code: def select(self, table, args='*', condition=None, control=None):
          
          sql = 'select {} from {}'.format(args, table)
          sql += self.parse_condition(condition) + (' {};'.format(control) if control else ';')
          return super(PGWrapper, self).execute(sql, result=True).results
docs: .. :py:method:: select
  
              General select form of select
  
          Usage::
  
              >>> select('hospital', 'id, city', control='limit 1')
              select id, city from hospital limit 1;
  
  
              >>> select('hospital', 'id', 'address is null')
              select id from hospital where address is null;