select id, product_id, user_name, comment_text, comment_id, picture_urls, created_at, comment_date, is_use from comments and product_id = #{productId} and user_name like concat('%', #{userName}, '%') and comment_text like concat('%', #{commentText}, '%') and is_use = #{isUse} and created_at >= #{params.beginTime} and created_at <= #{params.endTime} order by created_at desc where id = #{id} select count(*) as totalCount, sum(case when is_use = 0 then 1 else 0 end) as availableCount, sum(case when is_use = 1 then 1 else 0 end) as usedCount, (select max(created_at) from comments where product_id = #{productId}) as lastCommentUpdateTime from comments where product_id = #{productId} update comments is_use = #{isUse}, where id = #{id} update comments set is_use = 0 where product_id = #{productId} delete from comments where id in #{id}