...境下来学习吧: public function index() { $posts = Post::whereIn(category_id,[1,2])->where(is_draft,0)->orderBy(created_at, desc)->take(5)->get(); return view(front.index,compact(posts));...
...合,并对集合中的数据进行数据绑定即可。 基类中添加 whereIn() 方法: // $field where in 要查的字段 // $data 进行判断的数据集合 // $condition in、not in 模式 // $operator AND、OR 分隔符 public function whereIn($field, array $data, $condition = IN,...
...询一条记录 $user = User::find(1); // 关联查询 $user_list = User::whereIn(id,[1,2,3])->with(articles)->findAll()->toArray(); // 更新 $r = $user->update([name => aaa]); // 或者 $r = user::where(id,1)->update([n...
... User::whereNotBetween(age, [1, 7])->get(); // 1-7岁以外的用户 // whereIn 方法验证给定列的值是否在给定数组中: $users = User::whereIn(id, [1, 2, 3])->get(); // whereNotIn 方法验证给定列的值不在给定数组中: $users = User::whereNotIn(id, [...
...用于在任何位置的调试和查找集合内的内容。 $collection->whereIn(user_id, [1, 2]) ->dump() ->where(user_id, 1); dump 上述代码结果。 map() map 方法用于遍历整个集合。 它接受回调作为参数。 value 和 key 被传递给回调。 回调可以修改...
...ers = DB::table(users) ->whereNotBetween(votes, [1, 100])->get(); whereIn / whereNotIn $users = DB::table(users) ->whereIn(id, [1, 2, 3]) ->get(); $users = DB::table(users) ->wh...
...er->whereBetween(key,[value1,value2])->first(); where in query $builder->whereIn(key,[value1,value2])->first(); logic query $builder->whereTerm(key,value)->orWhereTerm(key2,value)->first(); nested ...
... all,get 等函数,此时并不会执行 SQL 语句。 $sub = Comment::whereIn(post_id,$postIds)->select(DB::raw(*,@post := NULL ,@rank := 0))->orderBy(post_id); //把上面构造的 sql 查询作为子表进行查询,根据 post_id 进行分区的同时 @rank 变量不断+1 $sub...
...unction whereRaw($sql, $bindings = [], $boolean = and) public function whereIn($column, $values, $boolean = and, $not = false) public function orWhereIn($column, $values) 可见有很多方法在中国laravel站或...
...is_array($value) || $value instanceof Arrayable) { $query->whereIn($key, $value); } else { $query->where($key, $value); } } ...
...$goodsId) ->where(paid_type,$paidType) ->whereIn(paid_status,[Constant::PAID_STATUS_CHECKED]) ->orderBy(add_time,desc) ->first() ...
...的id $categories[] = $category->getKey(); // 获得goods $goods = Goods::whereIn(category_id, $categories)->get(); 包含node深度(depth) 如果你需要知道node的出入那一层级: $result = Category::withDepth()->find($id); $dept...
...ic function addEagerConstraints(array $models) { $this->query->whereIn( $this->foreignKey, $this->getKeys($models, $this->localKey) ); } } 他给关联应用了一个where book_id...
ChatGPT和Sora等AI大模型应用,将AI大模型和算力需求的热度不断带上新的台阶。哪里可以获得...
大模型的训练用4090是不合适的,但推理(inference/serving)用4090不能说合适,...
图示为GPU性能排行榜,我们可以看到所有GPU的原始相关性能图表。同时根据训练、推理能力由高到低做了...