instance method
find_one
Ruby on Rails 5.0.7.2
Since v3.0.20Signature
find_one(id)No documentation comment.
Parameters
-
idreq
Source
# File activerecord/lib/active_record/relation/finder_methods.rb, line 467
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 467
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Defined in ActiveRecord::FinderMethods