#30630: MemoryError raised by inspectdb executed on Oracle 12c database
-------------------------------------+-------------------------------------
Reporter: | Owner: nobody
AlexanderRavenheart |
Type: Bug | Status: new
Component: Database | Version: 2.2
layer (models, ORM) |
Severity: Normal | Keywords:
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
These are the queries being executed before the crash:
{{{#!python
Query: ALTER SESSION SET NLS_TERRITORY = 'AMERICA'
Params: []
Query: ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS'
NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF' TIME_ZONE = 'UTC'
Params: []
Query: SELECT 1 FROM DUAL WHERE DUMMY LIKE TRANSLATE(:arg0 USING
NCHAR_CS) ESCAPE TRANSLATE('\' USING NCHAR_CS)
Params: {':arg0': 'X'}
}}}
This is the traceback output in the command line:
{{{#!python
Traceback (most recent call last):
File ".\manage.py", line 17, in <module>
execute_from_command_line(sys.argv)
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\core\management\__init__.py", line 381, in
execute_from_command_line
utility.execute()
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\core\management\__init__.py", line 375, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\core\management\base.py", line 323, in run_from_argv
self.execute(*args, **cmd_options)
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\core\management\base.py", line 364, in execute
output = self.handle(*args, **options)
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\core\management\commands\inspectdb.py", line 34, in handle
for line in self.handle_inspection(options):
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\core\management\commands\inspectdb.py", line 47, in
handle_inspection
with connection.cursor() as cursor:
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\db\backends\base\base.py", line 256, in cursor
return self._cursor()
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\db\backends\base\base.py", line 233, in _cursor
self.ensure_connection()
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\db\backends\base\base.py", line 217, in ensure_connection
self.connect()
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\db\backends\base\base.py", line 197, in connect
self.init_connection_state()
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\db\backends\oracle\base.py", line 259, in
init_connection_state
['X'])
File "D:\Rudi\Workspace\Visual Studio\PTT Lite\env\lib\site-
packages\django\db\backends\oracle\base.py", line 510, in execute
return self.cursor.execute(query, self._param_generator(params))
MemoryError
}}}
The SELECT query returns 1 as a result if executed in Oracle SQL Developer
so I assume the error is not in the execution of that command.
I don't know if it's a bug in Django, cx-Oracle or at some other level or
if it's a configuration issue and have no clue how to proceed.
Database information:
- Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit
Production
- PL/SQL Release 12.1.0.2.0 - Production
- "CORE 12.1.0.2.0 Production"
- TNS for Linux: Version 12.1.0.2.0 - Production
- NLSRTL Version 12.1.0.2.0 - Production
Environment:
- Python 3.7.4 64-bit
- cx-Oracle 7.2.0
- Oracle Instant Client Base Windows x64 version 19.3 (zip format)
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