many-to-many

Just migrated to 4.1 to take advantage of this powerful feature. everything seems to work correctly when retrieving individual 'morphedByXxxx' relations, however when trying to retrieve all models that a particular tag belongs to -- i get an error or no results. $tag = Tag::find(45); //Tag model name = 'awesome' //returns an Illuminate\Database\Eloquent\Collection of zero length $tag->taggable; //returns Illuminate\Database\Eloquent\Relations\MorphToMany Builder class $tag->taggable(); //returns a populated Collection of Video models $tag->videos()->get(); //returns a populated Collection of

I am developing an application which deals with two following entities: Products (let's name it as X, Y, Z) and Materials (a, b, c, ...). It's known that every product has a recipe which indicates what materials are required for making this product. For example, to produce one X we need 2 a, 6 c and 4 d (X = 2a + 6c + 4d). That's how it reflects in a database tables: Products id INT name VARCHAR ... Materials id INT name VARCHAR ... Recipes product_id INT material_id INT count INT The "count" field in the third table is a coefficient for materials of the same kind (2, 6, 4 from the example).

I have come to a roadblock in my current project. I basically have an app that is much like the Core Data Recipe app... Here is the basic structure I have in my .xcdatamodel Entity: Restaurant String: name Category: category <---- to-many relationship Entity: Category String: name Restaurant: restaurant <---- to-many relationship So basically, a Restaurant can have multiple categories... And there are a const number of predefined Categories.. For example: Restaurant: Name: Chili’s Categories: Take Out , Family Dining “Take Out” and “Family Dining” are 2 of 10 different possible Restaurant

I have an entity called Books that can have a list of more books called RelatedBooks. The abbreviated Book entity looks something likes this: public class Book { public virtual long Id { get; private set; } public virtual IList<Book> RelatedBooks { get; set; } } Here is what the mapping looks like for this relationship HasManyToMany(x => x.RelatedBooks) .ParentKeyColumn("BookId") .ChildKeyColumn("RelatedBookId") .Table("RelatedBooks") .Cascade.SaveUpdate(); Here is a sample of the data that is then generated in the RelatedBooks table: BookId RelatedBookId 1 2 1 3 The problem happens when I Try