Toger#SQL group by realize in mongoDB aggregate
Toger#SQL group by realize in mongoDB aggregate

MarsBighead/mustang,MarsBighead/mustang,MarsBighead/mustang,MarsBighead/mustang,MarsBighead/mustang,MarsBighead/mustang,MarsBighead/mustang,MarsBighead/mustang,MarsBighead/mustang,MarsBighead/mustang