INSERT INTO gear_production_task_material ( line_id, task_id, material_id, material_role, plan_qty, used_qty, unit, remark ) VALUES ( #{i.lineId}, #{i.taskId}, #{i.materialId}, #{i.materialRole}, #{i.planQty}, #{i.usedQty}, #{i.unit}, #{i.remark} ) DELETE FROM gear_production_task_material WHERE task_id = #{taskId}