From f6ea637c29aa7b6715cd496485a1d0dbc5e9ab7f Mon Sep 17 00:00:00 2001
From: Joshi <3040996759@qq.com>
Date: Wed, 17 Dec 2025 14:32:30 +0800
Subject: [PATCH] =?UTF-8?q?fix(sql):=20=E4=BC=98=E5=8C=96coil=E6=93=8D?=
 =?UTF-8?q?=E4=BD=9C=E6=9F=A5=E8=AF=A2=E9=80=BB=E8=BE=91?=
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- 使用ROW_NUMBER窗口函数替代子查询和JOIN操作
- 简化查询结构，提高执行效率
- 保留对coilIds的可选过滤条件
- 确保每个coilId只返回最新的记录
---
 .../klp/WmsDeliveryPlanCoilOperateMapper.xml  | 32 +++++++------------
 1 file changed, 12 insertions(+), 20 deletions(-)

diff --git a/klp-wms/src/main/resources/mapper/klp/WmsDeliveryPlanCoilOperateMapper.xml b/klp-wms/src/main/resources/mapper/klp/WmsDeliveryPlanCoilOperateMapper.xml
index decae65c..3ce9a1fd 100644
--- a/klp-wms/src/main/resources/mapper/klp/WmsDeliveryPlanCoilOperateMapper.xml
+++ b/klp-wms/src/main/resources/mapper/klp/WmsDeliveryPlanCoilOperateMapper.xml
@@ -17,28 +17,20 @@
         <result property="updateTime" column="update_time"/>
     </resultMap>
     <select id="getCoilOperate" resultMap="WmsDeliveryPlanCoilOperateResult">
-        SELECT t.*
-        FROM wms_delivery_plan_coil_operate t
-        INNER JOIN (
-        -- 子查询：先获取每个coilId的最新创建时间（限定planId和coilIds）
+        SELECT * FROM (
         SELECT
-        coil_id,
-        MAX(create_time) AS max_create_time
-        FROM wms_delivery_plan_coil_operate
+        t.*,
+        ROW_NUMBER() OVER (PARTITION BY t.coil_id ORDER BY t.create_time DESC) AS rn
+        FROM wms_delivery_plan_coil_operate t
         WHERE plan_id = #{planId}
-        AND coil_id IN
-        <foreach collection="coilIds" item="coilId" open="(" separator="," close=")">
-            #{coilId}
-        </foreach>
-        GROUP BY coil_id
-        ) t_max ON t.plan_id = #{planId}
-        AND t.coil_id = t_max.coil_id
-        AND t.create_time = t_max.max_create_time
-        -- 最终过滤目标coilIds（双重保障）
-        WHERE t.coil_id IN
-        <foreach collection="coilIds" item="coilId" open="(" separator="," close=")">
-            #{coilId}
-        </foreach>
+        <if test="coilIds != null and coilIds.length > 0">
+            AND coil_id IN
+            <foreach collection="coilIds" item="coilId" open="(" separator="," close=")">
+                #{coilId}
+            </foreach>
+        </if>
+        ) tmp
+        WHERE tmp.rn = 1
     </select>