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[C++] Allow CSV reader to pad rows with missing trailing fields #50925

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[C++] Allow CSV reader to pad rows with missing trailing fields#50925
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HuaHuaY
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Component: C++Type: enhancement
Milestone
26.0.0

Description

@HuaHuaY
HuaHuaY
opened on Aug 20, 2026

Describe the enhancement requested

Currently, the C++ CSV reader rejects rows with fewer fields than expected.

I think we can allow users to pad rows with null values instead of throwing exception.

Component(s)

C++

Activity

  1. HuaHuaY
    self-assigned this
    on Aug 20, 2026
  2. HuaHuaY
    added
    Type: enhancement
    on Aug 20, 2026
  3. github-actions
    added
    Component: C++
    on Aug 20, 2026
  4. HuaHuaY
    added a parent issue on Aug 24, 2026
  5. HuaHuaY
    added a commit that references this issue on Sep 1, 2026

    GH-50925: [C++] Allow CSV reader to pad rows with missing trailing fi…

    ff30c72
  6. HuaHuaY
    added this to the 26.0.0 milestone on Sep 1, 2026

  7. HuaHuaY commented on Sep 1, 2026

    @HuaHuaY
    HuaHuaY
    on Sep 1, 2026
    ContributorAuthor

    Issue resolved by pull request 50926
    #50926

  8. HuaHuaY
    closed this as completedon Sep 1, 2026
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