я предположил, потому что в админке нет lcase
кроме того там еще интересная фишка
if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
if ($data['sort'] == 'pd.name' || $data['sort'] == 'p.model') {
$sql .= " ORDER BY LCASE(" . $data['sort'] . ")";
} elseif ($data['sort'] == 'p.price') {
$sql .= " ORDER BY (CASE WHEN special IS NOT NULL THEN special WHEN discount IS NOT NULL THEN discount ELSE p.price END)";
} else {
$sql .= " ORDER BY " . $data['sort'];
}
} else {
$sql .= " ORDER BY p.sort_order";
}
if (isset($data['order']) && ($data['order'] == 'DESC')) {
$sql .= " DESC, LCASE(pd.name) DESC";
} else {
$sql .= " ASC, LCASE(pd.name) ASC";
Т.е. получается что
ORDER BY LCASE (pd.name) DESC, LCASE (pd.name) DESC
или
ORDER BY LCASE (pd.name) ASC, LCASE (pd.name) ASC
поэтому нужно отсечь
if ($data['sort'] == 'pd.name' ) {
if (isset($data['order']) && ($data['order'] == 'DESC') {
$sql .= " DESC";
} else {
$sql .= " ASC";
}
} else {
if (isset($data['order']) && ($data['order'] == 'DESC')) {
$sql .= " DESC, LCASE(pd.name) DESC";
} else {
$sql .= " ASC, LCASE(pd.name) ASC";
}
}