django-q
Is there way to construct a Q object, that represents a EmptyQueryset, i.e. that always returns an empty result?
In django I want to retrieve objects from the database depending on the attributes of some other objects. If one of the other objects doesn\'t exist, it should not influence the result of the query. T[详细]
2023-02-17 06:24 分类:问答When Django's ORM Uses Q?
I am trying to use Django\'s Q functionality to generate some AND and OR SQL queries, but unfortunately I can\'t seem to figure out how and when Django generates it\'s conditionals. I had a more compl[详细]
2023-02-09 03:41 分类:问答Request whith Q() object
There is code and Tracebeck. What I\'m doing wrong? media=MediaObject.objects.get( Q(on_air__range=(strt_time,end_time)),[详细]
2023-01-09 02:05 分类:问答Django search for strings containing spaces
I have a seach by name function, which should return the name of one person, if the search matches the first name or the last name. The problem is that if i search for strings like \'firstname lastnam[详细]
2023-01-05 09:40 分类:问答Strange behavior with complex Q object filter queries in Django
Hi I am trying to write a tagging system for Django, but today I encountered a strange behavior in filter or the Q object (django.db.models.Q).[详细]
2022-12-28 11:59 分类:问答Win11怎么调整任务栏大小?
Win11怎么调整任务栏大小?任务栏空间在默认的情况下是非常小的,使用起来极其不方便,开发者_JAVA技巧那么能将它的空间调大吗?下面是小编整理的相关调整方案,大家可以参考一下。[详细]
2022-12-25 11:44 分类:问答Control Query set in Django (filter,object Q)?
Base On URL querydict = {customer_type:val1,tag:[], city:[],last_contact:valdate} show/?customer_type=All&tag=2,3&city=3&last_contact=29/12/2009[详细]
2022-12-15 05:43 分类:问答filter using Q object with dynamic from user?
In my views.py I have a method: #...... def get_filter_result(self, customer_type, tag_selected): list_customer_filter=[][详细]
2022-12-14 23:09 分类:问答