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perf: opt substr into make_scalar_function dict fast path - #25874

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Rich-T-kid wants to merge 7 commits into

apache:mainfrom

Rich-T-kid:rich-T-kid/substr-dict-encoding-preservation

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perf: opt substr into make_scalar_function dict fast path#25874
Rich-T-kid wants to merge 7 commits into
apache:mainfrom
Rich-T-kid:rich-T-kid/substr-dict-encoding-preservation

Commits on Oct 9, 2026
- perf: preserve dictionary encoding in substr
  Rich-T-kid
  committed
  c11a73c
Commits on Oct 12, 2026
- Merge branch 'main' into rich-T-kid/substr-dict-encoding-preservation
  Rich-T-kid
  authored
  601afda
Commits on Oct 21, 2026
- fix: stabilize substr dictionary return type
  Rich-T-kid
  committed
  6262d66
- fix: preserve substr dictionaries without casts
  Rich-T-kid
  committed
  3a90a9f
Commits on Oct 23, 2026
- fix: decode narrow dictionaries in substr
  Rich-T-kid
  committed
  7b8a1aa
- perf: avoid hashing row-wise substr arguments
  Rich-T-kid
  committed
  fbe0593
Commits on Oct 24, 2026
- perf: limit substr dictionary fast path
  Rich-T-kid
  committed
  c5ca332