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[C++] HasVariadicBuffers should respect extension types #54924
Description
Describe the bug, including details regarding any error messages, version, and platform.
The current implementation of bool ArraySpan::HasVariadicBuffers does not handle extension types properly and always reports false.
::SetMembers however does handle these explicitly and we should handle extension types in the HasVariadicBuffers implementation similarly:
Type::type type_id = this->type->id();
if (type_id == Type::EXTENSION) {
auto* ext_type = checked_cast<const ExtensionType*>(this->type);
type_id = ext_type->storage_type()->id();
}
Component(s)
C++
Activity
[-]`HasVariadicBuffers` should respect extension types[/-][+][C++] `HasVariadicBuffers` should respect extension types[/+]pitrou commentedon Oct 26, 2026
Issue resolved by pull request 54925
#54925
apacheGH-54924: [C++] HasVariadicBuffers should respect extension typ…