HuaHuaY commented on code in PR #47524:
URL: https://github.com/apache/arrow/pull/47524#discussion_r2343308779
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cpp/src/arrow/csv/options.h:
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@@ -188,6 +188,12 @@ struct ARROW_EXPORT WriteOptions {
/// Whether to write an initial header line with column names
bool include_header = true;
+ /// \brief Quoting style of header
+ ///
+ /// If `quoting_header` is `QuotingStyle::None`, then only write quotes when
a column
+ /// name contains structural characters. Otherwise, always quote column
names.
+ QuotingStyle quoting_header = QuotingStyle::AllValid;
Review Comment:
To maintain backward compatibility, I have push a new commit to keep the
behavior of header consistent with binary data.
Now, for csv header, `None` will return an error when having structural
charaters. `Needed` and `AllValid` will always write quotes.
There is no such an option which only writes quotes when having structural
charaters (called `Minimal` in the above). We can add the option in the future
if someone needs.
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