#23753: Provide a set of SQL functions
-------------------------------------+-------------------------------------
Reporter: jarshwah | Owner: jarshwah
Type: New feature | Status: new
Component: Database layer | Version: master
(models, ORM) |
Severity: Release blocker | Resolution:
Keywords: expressions | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by jarshwah):
The problem here is that NCLOB (TextField) and NCHAR (CharField) are too
different in Oracle terms, so the output of the expression with regards to
Oracle is not defined.
We should be able to solve this by wrapping CharField parts of the
expression in a TO_NCLOB(). If determining whether or not something is a
CharField is too difficult, then we can just wrap each expression part
inside a TO_NCLOB if self.output_field is a TextField.
I'll also add some additional tests which combine CharFields and
TextFields, where the CharFields are other expressions - like
Lower('charfield').
--
Ticket URL: <https://code.djangoproject.com/ticket/23753#comment:9>
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