CODEWITHSUNDEEP
ruby-on-railsrubyactiverecord
Life4ants
Life4ants

Reputation: 693

Rails: get the first n active record objects of a model

I need a way to get the first n items of a model. Item.first(n), Item.all[1..n] will do that, except they return an array, not an object. How do I get it as an ActiveRecord Object?

irb(main):135:0> Player.where(game_id: 1).class
=> Player::ActiveRecord_Relation    #Ok
irb(main):136:0> Game.first.players.class
=> Player::ActiveRecord_Associations_CollectionProxy    #Ok
irb(main):137:0> Player.where(game_id: 1).first(2).class
=> Array   #Not Ok

I want to run update_all on the returned collection of players, and I can't do that on an array.

Upvotes: 6

Views: 3721

Answers (1)

max pleaner
max pleaner

Reputation: 26788

You do .limit(n)

Combine this with .offset and you have pagination.

Upvotes: 9

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