django-aggregation
Django aggregation in templates?
I\'m thinking a bit about the concept of Django aggregates. I don\'t quite \"get\" how they can be used in my case. Basically i have a three-tier hierarchy of objects in my model, and the lowest objec[详细]
2022-12-28 23:44 分类：问答Django model manager didn't work with related object when I do aggregated query
I\'m having trouble doing an aggregation query on a many-to-many related field. Here are my models: class SortedTagManager(models.Manager):[详细]
2022-12-27 07:47 分类：问答ProgrammingError when aggregating over an annotated & grouped Django ORM query
I\'m trying to construct a query to get the \"average, maximum and minimum number of items purchased per user\".[详细]
2022-12-25 02:42 分类：问答Django: get aggregated value of two multiplied columns
开发者_JAVA技巧I need to get aggregated value of two columns. So first multiple them together and then get theirs sum(). Code below naturally does not work, it is just for clarification.[详细]
2022-12-13 12:01 分类：问答How to obtain a count of objects per auth.user?
I have a Project model similar to: class Project(models.Model): ... lead_analyst=models.ForeignKey(User, related_name=\'lead_analyst\')[详细]
2022-12-10 04:29 分类：问答How to create annotation on filtered data in Django ORM?
I have the following models: class ApiUser(models.Model): apikey = models.CharField(max_length=32, unique=True)[详细]
2022-12-09 01:14 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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