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GH-51127: [C++] Fix is_null nan_is_null for dictionary-encoded float arrays - #51000

Merged

pitrou merged 4 commits into

apache:mainfrom

shoemoney:fix/arrow-isnull-dict

Sep 28, 2026

Merged

GH-51127: [C++] Fix is_null nan_is_null for dictionary-encoded float arrays#51000
pitrou merged 4 commits into
apache:mainfrom
shoemoney:fix/arrow-isnull-dict

Commits on Sep 25, 2026
- GH-51127: [C++] Fix is_null nan_is_null for dictionary-encoded float arrays
  shoemoney
  committed
  59ca9af
- GH-51127: [C++] Check dictionary indices before validity lookup
  shoemoney
  committed
  61bef91
Commits on Sep 28, 2026
- GH-51127: [C++] Simplify dictionary NaN null checks
  shoemoney
  committed
  ca96314
- GH-51127: Combine dictionary null bits in one bitmap pass
  shoemoney
  committed
  a78401d