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fix: all-null chunks for every column type - #595

Merged

dfa1 merged 4 commits into

mainfrom

test/all-null-every-type

Oct 23, 2026

Merged

fix: all-null chunks for every column type#595
dfa1 merged 4 commits into
mainfrom
test/all-null-every-type

Commits on Oct 23, 2026
- fix(reader): every all-null type reads null, and filters see a NullArray as null
  
  dfa1
  and
  claude
  committed
  78a3e96
- fix(writer): write an all-null extension chunk as a bare null constant
  
  dfa1
  and
  claude
  committed
  a5c4646
- test(writer): every column type all-null, through the encoder and a full round trip
  
  dfa1
  and
  claude
  committed
  6e3aa33
- refactor: one decimal value width rule, DType.Decimal#byteWidth
  
  dfa1
  and
  claude
  committed
  fe7551a