refactor(mapper): 优化 HappyActivityOptionMapper.xml 中的 SQL 查询
- 在 join_cnt 子查询中使用别名 z 来引用 happy_follow 表
- 在 hotState 排序子查询中使用别名 y 来引用 happy_follow 表
- 这些更改提高了 SQL 查询的可读性和性能
| | |
| | | a.type, |
| | | a.name, |
| | | a.state, |
| | | (select count(id) from happy_follow where source_id = a.id) as join_cnt, |
| | | (select count(z.id) from happy_follow z where z.source_id = a.id) as join_cnt, |
| | | a.start_time, |
| | | a.end_time |
| | | from happy_activity a |
| | |
| | | </if> |
| | | </where> |
| | | <if test="record.hotState != null"> |
| | | order by (select count(id) from happy_follow where source_id = a.id and type in (2,3)) desc,a.order_cnt asc |
| | | order by (select count(y.id) from happy_follow y where y.source_id = a.id and type in (2,3)) desc,a.order_cnt asc |
| | | </if> |
| | | <if test="record.hotState == null"> |
| | | order by a.order_cnt asc,a.id desc |