select user_id, goods_id, create_time from zdy_wcsc_user_goods_collect where user_id = #{userId} insert into zdy_wcsc_user_goods_collect user_id, goods_id, create_time, #{userId}, #{goodsId}, #{createTime}, update zdy_wcsc_user_goods_collect goods_id = #{goodsId}, create_time = #{createTime}, where user_id = #{userId} delete from zdy_wcsc_user_goods_collect where user_id = #{userId} delete from zdy_wcsc_user_goods_collect where user_id in #{userId} delete from zdy_wcsc_user_goods_collect where user_id = #{userId} and goods_id in #{goodsId} select exists(select 1 from zdy_wcsc_user_goods_collect where user_id = #{userId} and goods_id = #{goodsId})