apache / apache/arrow-julia

`fromarrow` dispatch for `::Type{Union{Missing, T}}` is broken when `T` is parametric

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Dominant language
Julia
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Forks
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Description

xref: https://github.com/JuliaCloud/AWSS3.jl/issues/263

The fix seems to be change `::Type{Union{Missing, T}}` to `::Type{<:Union{Missing, T}}`.

Contributor guide

No contributing guide indexed for this repository

Research direction

Locate the fromarrow dispatch methods in the repository and inspect the Union{Missing, T} signature, using the linked AWSS3.jl issue for context. Confirm that dispatch works when T is parametric and verify the regression with the relevant existing test coverage, if available.

Written by the indexing model from the issue text.

Assessment

Tech stack
julia
Domain
data
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
48/100

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