select only_identity, product_id, product_name, quantity from view_product_and_stock
insert into view_product_and_stock
only_identity,product_id,product_name,quantity,#{onlyIdentity},#{productId},#{productName},#{quantity},
update view_product_and_stock
product_id = #{productId},product_name = #{productName},quantity = #{quantity},
where only_identity = #{onlyIdentity}
delete from view_product_and_stock where only_identity = #{onlyIdentity}
delete from view_product_and_stock where only_identity in
#{onlyIdentity}