I am not sure if I shall use single table inheritance, or something
else.

I have a model called horses, in that I have the columns mother_id and
father_id where I of course intend to store the id of that horses
mother and father. By that information alone I want to create a
relation in the horses model for any horse to its mother and father. I
wish to write something like @horse.mother.name

I can't understand what to do with the type column in this case. This
should really be quite simple I guess.

Would appreciate some help.

Thanks

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