Function extract_qualified_column

nodedb-sql/src/planner/cte.rs:471–478

(expr: &ast::Expr)

}

fn extract_qualified_column(expr: &ast::Expr) -> Option<(String, String)> {
    match expr {
        ast::Expr::CompoundIdentifier(parts) if parts.len() == 2 => {
            Some((normalize_ident(&parts[0]), normalize_ident(&parts[1])))
        }
        _ => None,
    }
}

fn extract_table_name(relation: &ast::TableFactor) -> Option<String> {
    match relation {