get(
"SELECT f.*, b.name AS building_name, COUNT(r.id) AS room_count, COUNT(rk.id) AS rack_count
FROM floors f
LEFT JOIN buildings b ON f.building_id = b.id
LEFT JOIN rooms r ON r.floor_id = f.id
LEFT JOIN racks rk ON rk.floor_id = f.id
$whereClause
GROUP BY f.id
ORDER BY b.name, f.level",
$types,
$params
);
// =========================
// Filter-Daten
// =========================
$buildings = $sql->get("SELECT id, name FROM buildings ORDER BY name", "", []);
?>