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Reuse dictionary hashes in repartition and aggregation - #27032

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apache:mainfrom

Rich-T-kid:rich-t-kid/dictionary-hash-reuse-operators

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Reuse dictionary hashes in repartition and aggregation#27032
Rich-T-kid wants to merge 5 commits into
apache:mainfrom
Rich-T-kid:rich-t-kid/dictionary-hash-reuse-operators

Commits on Nov 3, 2026
- refactor: add reusable caching array hasher
  Rich-T-kid
  committed
  a1a3d5f
- perf: reuse dictionary hashes in repartition
  Rich-T-kid
  committed
  e44de99
- perf: reuse dictionary hashes in aggregation
  Rich-T-kid
  committed
  4849641
- perf(aggregate): reuse dictionary group mappings
  Rich-T-kid
  committed
  a785df1
- perf(aggregate): limit dictionary cache plumbing
  Rich-T-kid
  committed
  f021807