#32411: JSONField filter icontains is case sensitive in mysql
-------------------------------------+-------------------------------------
Reporter: elonzh | Owner: nobody
Type: Bug | Status: new
Component: Database | Version: 3.1
layer (models, ORM) |
Severity: Normal | Keywords: JSONField
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
given model
{{{
class Paper(models.Model):
...
authors = models.JSONField(default=list)
...
}}}
{{{
In [53]: p = Paper.objects.get(id=1)
In [54]: p.__dict__
Out[54]:
{'_state': <django.db.models.base.ModelState at 0x7f2aa74b3790>,
'id': 1,
...
'authors': [{'name': 'Rehmann Kim-Thomas',
'workplace': 'SAP SE, Walldorf, Germany'},
{'name': 'Folkerts Enno', 'workplace': 'SAP SE, Walldorf, Germany'}],
...
}
In [55]: print(Paper.objects.filter(authors__icontains="rehmann").count())
0
In [56]: print(Paper.objects.filter(authors__icontains="Rehmann").count())
1
In [57]: print(Paper.objects.filter(authors__icontains="Rehmann").query)
SELECT `scholardata_paper`.`id`, `scholardata_paper`.`created`,
`scholardata_paper`.`modified`, `scholardata_paper`.`doi`,
`scholardata_paper`.`s2_id`, `scholardata_paper`.`wanfang_id`,
`scholardata_paper`.`corpus_id`, `scholardata_paper`.`pm_id`,
`scholardata_paper`.`arxiv_id`, `scholardata_paper`.`acl_id`,
`scholardata_paper`.`mag_id`, `scholardata_paper`.`language`,
`scholardata_paper`.`url`, `scholardata_paper`.`abstract`,
`scholardata_paper`.`title`, `scholardata_paper`.`authors`,
`scholardata_paper`.`keywords`, `scholardata_paper`.`issued`,
`scholardata_paper`.`venue`, `scholardata_paper`.`journal_id`,
`scholardata_paper`.`volume`, `scholardata_paper`.`issue`,
`scholardata_paper`.`page`, `scholardata_paper`.`references_count`,
`scholardata_paper`.`citations_count`, `scholardata_paper`.`refreshed`,
`scholardata_paper`.`references_refreshed`,
`scholardata_paper`.`citations_refreshed` FROM `scholardata_paper` WHERE
JSON_UNQUOTE(`scholardata_paper`.`authors`) LIKE %Rehmann% ORDER BY
`scholardata_paper`.`id` ASC
In [58]: print(Paper.objects.filter(authors__iregex="rehmann").count())
1
In [59]: print(Paper.objects.filter(authors__iregex="Rehmann").count())
1
In [60]: print(Paper.objects.filter(authors__iregex="Rehmann").query)
SELECT `scholardata_paper`.`id`, `scholardata_paper`.`created`,
`scholardata_paper`.`modified`, `scholardata_paper`.`doi`,
`scholardata_paper`.`s2_id`, `scholardata_paper`.`wanfang_id`,
`scholardata_paper`.`corpus_id`, `scholardata_paper`.`pm_id`,
`scholardata_paper`.`arxiv_id`, `scholardata_paper`.`acl_id`,
`scholardata_paper`.`mag_id`, `scholardata_paper`.`language`,
`scholardata_paper`.`url`, `scholardata_paper`.`abstract`,
`scholardata_paper`.`title`, `scholardata_paper`.`authors`,
`scholardata_paper`.`keywords`, `scholardata_paper`.`issued`,
`scholardata_paper`.`venue`, `scholardata_paper`.`journal_id`,
`scholardata_paper`.`volume`, `scholardata_paper`.`issue`,
`scholardata_paper`.`page`, `scholardata_paper`.`references_count`,
`scholardata_paper`.`citations_count`, `scholardata_paper`.`refreshed`,
`scholardata_paper`.`references_refreshed`,
`scholardata_paper`.`citations_refreshed` FROM `scholardata_paper` WHERE
REGEXP_LIKE(JSON_UNQUOTE(`scholardata_paper`.`authors`), Rehmann, 'i')
ORDER BY `scholardata_paper`.`id` ASC
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/32411>
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