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fix(cse): share equal nodes that return the same rows for the same input, not only keyed ones - #1032

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zzylol merged 6 commits into

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fix/memo-share-deterministic-groups

Oct 29, 2026

Merged

fix(cse): share equal nodes that return the same rows for the same input, not only keyed ones#1032
zzylol merged 6 commits into
mainfrom
fix/memo-share-deterministic-groups

Commits on Oct 29, 2026
- test(memo): equal keyless deterministic results should share one group
  
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- fix(memo): share equal nodes that return the same rows for the same input
  
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  7609056
- docs: CSE legality by same rows, not unique key, in the IR docs and memo example
  
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- review: Limit over Sort needs matching partitions; stale unique-key comments; pins assert the shared group
  
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- refactor(cse): name the sharing rule is_shareable_when_equal and list every operator
  
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- test(devtools): keyless ratio-of-quantiles memo has 25 choices; only the exact DAG is valid
  
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