Django filter vs get in models

Question

Im a newbie to Django and would like to understand what is the difference between filter vs get

Get

Entry.objects.get(id__exact=14)

<

Answer 1

if you know it's one object that matches your query, use "get". It will fail if it's more       than one.
and gives the error like this
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/usr/local/lib/python2.7/dist-packages/django/db/models/manager.py", line 143, in         get
return self.get_query_set().get(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py", line 407, in get
(self.model._meta.object_name, num))
MultipleObjectsReturned: get() returned more than one Poll -- it returned 2!

otherwise use "filter", which gives you a list of objects.

Answer 2

To add to what others have said... (get returns exactly 1 record, while filter returns a set), an important thing to note is the type of the results.

get() returns an object, while filter returns a queryset type. This means you can do something like

age = User.objects.get(name="Ryan").age

Whereas if you were using filter, you'd need to do a couple extra steps:

ages = User.Objects.filter(name="ryan").values('age')
for user_age in users:
    print(user_age)

The important thing to note is that filter returns an iterable type with a values() method dictating which fields you want. Get simply returns an object with the fields as attributes, so it is much simpler to get the data you need.

Answer 3

the get only brings an element that is equal to what you're looking for but the filter brings everything related to that item you want.

filter returns many things found. get returns only one thing to what you're looking for

for example:

GET

Task.objects.get(id=1,status=1)

Filter

Groups.objects.filter(user=1)

Answer 4

Basically use get when you want to get a single unique object, and filter when you want to get all objects that match your lookup parameters

 __data = User.objects.get(is_active=1).exclude(id=id)

Error:get() returned more than one User -- it returned 19!, Type:<class 'django.contrib.auth.models.MultipleObjectsReturned'>

------successful-------

__data = User.objects.filter(is_active=1).exclude(id=id)

-------successful------

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