Prepping everything for a PHP 8 release

src/Adapter/DefaultAdapterTrait.php

@@ -90,6 +90,6 @@ trait DefaultAdapterTrait
                 break;
         }
 
-        return $typeOnly ? $type : $type . ( $length ? "($length" . ( $precision ? ",$precision" : "" ) . ")" : "" );
+        return $typeOnly ? $type : $type . ( isset($length) ? "($length" . ( ! empty($precision) ? ",$precision" : "" ) . ")" : "" );
     }
 }