更新时间:2022-11-19 12:07:59
要获取每个seller_id的最新记录,您可以使用以下查询
To get latest record for each seller_id you can use following query
select s.*
from snapshot s
left join snapshot s1 on s.seller_id = s1.seller_id
and s.created_at < s1.created_at
where s1.seller_id is null
使用查询构建器,您可以将其重写为
Using query builder you might rewrite it as
DB::table('snapshot as s')
->select('s.*')
->leftJoin('snapshot as s1', function ($join) {
$join->on('s.seller_id', '=', 's1.seller_id')
->whereRaw(DB::raw('s.created_at < s1.created_at'));
})
->whereNull('s1.seller_id')
->get();