pitrou commented on code in PR #47524:
URL: https://github.com/apache/arrow/pull/47524#discussion_r2348951339
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cpp/src/arrow/csv/writer.cc:
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@@ -578,26 +588,59 @@ class CSVWriterImpl : public ipc::RecordBatchWriter {
return Status::OK();
}
- int64_t CalculateHeaderSize() const {
+ int64_t CalculateHeaderSize(QuotingStyle quoting_style) const {
int64_t header_length = 0;
for (int col = 0; col < schema_->num_fields(); col++) {
const std::string& col_name = schema_->field(col)->name();
header_length += col_name.size();
- header_length += CountQuotes(col_name);
+ switch (quoting_style) {
+ case QuotingStyle::None:
+ break;
+ case QuotingStyle::Needed:
+ case QuotingStyle::AllValid:
+ header_length += CountQuotes(col_name);
Review Comment:
`QuotingStyle::Needed` implies that quoting is only applied when needed, so
it can't be always the same result as `QuotingStyle::AllValid` (which will
always quote all header names).
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