queryset o que é code example

Example 1: queryset o que é

>>> Post.objects.order_by('created_date')
<QuerySet [<Post: Sample title>, <Post: Post number 2>, <Post: My 3rd post!>, <Post: 4th title of post>]>

Example 2: queryset o que é

>>> post.publish()

Example 3: queryset o que é

>>> Post.objects.filter(published_date__lte=timezone.now())
<QuerySet [<Post: Sample title>]>

Example 4: queryset o que é

>>> Post.objects.filter(title__contains='title')
<QuerySet [<Post: Sample title>, <Post: 4th title of post>]>

Example 5: queryset o que é

>>> Post.objects.filter(published_date__lte=timezone.now()).order_by('published_date')
<QuerySet [<Post: Post number 2>, <Post: My 3rd post!>, <Post: 4th title of post>, <Post: Sample title>]>

Example 6: queryset o que é

>>> Post.objects.filter(author=me)
<QuerySet [<Post: Sample title>, <Post: Post number 2>, <Post: My 3rd post!>, <Post: 4th title of post>]>

Example 7: queryset o que é

>>> Post.objects.order_by('-created_date')
<QuerySet [<Post: 4th title of post>,  <Post: My 3rd post!>, <Post: Post number 2>, <Post: Sample title>]>

Example 8: queryset o que é

>>> me = User.objects.get(username='ola')

Example 9: queryset o que é

>>> Post.objects.create(author=me, title='Sample title', text='Test')