Function parse_csv_static

perro_source/core/perro_csv/src/lib.rs:973–1009

(bytes: &[u8])

enum CandidateSeed<'a> {
    One(u64),
    Many(&'a [u64]),
}

fn compare_bool(equal: bool, op: CsvCompare) -> bool {
    match op {
        CsvCompare::Eq => equal,
        CsvCompare::Ne => !equal,
        _ => false,
    }
}

fn compare_ord(ord: std::cmp::Ordering, op: CsvCompare) -> bool {
    match op {
        CsvCompare::Eq => ord == std::cmp::Ordering::Equal,
        CsvCompare::Ne => ord != std::cmp::Ordering::Equal,
        CsvCompare::Lt => ord == std::cmp::Ordering::Less,
        CsvCompare::Le => ord != std::cmp::Ordering::Greater,
        CsvCompare::Gt => ord == std::cmp::Ordering::Greater,
        CsvCompare::Ge => ord != std::cmp::Ordering::Less,
    }
}

#[derive(Clone, Debug)]
pub struct CSVQueryResult {
    table: &'static Csv,
    rows: Vec<usize>,
    /// `None` = all columns (identity), avoids materializing `0..col_count`.
    select_cols: Option<Vec<usize>>,
}

impl CSVQueryResult {
    #[inline]
    pub fn len(&self) -> usize {
        self.rows.len()
    }

    #[inline]
    pub fn is_empty(&self) -> bool {
        self.rows.is_empty()
    }