INSERT INTO ${tableName} (glass_id, start_slot, target_slot,task_state) VALUES (#{item.glassId}, #{item.startSlot},#{item.targetSlot},#{item.taskState}) delete from ${tableName} UPDATE ${tableName} SET target_slot = #{task.targetSlot} where glass_id = #{task.glassId} UPDATE ${tableName} SET glass_id = '' , start_slot = 0 , target_slot = 0 , task_state = 0