polymorphic-associations

I'm looking at mass assignment in Laravel, and trying to mass assign data for both one model and it's related model. My models: class News extends Eloquent { protected $table = 'news'; protected $fillable = array( 'title', 'slug', 'author', 'img', 'content', ); public function content() { return $this->morphMany('Content', 'morphable')->orderBy('section'); } } class Content extends Eloquent { protected $table = 'contents'; protected $fillable = array( 'rawText', 'section', ); public function morphable() { return $this->morphMany(); } } My Input I have Input:all() looking like this, coming from

How can i resolve this error Column family ID mismatch (found cebcc380-72d4-11e7-9a6b-bd620b945799; expected c05d6970-72d4-11e7-9a6b-bd620b945799) Caused by: java.util.concurrent.ExecutionException: org.apache.cassandra.exceptions.ConfigurationException: Column family ID mismatch (found cebcc380-72d4-11e7-9a6b-bd620b945799; expected c05d6970-72d4-11e7-9a6b-bd620b945799) at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.8.0_131] at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[na:1.8.0_131] at org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java

I'm attempting to create a system where my site's users can favorites pages. Those pages have two types, either clubs or sports. So, I have four models, associated as such: User Model: class User < ActiveRecord::Base .. has_many :favorites has_many :sports, :through => :favorites has_many :clubs, :through => :favorites .. end Favorites Model: class Favorite < ActiveRecord::Base .. belongs_to :user belongs_to :favoritable, :polymorphic => true end Club Model: class Club < ActiveRecord::Base .. has_many :favorites, :as => :favoritable has_many :users, :through => :favorites def to_param slug end

I need a player to have many structures and the structure to belong to the player. Structure is a polymorphic relationship. class Player < ActiveRecord::Base has_many :player_structures has_many :structures, :through => player_structures end class PlayerStructures < ActiveRecord::Base belongs_to :structure, polymorphic: true belongs_to :player end class StructureA < ActiveRecord::Base has_one :player_structure, :as => :structure has_one :player, :through => :player_structure end class StructureB < ActiveRecord::Base has_one :player_structure, :as => :structure has_one :player, :through =>

I have a table ASSETS that has a structure as it is shown below : ---------------------------------------------------- ID (PK) | DESCRIPTION | TYPE | Do- | Do+ | Dx- | Dx+ ---------------------------------------------------- TYPE column has a foreign key , possible values are SECURITY or CURRENCY (i.e. FX ), also I have two more tables : CURRENCIES ( for example , EUR , RUB or USD ) : -------------------------------------------------------- ID (PK)| FROM (FK ASSETS.ID) | TO (FK ASSETS.ID) | VALUE -------------------------------------------------------- and SECURITIES ( for example , MTS , GAZP

I have a ploymorphic association named Notifiable in a model named Notifiaction : module Notifiable def self.included(base) base.instance_eval do has_many :notifications, :as => :notifiable, :inverse_of => :notifiable, :dependent => :destroy end end end class Bill < ActiveRecord::Base include Notifiable end class Balance < ActiveRecord::Base include Notifiable end class Notification belongs_to :notifiable, :polymorphic => true belongs_to :bill, foreign_key: 'notifiable_id', conditions: "notifiable_type = 'Bill'" belongs_to :balance, foreign_key: 'notifiable_id', conditions: "notifiable_type =