#34492: I get an error when using BinaryField in sqllite3.
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Reporter: Taikono-Himazin | Owner: nobody
Type: Uncategorized | Status: new
Component: Database layer | Version: 3.2
(models, ORM) |
Severity: Normal | Resolution:
Keywords: BinaryField | 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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Description changed by Taikono-Himazin:
Old description:
> I'm working with data in Blobs in sqlite. It is purely binary (like an
> image for example) and not information that can be converted to a string.
> When I get that data through django's model, I get the following error:
>
> {{{
> File "\site-packages\django\db\models\query.py", line 674, in first
> for obj in (self if self.ordered else self.order_by('pk'))[:1]:
> File "\site-packages\django\db\models\query.py", line 280, in __iter__
> self._fetch_all()
> File "\site-packages\django\db\models\query.py", line 1324, in
> _fetch_all
> self._result_cache = list(self._iterable_class(self))
> File "\site-packages\django\db\models\query.py", line 51, in __iter__
> results = compiler.execute_sql(chunked_fetch=self.chunked_fetch,
> chunk_size=self.chunk_size)
> File "\site-packages\django\db\models\sql\compiler.py", line 1175, in
> execute_sql
> cursor.execute(sql, params)
> File "\site-packages\django\db\backends\utils.py", line 98, in execute
> return super().execute(sql, params)
> File "\site-packages\django\db\backends\utils.py", line 66, in execute
> return self._execute_with_wrappers(sql, params, many=False,
> executor=self._execute)
> File "\site-packages\django\db\backends\utils.py", line 75, in
> _execute_with_wrappers
> return executor(sql, params, many, context)
> File "\site-packages\django\db\backends\utils.py", line 84, in _execute
> return self.cursor.execute(sql, params)
> File "\site-packages\django\db\utils.py", line 90, in __exit__
> raise dj_exc_value.with_traceback(traceback) from exc_value
> File "\site-packages\django\db\backends\utils.py", line 84, in _execute
> return self.cursor.execute(sql, params)
> File "\site-packages\django\db\backends\sqlite3\base.py", line 423, in
> execute
> return Database.Cursor.execute(self, query, params)
> django.db.utils.OperationalError: Could not decode to UTF-8 column
> 'msrepl_synctran_ts' with text ''
> }}}
>
> I researched quite a bit about this, but there wasn't much information on
> the internet.
> Please suggest me a workaround.
> I don't want the msrepl_synctran_ts data to be editable in django's
> model.
New description:
I'm working with data in Blobs in sqlite. It is purely binary (like an
image for example) and not information that can be converted to a string.
When I get that data through django's model, I get the following error:
{{{
File "\site-packages\django\db\models\query.py", line 674, in first
for obj in (self if self.ordered else self.order_by('pk'))[:1]:
File "\site-packages\django\db\models\query.py", line 280, in __iter__
self._fetch_all()
File "\site-packages\django\db\models\query.py", line 1324, in
_fetch_all
self._result_cache = list(self._iterable_class(self))
File "\site-packages\django\db\models\query.py", line 51, in __iter__
results = compiler.execute_sql(chunked_fetch=self.chunked_fetch,
chunk_size=self.chunk_size)
File "\site-packages\django\db\models\sql\compiler.py", line 1175, in
execute_sql
cursor.execute(sql, params)
File "\site-packages\django\db\backends\utils.py", line 98, in execute
return super().execute(sql, params)
File "\site-packages\django\db\backends\utils.py", line 66, in execute
return self._execute_with_wrappers(sql, params, many=False,
executor=self._execute)
File "\site-packages\django\db\backends\utils.py", line 75, in
_execute_with_wrappers
return executor(sql, params, many, context)
File "\site-packages\django\db\backends\utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "\site-packages\django\db\utils.py", line 90, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "\site-packages\django\db\backends\utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "\site-packages\django\db\backends\sqlite3\base.py", line 423, in
execute
return Database.Cursor.execute(self, query, params)
django.db.utils.OperationalError: Could not decode to UTF-8 column
'msrepl_synctran_ts' with text ''
}}}
I researched quite a bit about this, but there wasn't much information on
the internet.
Please suggest me a workaround.
I don't need the msrepl_synctran_ts data to be visible/editable in the
django model. I just want to load a model with a column called
msrepl_synctran_ts.
--
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Ticket URL: <https://code.djangoproject.com/ticket/34492#comment:2>
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