private function get_ORM_order_by(reDBTable $table)
{
$table_name = $table->getName();
if (isset($this->table_hints[$table_name]['order_by'])) {
return $this->table_hints[$table_name]['order_by'];
}
$table_pk_column_names = null;
if ($table->isView()) {
$pk = isset($this->table_hints[$table_name]['pseudo_view_pk']) ? $this->table_hints[$table_name]['pseudo_view_pk'] : null;
if ($pk !== null) {
$table_pk_column_names = is_array($pk) ? $pk : [$pk];
}
} else {
if (($pk = $table->getPrimaryKey()) !== null) {
$table_pk_column_names = $pk->getColumnNames();
}
}
if ($table_pk_column_names !== null) {
$escaped_pk_column_names = [];
foreach ($table_pk_column_names as $pk_column_name) {
$pk_column = $table->getColumn($pk_column_name);
$escaped_pk_column_names[] = $pk_column->getEscapedName();
}
return implode(',', $escaped_pk_column_names);
}
return null;
}
public function initialize(array $columns, $primary_key = null, $foreign_keys = null)
{
// TODO: add table-usage information
parent::initialize($columns, $primary_key, $foreign_keys);
}