instance method `find_one`

Ruby on Rails 4.2.9

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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find_one(id)

No documentation comment.

Parameters

id req

Source

# File activerecord/lib/active_record/relation/finder_methods.rb, line 432
    def find_one(id)
      if ActiveRecord::Base === id
        id = id.id
        ActiveSupport::Deprecation.warn(<<-MSG.squish)
          You are passing an instance of ActiveRecord::Base to `find`.
          Please pass the id of the object by calling `.id`
        MSG
      end

      relation = where(primary_key => id)
      record = relation.take

      raise_record_not_found_exception!(id, 0, 1) unless record

      record
    end

Defined in activerecord/lib/active_record/relation/finder_methods.rb line 432 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::FinderMethods

Signature

Parameters