#34480: Annotating with Chr raises ValueError
-------------------------------------+-------------------------------------
Reporter: Jacob Walls | Owner: Jacob
| Walls
Type: Bug | Status: assigned
Component: Database layer | Version: 4.2
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Description changed by Jacob Walls:
Old description:
> {{{
> >>> Author.objects.annotate(first_letter=Chr(Value(77)))
> File "/Users/.../geoguard/.venv/lib/python3.9/site-
> packages/django/db/models/expressions.py", line 369, in <lambda>
> else int(value)
> ValueError: invalid literal for int() with base 10: 'M'
> }}}
>
> I'm suggesting in `Chr` we can set `output_field = CharField()` to
> prevent this.
New description:
{{{
>>> Author.objects.annotate(first_letter=Chr(Value(77)))
File "/Users/.../.../.venv/lib/python3.9/site-
packages/django/db/models/expressions.py", line 369, in <lambda>
else int(value)
ValueError: invalid literal for int() with base 10: 'M'
}}}
I'm suggesting in `Chr` we can set `output_field = CharField()` to prevent
this.
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Ticket URL: <https://code.djangoproject.com/ticket/34480#comment:1>
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