接口:
Integer batchSave(@Param("areaPointVOS")List<AreaPointVO> areaPointVOS);
实现:
把所有对象的属性放到临时表B中,然后通过ON来匹配条件,注意在WHEN NOT MATCHED THEN中的插入语句并不是我们平时习惯的insert into 表名 这种写法。
<insert id="batchSave" parameterType="java.util.List">
MERGE INTO 表名 A
USING (<foreach collection="areaPointVOS" item="item" index="index" separator="union">
select #{item.id} id,#{item.workId} workId,#{item.point} pointId,#{item.area} areaCode,
#{item.areaName} areaName,#{item.proId} proId,#{item.proName} proName,#{item.createBy} createBy,
#{item.createPostId} createPostId,#{item.createByOrg} createByOrg,#{item.createLoginName} createLoginName,
#{item.createTime} createTime
from dual
</foreach>) B
ON (A.CHECK_WORK_ID=B.workId and A.CHECK_POINT_ID=B.pointId and A.REVIEW_AREA_CODE=B.areaCode)
WHEN NOT MATCHED THEN
insert
(ID,
CHECK_WORK_ID,
CHECK_POINT_ID,
REVIEW_PROV_CODE,
REVIEW_PROV_NAME,
REVIEW_AREA_CODE,
REVIEW_AREA_NAME,
CREATE_BY,
CREATE_LOGIN_NAME,
CREATE_POST_ID,
CREATE_BY_ORG,
CREATE_TIME)
values
(B.id, B.workId, B.pointId, B.proId, B.proName, B.areaCode, B.areaName, B.createBy,
B.createLoginName, B.createPostId, B.createByOrg,B.createTime)
</insert>