Mybatis choose when用法實例代碼
更新時間:2017年06月23日 11:46:49 作者:shannon8
本文通過實例代碼給大家介紹了Mybatis choose when用法,需要的的朋友參考下吧
mybatis choose when的用法實現(xiàn)代碼如下所示:
mapper.xml:
<select id="query" resultType="map" parameterType="map">
select
<choose>
<when test="cityId == '00' ">
a.city_id as CITYID,
</when>
<otherwise>
<choose>
<when test="cityId == '0001' and statsDimension==1">
a.level1_maintain_unit_id as CITYID,
</when>
<otherwise>
a.county_id as CITYID,
</otherwise>
</choose>
</otherwise>
</choose>
sum(ONUNUM) as ONUNUM,
sum(ONTNUM) as ONTNUM
from new_olt_upopt_sp_month_${tableDate} a
where 1 = 1
<if test="cityId == '0001' and statsDimension==1">
and a.city_id = '0001'
</if>
<![CDATA[and a.gather_time >= ${startDate}]]>
<![CDATA[and a.gather_time <= ${endDate}]]>
group by
<choose>
<when test="cityId == '00' ">
a.city_id
</when>
<otherwise>
<choose>
<when test="cityId == '0001' and statsDimension==1">
a.level1_maintain_unit_id
</when>
<otherwise>
a.county_id
having a.county_id in
(select city_id from tab_city
where city_id= #{cityId} or parent_id=#{cityId})
</otherwise>
</choose>
</otherwise>
</choose>
</select>
以上所述是小編給大家介紹的Mybatis choose when用法實例代碼,希望對大家有所幫助,如果大家有任何疑問請給我留言,小編會及時回復大家的。在此也非常感謝大家對腳本之家網(wǎng)站的支持!
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