Function all_in

prqlc/prqlc/src/sql/pq/preprocess.rs:495–498

Returns true if all cids are in exprs

(cids: &[CId], exprs: Vec<&Expr>)

/// Returns true if all cids are in exprs
fn all_in(cids: &[CId], exprs: Vec<&Expr>) -> bool {
    let exprs = col_refs(exprs);
    cids.iter().all(|c| exprs.contains(c))
}

fn all_null(exprs: Vec<&Expr>) -> bool {
    exprs