bellini666

/*
  Copyright (C) 2015 Thiago Bellini <[email protected]>

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of

bellini666

"""
This can be used to get the aggregated value of a field in a subquery, like:

  >>> comments_subquery = Comment.objects.filter(
  ...    post=OuterRef("pk"),
  ... )
  >>> posts = Post.objects.annotate(
  ...     most_recent_comment_date=MinSubquery(
  ...         comments_subquery.values("created_at"),
  ...         "created_at",