HuaHuaY commented on code in PR #47524:
URL: https://github.com/apache/arrow/pull/47524#discussion_r2349180720
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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:
You can see the comments above
https://github.com/apache/arrow/pull/47524#discussion_r2332462200. Due to the
misunderstanding usage of `QuotingStyle::Needed` in csv data,
`QuotingStyle::Needed` doesn't means that quoting is only applied when needed,
but means that quote when data type is binary and not to quote when data type
is integer, decimal or some other types.
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