method
has_primary_key?
rails latest stable - Class:
ActiveRecord::Associations::HasAndBelongsToManyAssociation
has_primary_key?()public
No documentation available.
# 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
