#32752: Annotation yields ProgrammingError error when migrating from 2.2 to 3.x
-----------------------------------------+------------------------
Reporter: mjvkeulen | Owner: nobody
Type: Bug | Status: new
Component: Uncategorized | Version: 3.2
Severity: Normal | 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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I am in the process of migrating from Django 2.2 to 3.2. After fixing most
deprecation issues, an annotation I rely on throughout my project is
throwing a syntax error.
This is a bit of a mystery to me since the upgrade path lists nothing on
this topic. Also, it does not appear to matter which 3.x version I use,
BUT this annotation has worked throughout most of 2.2.x's versions.
{{{
Journal.objects.annotate(
p_user=F('assignment__courses__participation__user'),
can_have_journal=F('assignment__courses__participation__role__can_have_journal'),
).filter(
Q(assignment__is_group_assignment=True) |
Q(p_user__in=F('authors__user'), can_have_journal=True),
)
}}}
Here is a diff of the generated SQL: https://www.diffchecker.com/fjlO30AD
This is the errror:
{{{
django.db.utils.ProgrammingError: syntax error at or near
"VLE_assignmentparticipation""
LINE 1: ...ave_journal" AND "VLE_participation"."user_id" IN "VLE_assig...
}}}
Part of the trace:
{{{
venv/lib/python3.8/site-packages/django/db/models/query.py:317: in
__getitem__
qs._fetch_all()
venv/lib/python3.8/site-packages/django/db/models/query.py:1324: in
_fetch_all
self._result_cache = list(self._iterable_class(self))
venv/lib/python3.8/site-packages/django/db/models/query.py:51: in __iter__
results = compiler.execute_sql(chunked_fetch=self.chunked_fetch,
chunk_size=self.chunk_size)
venv/lib/python3.8/site-packages/django/db/models/sql/compiler.py:1169: in
execute_sql
cursor.execute(sql, params)
venv/lib/python3.8/site-
packages/sentry_sdk/integrations/django/__init__.py:434: in execute
return real_execute(self, sql, params)
venv/lib/python3.8/site-packages/django/db/backends/utils.py:66: in
execute
return self._execute_with_wrappers(sql, params, many=False,
executor=self._execute)
venv/lib/python3.8/site-packages/django/db/backends/utils.py:75: in
_execute_with_wrappers
return executor(sql, params, many, context)
venv/lib/python3.8/site-packages/django/db/backends/utils.py:84: in
_execute
return self.cursor.execute(sql, params)
venv/lib/python3.8/site-packages/django/db/utils.py:90: in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
}}}
I attempted to dress down our repo so it would be more straightforward to
reproduce the issue: https://github.com/eJourn-al/bug_report
The single test should pass on Django 2.2.x and fail from Django 3.x.
--
Ticket URL: <https://code.djangoproject.com/ticket/32752>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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