method

hash

v7.1.3.4 - Show latest stable - 0 notes - Class: Core

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What's this?

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 609
    def hash
      id = self.id

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

hash

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