If you see carefully, we have used two parameters, namely “id” and “name”. Hence, when we get the output, we get two columns. What the pluck () function does is that it essentially loops through a collection and collects all the data from the particular field and stores it in ano...
// Get ids of descendants $categories = $category->descendants()->pluck('id'); // Include the id of category itself $categories[] = $category->getKey(); // Get posts $posts = \App\Models\Post::withCategories($categories)->get();...
Instead of comparing two columns, these methods will compare the column against a value:DB::table('users') ->join('contacts', function($join) { $join->on('users.id', '=', 'contacts.user_id') ->where('contacts.user_id', '>', 5); }) ->get();...
You may pass multiple arguments to the groupBy method to group by multiple columns:$users = DB::table('users') ->groupBy('first_name', 'status') ->having('account_id', '>', 100) ->get();To build more advanced having statements, see the havingRaw method....
正如Mayukh Bhattacharya在他的评论中提到的，有一个255字符的限制。但是，您可以通过使用WithMultipleSheets...
Sometimes you may need to apply the same query constraints to multiple columns. For example, you may want to retrieve all records where any columns in a given list are LIKE a given value. You may accomplish this using the whereAny method:$users = DB::table('users') ->where('active',...
固定资源路由 路径：：资源（'产品/索引/出版商'，VoyagerProductPublisherController：：类）;路由：：...
You may pass multiple arguments to the groupBy method to group by multiple columns:$users = DB::table('users') ->groupBy('first_name', 'status') ->having('account_id', '>', 100) ->get();CopyTo build more advanced having statements, see the havingRaw method....
So, instead ofunioningthe subsets of a partitioned query, I would enhance the sort. This is how you can sort by multiple criteria:How to sort a Laravel query builder result by multiple columns? And this is how you can order by raw in a descending manner:https://medium.com/@junaidjaved...
In Laravel Nova I have BelongsToMany Relationship (companies - pivot - requests). In the Pivot table I have some additional columns which I access with the pivot fields (https://nova.laravel.com/docs/1.0/resources/relationships.html#belongstomany) which works great. ...