Invalid Single-table Inheritance Type Is Not A Subclass Of (DIY Project Download)

invalid single-table inheritance type is not a subclass of 1

(Invalid single-table inheritance type: HOME is not a subclass of Quotes). This is my first time using single table inheritance. There is an Error: Invalid single-table inheritance type: News is not a subclass of Post. Sets the attribute used for single table inheritance to this class name if this is not the ActiveRecord::Base descendant.

invalid single-table inheritance type is not a subclass of 2ActiveRecord::SubclassNotFound: The single-table inheritance mechanism failed to locate the subclass. This error is raised because the column ‘type’ is reserved for storing the class in case of inheritance. Invalid single-table inheritance type: hoge is not a subclass of Product. This is my first real-life attempt at implementing an STI pattern, so please leave a comment if you feel that I omitted something or if you know of another way to approach one of these issues.

Invalid single-table inheritance type: 1 is not a subclass of,. Can someone explain why we can’t add the type during the migration. This error is raised because the column ‘type’ is reserved for storing the class in case of inheritance. Please rename this column if you didn’t intend it to be used for storing the inheritance class or overwrite MyParentClass.inheritance_column to use another column for that information.

Activerecord:subclassnotfound: The Single-table Inheritance Mechanism Failed To Locate The Subclass

invalid single-table inheritance type is not a subclass of 3STI tables have a tendency to grow and expand as an application develops, and become intimidating and unweildy as it isn t clear which columns belong to which models. Every index has to reference the type column, and you end up with indexes that are only relevant for a certain type. For instance, Image, Audio, Video, etc subclass Media. Or at least, certainly not any more than any other table in a Rails app. Invalid single-table inheritance type: 1 is not a subclass of. Rails(ruby) type.

Invalid Single-table Inheritance Type: 1 Is Not A Subclass