method

primary_key=

v3.2.8 - Show latest stable - 0 notes - Class: ActiveRecord::AttributeMethods::PrimaryKey::ClassMethods

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What's this?

primary_key=(value) public

Sets the name of the primary key column.

class Project < ActiveRecord::Base
  self.primary_key = "sysid"
end

You can also define the primary_key method yourself:

class Project < ActiveRecord::Base
  def self.primary_key
    "foo_" + super
  end
end
Project.primary_key # => "foo_id"

Show source

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 101
        def primary_key=(value)
          @original_primary_key = @primary_key if defined?(@primary_key)
          @primary_key          = value && value.to_s
          @quoted_primary_key   = nil
        end

primary_key=

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