Method build_decoder

arrow-csv/src/reader/mod.rs:1246–1271

Builds a decoder that can be used to decode CSV from an arbitrary byte stream

(self)

    /// Builds a decoder that can be used to decode CSV from an arbitrary byte stream
    pub fn build_decoder(self) -> Decoder {
        let delimiter = self.format.build_parser();
        let record_decoder = RecordDecoder::new(
            delimiter,
            self.schema.fields().len(),
            self.format.truncated_rows,
        );

        let header = self.format.header as usize;

        let (start, end) = match self.bounds {
            Some((start, end)) => (start + header, end + header),
            None => (header, usize::MAX),
        };

        Decoder {
            schema: self.schema,
            to_skip: start,
            record_decoder,
            line_number: start,
            end,
            projection: self.projection,
            batch_size: self.batch_size,
            null_regex: self.format.null_regex,
        }
    }
}

#[cfg(test)]