Function extract_f64_val

nodedb-query/src/msgpack_scan/aggregate.rs:251–257

(doc: &[u8], field: &str, expr: Option<&crate::expr::SqlExpr>)

/// Extract a numeric value from a field or expression result.
#[inline]
fn extract_f64_val(doc: &[u8], field: &str, expr: Option<&crate::expr::SqlExpr>) -> Option<f64> {
    if let Some(expr) = expr {
        return value_ops::value_to_f64(&eval_expr_on_doc(doc, expr)?, false);
    }
    let (start, _end) = extract_field(doc, 0, field)?;
    read_f64(doc, start)
}

/// Extract a string from a field or expression result.
fn extract_str_val(doc: &[u8], field: &str, expr: Option<&crate::expr::SqlExpr>) -> Option<String> {