Function expr_contains_subquery_ref

nodedb-sql/src/planner/cte.rs:330–343

(expr: &ast::Expr, cte_name: &str)

}

fn expr_contains_subquery_ref(expr: &ast::Expr, cte_name: &str) -> bool {
    match expr {
        ast::Expr::InSubquery { subquery, .. } | ast::Expr::Exists { subquery, .. } => {
            query_references_cte(subquery, cte_name)
        }
        ast::Expr::Subquery(q) => query_references_cte(q, cte_name),
        ast::Expr::BinaryOp { left, right, .. } => {
            expr_contains_subquery_ref(left, cte_name)
                || expr_contains_subquery_ref(right, cte_name)
        }
        ast::Expr::Nested(inner) => expr_contains_subquery_ref(inner, cte_name),
        _ => false,
    }
}

fn query_references_cte(query: &Query, cte_name: &str) -> bool {
    match &*query.body {