fn from()

in datafusion/proto/src/logical_plan/file_formats.rs [83:161]
79 lines of code
14 McCabe index (conditional complexity)

    fn from(proto: &CsvOptionsProto) -> Self {
        CsvOptions {
            has_header: if !proto.has_header.is_empty() {
                Some(proto.has_header[0] != 0)
            } else {
                None
            },
            delimiter: proto.delimiter.first().copied().unwrap_or(b','),
            quote: proto.quote.first().copied().unwrap_or(b'"'),
            terminator: if !proto.terminator.is_empty() {
                Some(proto.terminator[0])
            } else {
                None
            },
            escape: if !proto.escape.is_empty() {
                Some(proto.escape[0])
            } else {
                None
            },
            double_quote: if !proto.double_quote.is_empty() {
                Some(proto.double_quote[0] != 0)
            } else {
                None
            },
            compression: match proto.compression {
                0 => CompressionTypeVariant::GZIP,
                1 => CompressionTypeVariant::BZIP2,
                2 => CompressionTypeVariant::XZ,
                3 => CompressionTypeVariant::ZSTD,
                _ => CompressionTypeVariant::UNCOMPRESSED,
            },
            schema_infer_max_rec: proto.schema_infer_max_rec.map(|v| v as usize),
            date_format: if proto.date_format.is_empty() {
                None
            } else {
                Some(proto.date_format.clone())
            },
            datetime_format: if proto.datetime_format.is_empty() {
                None
            } else {
                Some(proto.datetime_format.clone())
            },
            timestamp_format: if proto.timestamp_format.is_empty() {
                None
            } else {
                Some(proto.timestamp_format.clone())
            },
            timestamp_tz_format: if proto.timestamp_tz_format.is_empty() {
                None
            } else {
                Some(proto.timestamp_tz_format.clone())
            },
            time_format: if proto.time_format.is_empty() {
                None
            } else {
                Some(proto.time_format.clone())
            },
            null_value: if proto.null_value.is_empty() {
                None
            } else {
                Some(proto.null_value.clone())
            },
            null_regex: if proto.null_regex.is_empty() {
                None
            } else {
                Some(proto.null_regex.clone())
            },
            comment: if !proto.comment.is_empty() {
                Some(proto.comment[0])
            } else {
                None
            },
            newlines_in_values: if proto.newlines_in_values.is_empty() {
                None
            } else {
                Some(proto.newlines_in_values[0] != 0)
            },
        }
    }