Laravel get row with the max of a column, group by some cols
如上圖資料，想要group by g_id找到最大update_datetime的row:
XXX::whereRaw('update_datetime in (select max(update_datetime) from xxx GROUP BY (g_id))')
->get();分享至
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XXX::whereRaw('update_datetime in (select max(update_datetime) from xxx GROUP BY (g_id))')
->get();