Number of currently open connections to the database.

        (Stored in table sqlarray_master.)

def connection_count(self):
        """Number of currently open connections to the database.

        (Stored in table sqlarray_master.)
        """
        return self.sql("SELECT value FROM %(master)s WHERE name = 'connection_counter'" % vars(self),
                        cache=False, asrecarray=False)[0][0]