method

has_primary_key?

Importance_0
v3.0.9 - Show latest stable - 0 notes - Class: ActiveRecord::Associations::HasAndBelongsToManyAssociation
  • 1.0.0
  • 1.1.6
  • 1.2.6
  • 2.0.3
  • 2.1.0
  • 2.2.1
  • 2.3.8 (0)
  • 3.0.0 (0)
  • 3.0.9 (0)
  • 3.1.0
  • 3.2.1
  • 3.2.8
  • 3.2.13
  • 4.0.2
  • 4.1.8
  • 4.2.1
  • 4.2.7
  • 4.2.9
  • 5.0.0.1
  • 5.1.7
  • 5.2.3
  • 6.0.0
  • 6.1.3.1
  • 6.1.7.7
  • 7.0.0
  • 7.1.3.2
  • 7.1.3.4
  • What's this?
has_primary_key?() public

No documentation

This method has no description. You can help the Ruby on Rails community by adding new notes.

Hide source 
# File activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb, line 30
      def has_primary_key?
        @has_primary_key ||= @owner.connection.supports_primary_key? && @owner.connection.primary_key(@reflection.options[:join_table])
      end
Register or log in to add new notes.