ActiveRecord UnknownPrimaryKey class UnknownPrimaryKey Ruby on Rails 4.0.13 Since v3.1.12 Available in: v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2 Compare with: (choosing a version navigates to the comparison) Choose a version v3.1.12 · same v3.2.22.5 · same v4.1.16 · changed v4.2.9 · changed v5.2.8.1 · changed v6.0.6 · changed v6.1.7.10 · changed v7.0.10 · changed v7.1.6 · changed v7.2.3 · changed v8.0.4 · changed v8.1.2 · changed Raised when a primary key is needed, but there is not one specified in the schema or model. Inherits from ActiveRecord::ActiveRecordError Attributes ActiveRecord::UnknownPrimaryKey#model Methods (defined here) self. new On this page Attributes Methods Support Bug Reports can be filed for the Ruby on Rails project on GitHub. Feature requests should be discussed on the rubyonrails-core forum. License Released under the MIT license.
