优化update 语句

java110-bean/src/main/java/com/java110/po/room/RoomAttrPo.java

@@ -17,7 +17,7 @@ public class RoomAttrPo implements Serializable {
     private String roomId;
     private String specCd;
     private String value;
-    private String statusCd;
+    private String statusCd = "0";
     public String getbId() {
         return bId;
     }

java110-db/src/main/resources/mapper/community/RoomAttrV1ServiceDaoImplMapper.xml

@@ -5,93 +5,89 @@
 <mapper namespace="roomAttrV1ServiceDaoImpl">
 
 
-
-
-
     <!-- 保存房屋属性信息 add by wuxw 2018-07-03 -->
     <insert id="saveRoomAttrInfo" parameterType="Map">
         insert into building_room_attr(
-attr_id,spec_cd,value,room_id
-) values (
-#{attrId},#{specCd},#{value},#{roomId}
-)
+        attr_id,spec_cd,value,room_id
+        ) values (
+        #{attrId},#{specCd},#{value},#{roomId}
+        )
     </insert>
 
 
-
     <!-- 查询房屋属性信息 add by wuxw 2018-07-03 -->
     <select id="getRoomAttrInfo" parameterType="Map" resultType="Map">
-        select  t.attr_id,t.attr_id attrId,t.spec_cd,t.spec_cd specCd,t.status_cd,t.status_cd statusCd,t.value,t.room_id,t.room_id roomId 
-from building_room_attr t 
-where 1 =1 
-<if test="attrId !=null and attrId != ''">
-   and t.attr_id= #{attrId}
-</if> 
-<if test="specCd !=null and specCd != ''">
-   and t.spec_cd= #{specCd}
-</if> 
-<if test="statusCd !=null and statusCd != ''">
-   and t.status_cd= #{statusCd}
-</if> 
-<if test="value !=null and value != ''">
-   and t.value= #{value}
-</if> 
-<if test="roomId !=null and roomId != ''">
-   and t.room_id= #{roomId}
-</if> 
-order by t.create_time desc
-<if test="page != -1 and page != null ">
-   limit #{page}, #{row}
-</if> 
+        select t.attr_id,t.attr_id attrId,t.spec_cd,t.spec_cd specCd,t.status_cd,t.status_cd
+        statusCd,t.value,t.room_id,t.room_id roomId
+        from building_room_attr t
+        where 1 =1
+        <if test="attrId !=null and attrId != ''">
+            and t.attr_id= #{attrId}
+        </if>
+        <if test="specCd !=null and specCd != ''">
+            and t.spec_cd= #{specCd}
+        </if>
+        <if test="statusCd !=null and statusCd != ''">
+            and t.status_cd= #{statusCd}
+        </if>
+        <if test="value !=null and value != ''">
+            and t.value= #{value}
+        </if>
+        <if test="roomId !=null and roomId != ''">
+            and t.room_id= #{roomId}
+        </if>
+        order by t.create_time desc
+        <if test="page != -1 and page != null ">
+            limit #{page}, #{row}
+        </if>
 
     </select>
 
 
-
-
     <!-- 修改房屋属性信息 add by wuxw 2018-07-03 -->
     <update id="updateRoomAttrInfo" parameterType="Map">
-        update  building_room_attr t set t.status_cd = #{statusCd}
-<if test="newBId != null and newBId != ''">
-,t.b_id = #{newBId}
-</if> 
-<if test="specCd !=null and specCd != ''">
-, t.spec_cd= #{specCd}
-</if> 
-<if test="value !=null and value != ''">
-, t.value= #{value}
-</if> 
-<if test="roomId !=null and roomId != ''">
-, t.room_id= #{roomId}
-</if> 
- where 1=1 <if test="attrId !=null and attrId != ''">
-and t.attr_id= #{attrId}
-</if> 
+        update building_room_attr t set t.status_cd = #{statusCd}
+        <if test="newBId != null and newBId != ''">
+            ,t.b_id = #{newBId}
+        </if>
+        <if test="specCd !=null and specCd != ''">
+            , t.spec_cd= #{specCd}
+        </if>
+        <if test="value !=null and value != ''">
+            , t.value= #{value}
+        </if>
+        <if test="roomId !=null and roomId != ''">
+            , t.room_id= #{roomId}
+        </if>
+        where 1=1
+        <if test="attrId !=null and attrId != ''">
+            and t.attr_id= #{attrId}
+        </if>
 
     </update>
 
     <!-- 查询房屋属性数量 add by wuxw 2018-07-03 -->
-     <select id="queryRoomAttrsCount" parameterType="Map" resultType="Map">
-        select  count(1) count 
-from building_room_attr t 
-where 1 =1 
-<if test="attrId !=null and attrId != ''">
-   and t.attr_id= #{attrId}
-</if> 
-<if test="specCd !=null and specCd != ''">
-   and t.spec_cd= #{specCd}
-</if> 
-<if test="statusCd !=null and statusCd != ''">
-   and t.status_cd= #{statusCd}
-</if> 
-<if test="value !=null and value != ''">
-   and t.value= #{value}
-</if> 
-<if test="roomId !=null and roomId != ''">
-   and t.room_id= #{roomId}
-</if> 
+    <select id="queryRoomAttrsCount" parameterType="Map" resultType="Map">
+        select count(1) count
+        from building_room_attr t
+        where 1 =1
+        <if test="attrId !=null and attrId != ''">
+            and t.attr_id= #{attrId}
+        </if>
+        <if test="specCd !=null and specCd != ''">
+            and t.spec_cd= #{specCd}
+        </if>
+        <if test="statusCd !=null and statusCd != ''">
+            and t.status_cd= #{statusCd}
+        </if>
+        <if test="value !=null and value != ''">
+            and t.value= #{value}
+        </if>
+        <if test="roomId !=null and roomId != ''">
+            and t.room_id= #{roomId}
+        </if>
 
 
-     </select>
+    </select>
 
 </mapper>