Opened 18 years ago
Last modified 10 years ago
#1796 closed defect
"Cannot resolve keyword ___ into field" error when working with ManyToMany relation — at Initial Version
| Reported by: | anonymous | Owned by: | Adrian Holovaty |
|---|---|---|---|
| Component: | Database layer (models, ORM) | Version: | dev |
| Severity: | critical | Keywords: | |
| Cc: | simon@…, gabor@…, Maniac@…, freakboy3742@…, tom@…, rbreathe@…, pawel.kowalak@…, v.oostveen@…, mir@…, rudolph.froger@…, jhmsmits@…, bon_jovina@…, virtel@…, django@…, deadwisdom@…, yannvr@… | Triage Stage: | Accepted |
| Has patch: | no | Needs documentation: | no |
| Needs tests: | no | Patch needs improvement: | no |
| Easy pickings: | no | UI/UX: | no |
Description
Any attempt to get the related objects from a many to many relation using all() fails. For example the line
a1.primary_categories.all()
in tests/modeltests/m2m_multiple fails with the following error:
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "C:\Python24\lib\site-packages\django\db\models\query.py", line 88, in
repr
return repr(self._get_data())
File "C:\Python24\lib\site-packages\django\db\models\query.py", line 378, in _
get_data
self._result_cache = list(self.iterator())
File "C:\Python24\lib\site-packages\django\db\models\query.py", line 159, in i
terator
select, sql, params = self._get_sql_clause()
File "C:\Python24\lib\site-packages\django\db\models\query.py", line 392, in _
get_sql_clause
tables2, joins2, where2, params2 = self._filters.get_sql(opts)
File "C:\Python24\lib\site-packages\django\db\models\query.py", line 523, in g
et_sql
tables2, joins2, where2, params2 = val.get_sql(opts)
File "C:\Python24\lib\site-packages\django\db\models\query.py", line 572, in g
et_sql
return parse_lookup(self.kwargs.items(), opts)
File "C:\Python24\lib\site-packages\django\db\models\query.py", line 677, in p
arse_lookup
tables2, joins2, where2, params2 = lookup_inner(path, clause, value, opts, o
pts.db_table, None)
File "C:\Python24\lib\site-packages\django\db\models\query.py", line 780, in l
ookup_inner
raise TypeError, "Cannot resolve keyword '%s' into field" % name
TypeError: Cannot resolve keyword 'primary_article_set' into field