method

first

v4.2.9 - Show latest stable - 0 notes - Class: ActiveRecord::FinderMethods

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What's this?

first(limit = nil) public

Find the first record (or first N records if a parameter is supplied). If no order is defined it will order by primary key.

Person.first # returns the first object fetched by SELECT * FROM people ORDER BY people.id LIMIT 1
Person.where(["user_name = ?", user_name]).first
Person.where(["user_name = :u", { u: user_name }]).first
Person.order("created_on DESC").offset(5).first
Person.first(3) # returns the first three objects fetched by SELECT * FROM people ORDER BY people.id LIMIT 3

Show source

# File activerecord/lib/active_record/relation/finder_methods.rb, line 123
    def first(limit = nil)
      if limit
        find_nth_with_limit(offset_index, limit)
      else
        find_nth(0, offset_index)
      end
    end

first

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