code: def all_examples(self, pred_name=None):
          '''
          Emits all examples in prolog form for RSD.
  
              :param pred_name: override for the emitted predicate name
          '''
          target = self.db.target_table
          pred_name = pred_name if pred_name else target
          examples = self.db.rows(target, [self.db.target_att, self.db.pkeys[target]])
          return '\n'.join(["%s(%s, %s)." % (pred_name, ILPConverter.fmt_col(cls), pk) for cls, pk in examples]f all_examples(self, pred_name=None):
          '''
          Emits all examples in prolog form for RSD.
  
              :param pred_name: override for the emitted predicate name
          '''
          target = self.db.target_table
          pred_name = pred_name if pred_name else target
          examples = self.db.rows(target, [self.db.target_att, self.db.pkeys[target]])
          return '\n'.join(["%s(%s, %s)." % (pred_name, ILPConverter.fmt_col(cls), pk) for cls, pk in examples])
docs: Emits all examples in prolog form for RSD.
  
              :param pred_name: override for the emitted predicate name