(self)
return -1
By default, return -1 to indicate that this is not supported.
By default, return -1 to indicate that this is not supported.
By default return - 1 to indicate that this is not supported .
def rowcount(self) -> int:
        """By default, return -1 to indicate that this is not supported."""
        return -1
def rowcount ( self ) -> int : return - 1