#34544: models.TextField with =None filter throws Error for Oracle
-------------------------------------+-------------------------------------
Reporter: Michael D. Smith | Owner: Jatin-tec
Type: Bug | Status: closed
Component: Database layer | Version: 4.2
(models, ORM) |
Severity: Normal | Resolution: needsinfo
Keywords: Oracle isnull lob | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Michael D. Smith):
unfortunately, we are on python 3.11 and cx-Oracle won't run. But its
reproducible at the db level from the generated query:
{{{
Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.17.0.0.0
SQL> SELECT "CLOBBUGAPP_MYTILE"."ID", "CLOBBUGAPP_MYTILE"."NAME",
"CLOBBUGAPP_MYTILE"."METADATA" FROM "CLOBBUGAPP_MYTILE" WHERE
DBMS_LOB.SUBSTR("CLOBBUGAPP_MYTILE"."METADATA") IS NULL
2 ;
ERROR:
ORA-06502: PL/SQL: numeric or value error: character string buffer too
small
ORA-06512: at line 1
no rows selected
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/34544#comment:10>
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