#27977: inspectdb errors after upgrade to Oracle 12.1
-------------------------------------+-------------------------------------
Reporter: JorisBenschop | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.10
(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
-------------------------------------+-------------------------------------
Comment (by JorisBenschop):
{{{
SELECT LOWER(uic1.column_name) AS column_name,
CASE user_constraints.constraint_type
WHEN 'P' THEN 1 ELSE 0
END AS is_primary_key,
CASE user_indexes.uniqueness
WHEN 'UNIQUE' THEN 1 ELSE 0
END AS is_unique
FROM user_constraints, user_indexes, user_ind_columns uic1
WHERE user_constraints.constraint_type (+) = 'P'
AND user_constraints.index_name (+) = uic1.index_name
AND user_indexes.uniqueness (+) = 'UNIQUE'
AND user_indexes.index_name (+) = uic1.index_name
AND uic1.table_name = UPPER(:arg0)
AND uic1.column_position = 1
AND NOT EXISTS (
SELECT 1
FROM user_ind_columns uic2
WHERE uic2.index_name = uic1.index_name
AND uic2.column_position = 2
)
}}}
cursor.bindvars
[<cx_Oracle.STRING with value 'auth_group'>]
cursor.description
[('COLUMN_NAME', <class 'cx_Oracle.STRING'>, 4000, 12000, None, None, 1),
('IS_PRIMARY_KEY', <class 'cx_Oracle.NUMBER'>, 127, None, None, None, 1),
('IS_UNIQUE', <class 'cx_Oracle.NUMBER'>, 127, None, None, None, 1)]
then in backends/oracle/base/_rowfactory the second item is processed
('IS_PRIMARY_KEY', <class 'cx_Oracle.NUMBER'>, 127, None, None, None, 1)
{{{
precision, scale = desc[4:6]
...
elif precision > 0
}}}
But the cursor.description coming from Oracle say that precision and scale
are None, so we crash.
for completeness:
{{{
import cx_Oracle
cx_Oracle.__version__
'5.3'
}}}
hope this helps
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Ticket URL: <https://code.djangoproject.com/ticket/27977#comment:1>
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