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fix: do not drop GROUP BY keys using nullable UNIQUE constraints - #26220

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buraksenn wants to merge 3 commits into

apache:mainfrom

buraksenn:fix-nullable-unique-group-by

Open

fix: do not drop GROUP BY keys using nullable UNIQUE constraints#26220
buraksenn wants to merge 3 commits into
apache:mainfrom
buraksenn:fix-nullable-unique-group-by

Commits on Oct 12, 2026
- fix: do not drop GROUP BY keys determined only by a nullable UNIQUE column
  buraksenn
  committed
  286c264
- fix: preserve DISTINCT for nullable UNIQUE keys
  buraksenn
  committed
  dbeddb3
Commits on Oct 20, 2026
- Merge main to resolve functional dependency conflicts
  buraksenn
  committed
  ad3dc85