Re: [EXTERNAL]: Re: [EXTERNAL]: Re: UPSERT in Postgres - Mailing list pgsql-general

From Peter J. Holzer
Subject Re: [EXTERNAL]: Re: [EXTERNAL]: Re: UPSERT in Postgres
Date
Msg-id 20230410144359.urna2n5lpun22eo4@hjp.at
Whole thread Raw
In response to Re: [EXTERNAL]: Re: [EXTERNAL]: Re: UPSERT in Postgres  (Karsten Hilbert <Karsten.Hilbert@gmx.net>)
List pgsql-general
On 2023-04-10 14:35:38 +0200, Karsten Hilbert wrote:
> All I really wanted to hint at is that "incoming call
> timestamp" may work pretty well in given settings but does
> not _always_ make for a "unique enough" key.

This is true for all natural primary keys: Any attribute of an entity
which is unique for a given application may not be unique for other
applications.

        hp

--
   _  | Peter J. Holzer    | Story must make more sense than reality.
|_|_) |                    |
| |   | hjp@hjp.at         |    -- Charles Stross, "Creative writing
__/   | http://www.hjp.at/ |       challenge!"

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