Copilot commented on code in PR #51286:
URL: https://github.com/apache/arrow/pull/51286#discussion_r4410975207
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cpp/src/arrow/csv/options.h:
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@@ -65,6 +65,8 @@ struct ARROW_EXPORT ParseOptions {
bool pad_short_rows = false;
/// Whether rows with more columns than expected should ignore the extra
columns.
bool ignore_extra_columns = false;
+ /// Multi-character field delimiter. If non-empty, overrides `delimiter`.
+ std::string delimiter_string;
Review Comment:
`ParseOptions` is an `ARROW_EXPORT` public C++ struct, so adding an inline
`std::string` member changes its size/layout and the generated copy/ABI used by
downstream binaries. This is a binary-breaking API change, but the PR
description does not call it out; please either use an ABI-safe extension
mechanism or explicitly account for the required compatibility/versioning
change.
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