method

find_by

v5.2.3 - Show latest stable - Class: ActiveRecord::FinderMethods

find_by(arg, *args)

public

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

# File activerecord/lib/active_record/relation/finder_methods.rb, line 80
    def find_by(arg, *args)
      where(arg, *args).take
    rescue ::RangeError
      nil
    end

find_by

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