Function apply_offset

nodedb/src/control/promql/parser.rs:415–424

(expr: Expr, offset: Duration)

}

fn apply_offset(expr: Expr, offset: Duration) -> Expr {
    match expr {
        Expr::VectorSelector { name, matchers, .. } => Expr::VectorSelector {
            name,
            matchers,
            offset: Some(offset),
        },
        other => other,
    }
}

fn parse_agg_op(name: &str) -> Option<AggOp> {
    match name.to_ascii_lowercase().as_str() {