instance method `find_by`

Ruby on Rails edge

Since v4.0.13

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find_by(arg, *args)

Finds the first record matching the specified conditions. There is no implied ordering so if order matters, you should specify it yourself.

If no record is found, returns nil.

“‘ Post.find_by name: ’Spartacus’, rating: 4 Post.find_by “published_at < ?”, 2.weeks.ago “‘

Parameters

Source

# File activerecord/lib/active_record/relation/finder_methods.rb, line 127
    def find_by(arg, *args)
      where(arg, *args).take
    end

Defined in activerecord/lib/active_record/relation/finder_methods.rb line 127 · View on GitHub · Improve this page · Find usages on GitHub