#32876: The parametered `all` is not preserved after save object in django
admin.
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Reporter: A-hông | Owner: nobody
Type: Uncategorized | Status: closed
Component: contrib.admin | Version: 3.2
Severity: Normal | Resolution: invalid
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Old description:
> 1. Login in django admin
> 2. Enter a changelist page of model
> 3. Order by a column in changelist page
> 4. Display all in changelist page
> 5. Enter change form page
> 6. Save
> 7. The order is keeped but `all` is disappeared
New description:
1. Login in django admin
2. Enter a changelist page of model
3. Order by a column in changelist page
4. Display all in changelist page
5. Enter change form page
6. Save
7. The order is kept but `all` is disappeared
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Comment (by A-hông):
`q`(query), `o`(order) and `all`(display all) can be set at the same time.
`q`(query) and `o`(order) are kept but `all`(display all) not, when from
change form back to changelist.
`all` should be kept in the fillter of changelist.
I found
[https://github.com/django/django/blob/1bbb98d9a4b7d83e422b14ae2429cb368eff5a13/django/contrib/admin/templatetags/admin_urls.py#L42
parse_qsl in admin_urls.py] will remove the keys which has no value.
> from urllib.parse import parse_qsl, unquote, urlparse, urlunparse
> parse_qsl('q=2&all=')
> => [('q', '2')]
It is why `all`(display all) cannot be kept.
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Ticket URL: <https://code.djangoproject.com/ticket/32876#comment:2>
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