# File lib/active_record/attribute_methods/primary_key.rb, line 64 def set_primary_key(value = nil, &block) @quoted_primary_key = nil @primary_key ||= '' self.original_primary_key = @primary_key value &&= value.to_s connection_pool.primary_keys[table_name] = value self.primary_key = block_given? ? instance_eval(&block) : value end