Best practice: If you want to reduce the execution time, then do not define joins in a rule that filters out the number of records being evaluated by the rule.
最佳实践：如果想要减少执行时间，那么不要在可能过滤掉大量所评估记录的规则中定义连接。
youdao
应用推荐
模块上移
模块下移
不移动