#27864: Limit the number of terms in an admin search
--------------------------------------+------------------------------------
Reporter: VINAY KUMAR SHARMA | Owner: nobody
Type: Cleanup/optimization | Status: new
Component: contrib.admin | Version: 1.8
Severity: Normal | Resolution:
Keywords: mysql | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by Anton Samarchyan:
Old description:
> Found this bug when searching with long string:
>
> OperationalError at /posts/posts
>
> (1116, 'Too many tables; MySQL can only use 61 tables in a join')
>
> {{{
> Request URL:
> http://cms.example.com/posts/posts/?q=Deliverable++TRC+Promo+%282+Options%29+Visual+Snapshot++%28Montage%29+How+do+you+know+your+reward+Strategy+is+working%3F+Masterclass%3A+Consumerization+of+Total+Rewards%3A+Superhero%27s+Toolkit+Alignment%2C+Management+and+Governance+of+%E2%80%98Executive+Pay%E2%80%99+and+Long+Term+Incentives+Award+Ceremony%3A+League+Awards+-Total+Rewards+2017+%22Masterclass%3AMotivating+your+Internal+Customers++Part+II%3A+A+Communication+Toolkit+by+Preeti+Gupta%2C+Aditya+Birla+Group
> }}}
>
> I've created an CMS system using Django Admin, where models Posts is in
> app Posts.
>
> Model Posts has an **M2M** field `authors`, and this field I've included
> in search for `admin.ModelAdmin`:
>
> e.g here:
>
> {{{
> # models.py
> @python_2_unicode_compatible
> class Posts(models.Model):
> id = models.AutoField(primary_key=True, db_column='article_id')
> #
> # ... other fields ...
> #
> # Related M2M/Foreign Key fields
> authors = models.ManyToManyField(Author, through='PostAuthors',
> through_fields=('post', 'author'))
> subcategories = models.ManyToManyField(SubCategory,
> through='PostSubcategory',
> through_fields=('post',
> 'subcategory'))
>
> # admin.py
> @admin.register(Posts)
> class PostsAdmin(admin.ModelAdmin):
> actions = [delete_selected, republish_selected, add_to_top_stories]
> list_per_page = ADMIN_LIST_PER_PAGE
> list_filter = [PostTypeListFilter, 'datetime', 'is_active',
> 'is_deleted']
> search_fields = ['authors__name', 'title']
> }}}
New description:
Found this bug when searching with long string:
OperationalError at /posts/posts
(1116, 'Too many tables; MySQL can only use 61 tables in a join')
{{{
Request URL:
http://cms.example.com/posts/posts/?q=Deliverable++TRC+Promo+%282+Options%29+Visual+Snapshot++%28Montage%29+How+do+you+know+your+reward+Strategy+is+working%3F+Masterclass%3A+Consumerization+of+Total+Rewards%3A+Superhero%27s+Toolkit+Alignment%2C+Management+and+Governance+of+%E2%80%98Executive+Pay%E2%80%99+and+Long+Term+Incentives+Award+Ceremony%3A+League+Awards+-Total+Rewards+2017+%22Masterclass%3AMotivating+your+Internal+Customers++Part+II%3A+A+Communication+Toolkit+by+Preeti+Gupta%2C+Aditya+Birla+Group
}}}
I've created a CMS system using Django Admin, where models Posts is in app
Posts.
Model Posts has an **M2M** field `authors`, and this field I've included
in search for `admin.ModelAdmin`:
e.g here:
{{{
# models.py
@python_2_unicode_compatible
class Posts(models.Model):
id = models.AutoField(primary_key=True, db_column='article_id')
#
# ... other fields ...
#
# Related M2M/Foreign Key fields
authors = models.ManyToManyField(Author, through='PostAuthors',
through_fields=('post', 'author'))
subcategories = models.ManyToManyField(SubCategory,
through='PostSubcategory',
through_fields=('post',
'subcategory'))
# admin.py
@admin.register(Posts)
class PostsAdmin(admin.ModelAdmin):
actions = [delete_selected, republish_selected, add_to_top_stories]
list_per_page = ADMIN_LIST_PER_PAGE
list_filter = [PostTypeListFilter, 'datetime', 'is_active',
'is_deleted']
search_fields = ['authors__name', 'title']
}}}
--
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Ticket URL: <https://code.djangoproject.com/ticket/27864#comment:7>
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