method

hash

Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: ClassMethods

1.0.0
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What's this?

Method not available on this version

This method is only available on newer versions. The first available version of the method is shown here.

hash() public

Delegates to id in order to allow two records of the same type and id to work with something like:

[ Person.find(1), Person.find(2), Person.find(3) ] & [ Person.find(1), Person.find(4) ] # => [ Person.find(1) ]

Show source

# File activerecord/lib/active_record/core.rb, line 590
    def hash
      id = self.id

      if id
        self.class.hash ^ id.hash
      else
        super
      end
    end

hash

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