#34544: models.TextField with =None filter throws Error for Oracle
-------------------------------------+-------------------------------------
Reporter: | Owner: nobody
msmitherdc |
Type: Bug | Status: new
Component: Database | Version: 4.2
layer (models, ORM) |
Severity: Normal | Keywords: Oracle isnull lob
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
Model contains
somefield = models.TextField(
blank=True, null=True
)
At 4.1.9:
{{{
print(MyModel.objects.filter(somefield=None).only('id').query)
}}}
{{{
SELECT "TNAME_MYMODEL"."ID" FROM "TNAME_MYMODEL" WHERE
"TNAME_MYMODEL"."SOMEFIELD" IS NULL
}}}
works
At 4.2.0:
{{{
print(MyModel.objects.filter(somefield=None).only('id').query)
}}}
{{{
SELECT "TNAME_MYMODEL"."ID" FROM "TNAME_MYMODEL" WHERE
DBMS_LOB.SUBSTR("TNAME_MYMODEL"."SOMEFIELD") IS NULL
DatabaseError: ORA-06502: PL/SQL: numeric or value error: character string
buffer too small
ORA-06512: at line 1
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/34544>
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