I\'ve got a Python/Django application which runs quite a lot of SQL statements.For debuggi开发者_运维问答ng purposes, I thought I should create a simple view for me which just lists all the SQL statem
I am not sure if the title makes any sense but here is the question. Context: I want to keep track of which students enter and leave a classroom, so that at any given time I can know who is inside th
Assume I have a such model: class Foo(models.Model): name = models.CharField(\"ad\",max_length=25) type = models.ForeignKey(开发者_StackOverflowType)
Short description: given a queryset myQueryset, how do I select max(\"myfield\") without actually retrieving all rows and doing max in python?
I have two models A and B. All B objects have a foreign key to an A object. Given a set of A objects, is there anyway to use the ORM to get a set of B ob开发者_运维技巧jects containing the most recent
I\'m trying to query an object and when I hard code the value it works but when I use a variable for it the query doesn\'t work.
I\'m trying to filter a table in Django based on the value of a particular field of a ForeignKey. For example, I have two models:
I need to add key/val开发者_如何转开发ue to queryset per each object based on stuff in request.session.
I have model like this: class Kaart(models.Model): name = models.CharField(max_length=200, verbose_name=\"Kaardi peakiri\", help_text=\"Sisesta kaardi pealkiri (maksimum tähemärkide arv on 38)\", b
I\'m rather stumped about the best way to build a Django query that checks if all the elements of a ManyToMany field (or a list) are present in another ManyToMany field.
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