fix collisions with projected columns and order by columns#108

timgraham merged 2 commits intomongodb:mainmongodb/django-mongodb-backend:mainfrom

WaVEV:fix-collisions-with-columns-and-order-by-columnsWaVEV/django-mongodb-backend:fix-collisions-with-columns-and-order-by-columnsCopy head branch name to clipboard