Method has_header

datafusion/datasource-csv/src/source.rs:115–117

true if the first line of each file is a header

(&self)

    /// true if the first line of each file is a header
    pub fn has_header(&self) -> bool {
        self.options.has_header.unwrap_or(true)
    }

    // true if rows length support truncate
    pub fn truncate_rows(&self) -> bool {