[Ruby] Casting to string_view aborts the process

Describe the bug, including details regarding any error messages, version, and platform.

Casting an array to string_view aborts the process. The error cannot be rescued.

require "arrow"

Arrow::StringArray.new(["a", "b", "c"]).cast(Arrow::StringViewDataType.new)
# GLib-GObject-ERROR **: cannot create instance of abstract (non-instantiatable) type 'GArrowArray'
# (process exits with status 133)

Casting to binary_view works:

Arrow::BinaryArray.new(["a", "b", "c"]).cast(Arrow::BinaryViewDataType.new).class
# => Arrow::BinaryViewArray

garrow_array_new_raw_valist() in c_glib/arrow-glib/basic-array.cpp seems to have a case for BINARY_VIEW but not for STRING_VIEW.

Environment: red-arrow 25.0.1, apache-arrow-glib 25.0.1 (Homebrew), Ruby 3.4.1, macOS 15 (arm64)

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Ruby

Thanks for your report. Could you try #54572?

I tried apache/arrow#54572 on top of 25.0.1, and it fixes the problem:

irb> Arrow::StringArray.new(["a", "b", "c"]).cast(Arrow::StringViewDataType.new)
=>
#<Arrow::StringViewArray:0x0000000107c061f8 ptr=0x0000600002981360 [
  "a",
  "b",
  "c"
]>

Thanks!

GH-54571: [GLib] Add support for returning string view array from C++ (…

Issue resolved by pull request 54572
#54572

Thanks. Merged.

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[Ruby] Casting to string_view aborts the process #54571

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[Ruby] Casting to string_view aborts the process #54571

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kou commented on Oct 19, 2026

himotoyoshi commented on Oct 19, 2026

kou commented on Oct 19, 2026

kou commented on Oct 19, 2026

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