列表查询优化

dsk-system/src/main/java/com/dsk/system/service/impl/CustomerServiceImpl.java

@@ -51,16 +51,17 @@ public class CustomerServiceImpl implements ICustomerService {
     @Override
     public List<CustomerListVo> selectList(CustomerSearchDto dto) {
         dto.setUserId(SecurityUtils.getUserId());
-        List<CustomerListVo> vos = baseMapper.selectList(dto);
-        vos.parallelStream().forEach(vo -> {
-            //合作项目
-            vo.setCooperationProject(businessInfoService.selectCountByStatusAndCustomerId(2, vo.getCustomerId()));
-            //跟进项目
-            vo.setFollowProject(businessInfoService.selectCountByStatusAndCustomerId(1, vo.getCustomerId()));
-            //储备项目
-            vo.setReserveProject(businessInfoService.selectCountByStatusAndCustomerId(0, vo.getCustomerId()));
-        });
-        return vos;
+//        List<CustomerListVo> vos = baseMapper.selectList(dto);
+//        vos.parallelStream().forEach(vo -> {
+//            //合作项目
+//            vo.setCooperationProject(businessInfoService.selectCountByStatusAndCustomerId(2, vo.getCustomerId()));
+//            //跟进项目
+//            vo.setFollowProject(businessInfoService.selectCountByStatusAndCustomerId(1, vo.getCustomerId()));
+//            //储备项目
+//            vo.setReserveProject(businessInfoService.selectCountByStatusAndCustomerId(0, vo.getCustomerId()));
+//        });
+//        return vos;
+        return baseMapper.selectList(dto);
     }
 
     @Override

dsk-system/src/main/resources/mapper/system/customer/CustomerMapper.xml

@@ -10,7 +10,7 @@
         ct.performance_characteristic, ct.other_ms_characteistic, ct.create_id, ct.create_time, ct.update_id, ct.update_time
     </sql>
 
-    <select id="selectList" resultType="com.dsk.system.domain.customer.vo.CustomerListVo">
+    <select id="selectList1" resultType="com.dsk.system.domain.customer.vo.CustomerListVo">
         select
              u.nick_name followUser,
              <include refid="Base_Bean"></include>
@@ -21,6 +21,26 @@
         <if test="dto.companyName != null and dto.companyName != '' "> and ct.company_name like concat('%',#{dto.companyName},'%')</if>
     </select>
 
+    <select id="selectList" resultType="com.dsk.system.domain.customer.vo.CustomerListVo">
+        select
+            u.nick_name followUser, bi1.num reserveProject, bi2.num followProject, bi3.num cooperationProject,
+            <include refid="Base_Bean"></include>
+        from customer ct
+        join customer_user ctu on ct.customer_id = ctu.customer_id
+        join sys_user u on ctu.user_id = u.user_id
+        left join (
+            select count(status) num,customer_id from business_info where `status` = '储备中' group by customer_id
+        ) bi1 on bi1.customer_id = ct.customer_id
+        left join (
+            select count(status) num,customer_id from business_info where `status` = '跟进中' group by customer_id
+        ) bi2 on bi2.customer_id = ct.customer_id
+        left join (
+            select count(status) num,customer_id from business_info where `status` = '已合作' group by customer_id
+        ) bi3 on bi3.customer_id = ct.customer_id
+        where ctu.user_id = #{dto.userId}
+        <if test="dto.companyName != null and dto.companyName != '' "> and ct.company_name like concat('%',#{dto.companyName},'%')</if>
+    </select>
+
     <select id="selectUserList" resultType="com.dsk.system.domain.customer.Customer">
         select
             ct.customer_id, ct.company_name