[英]Laravel query builder with joins
我在將原始sql查詢轉換為laravel查詢生成器時受阻。 有人可以幫我解決這個問題嗎?
select p.name, p.`type`, p.`status`, p.state, ps1.* from pos_session ps1 right join pos p on ps1.pos_id = p.id where ps1.id = (select max(ps0.id) from pos_session ps0 where ps0.pos_id = ps1.pos_id) or p.site_id = '2' order by ps1.pos_id;
嘗試以下查詢:
DB::table('pos_session AS ps1')
->select('p.name','p.type','p.status','p.state','ps1.*')
->rightJoin('pos AS p','ps1.pos_id','=','p.id')
->where('ps1.id','=',function($query){
$query->select(DB::raw('MAX(ps0.id)'))
->from('pos_session AS ps0')
->where('ps0.pos_id','=','ps1.pos_id');
})
->orWhere('p.site_id','=',2)
->orderBy('ps1.pos_id')
->get();
您也可以通過加入來獲得結果:
DB::table('pos_session AS ps1')
->select('p.name','p.type','p.status','p.state','ps1.*')
->rightJoin('pos AS p','ps1.pos_id','=','p.id')
->join('pos_session AS ps0', 'ps0.pos_id', '=', 'ps1.pos_id')
->where('ps1.id','=',DB::raw('MAX(ps0.id)'))
->orWhere('p.site_id','=',2)
->orderBy('ps1.pos_id')
->get();
希望它有幫助:)
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