#34955: Make available the string concatenation operator `||` for PostgreSQL
-------------------------------------+-------------------------------------
Reporter: Paolo Melchiorre | Owner: nobody
Type: New feature | Status: new
Component: Database layer | Version: dev
(models, ORM) |
Severity: Normal | Resolution:
Keywords: field, database, | Triage Stage:
generated, output_field | Unreviewed
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 Mariusz Felisiak):
If casting to text data-type fixes the issue then I'd consider documenting
this workaround instead of adding a PostgreSQL-specific function (where
text casting would still be required). For example, adding the following
sentence:
''"In order to make an `IMMUTABLE` expression `MUTABLE` on PostgreSQL,
you can wrap the expression with `Cast()`, e.g.
`Cast(Concat(F("first_name"), Value(" "), F("last_name")),
TextField())`."''
in the warning about `IMMUTABLE` functions on PostgreSQL.
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Ticket URL: <https://code.djangoproject.com/ticket/34955#comment:8>
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