method

one?

v5.2.3 - Show latest stable - 0 notes - Class: ActiveRecord::Relation

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What's this?

one?() public

Returns true if there is exactly one record.

# File activerecord/lib/active_record/relation.rb, line 233
    def one?
      return super if block_given?
      limit_value ? records.one? : size == 1
    end

one?

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