method

primary_key=

v7.1.3.2 - Show latest stable - 0 notes - Class: ActiveRecord::AttributeMethods::PrimaryKey::ClassMethods

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0 (0)
3.0.9 (8)
3.1.0 (-6)
3.2.1 (38)
3.2.8 (0)
3.2.13 (0)
4.0.2 (0)
4.1.8 (0)
4.2.1 (0)
4.2.7 (0)
4.2.9 (0)
5.0.0.1 (0)
5.1.7 (0)
5.2.3 (0)
6.0.0 (0)
6.1.3.1 (0)
6.1.7.7 (0)
7.0.0 (0)
7.1.3.2 (0)
7.1.3.4 (0)
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 165
          def primary_key=(value)
            @primary_key        = derive_primary_key(value)
            @quoted_primary_key = nil
            @attributes_builder = nil
          end

primary_key=

Related methods