Only add the _type key to inherited classes when they have the same collection as their parent. Classes with a different collection name don't need the SCI keys. Ref: https://groups.google.com/forum/?hl=en%3Fhl%3Den#!topic/mongomapper/2ZilWUrlGdw
Only add the _type key to inherited classes when they have the same collection as their parent. Classes with a different collection name don't need the SCI keys. Ref: https://groups.google.com/forum/?hl=en%3Fhl%3Den#!topic/mongomapper/2ZilWUrlGdw

dhemmat/mongomapper,mongomapper/mongomapper,kachick/mongomapper