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db.models.Expression.get_group_by_cols()

get_group_by_cols()

Responsible for returning the list of columns references by this expression. get_group_by_cols() should be called on any nested expressions. F() objects, in particular, hold a reference to a column.

Links:

https://docs.djangoproject.com/en/1.10/ref/models/expressions/#django.db.models.Expression.get_group_by_cols

doc_Django

2016-10-09 18:35:19

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