects performance as it prevents re-use of exchange.
Does this PR introduce any user-facing change?
No
How was this patch tested?
added bug test. will add some more tests.
Was this patch authored or co-authored using generative AI tooling?
No