优化更新功能

ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/mapper/ColumnValueMapper.java

      */
     void batchUpdate(@Param("list") List<ColumnValue> list);
 
+    int updateColumnValue(ColumnValue columnValue);
+
 }

ruoyi-system/src/main/resources/mapper/wisdomarbitrate/ColumnValueMapper.xml

             where id=#{item.id};
         </foreach>
     </update>
+
+    <update id="updateColumnValue"  parameterType="ColumnValue">
+        update  column_value
+        <set>
+            <if test="value != null and value != ''">
+                `VALUE` = #{value},
+            </if>
+        </set>
+        where id=#{id}
+    </update>
+
     <select id="listByCaseId" resultMap="BaseResultMap">
         select * from column_value where case_id=#{caseId}
     </select>