| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | Dominique Devienne <ddevienne(at)gmail(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Non-Stored Generated Columns |
| Date: | 2024-02-28 16:59:29 |
| Message-ID: | c634fdaa0e1795a6bf5fa6528a5750fc1c54c127.camel@cybertec.at |
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| Lists: | pgsql-general |
On Wed, 2024-02-28 at 16:09 +0100, Dominique Devienne wrote:
> From https://www.postgresql.org/docs/16/ddl-generated-columns.html:
> > PostgreSQL currently implements only stored generated columns
>
> We use generated columns extensively.
> And we have foreign-keys attached to those generated columns.
> The fact they are always Stored thus wastes space in our case.
> Any chance PostgreSQL might gain actual virtual / non-stored generated columns soon? Ever?
>
> For reference, both Oracle and SQLite have virtual / non-stored columns.
> And both support FKs and indexes on those too.
> Would be great to have feature parity on this particular point, eventually.
Isn't almost all of that functionality covered by a view?
Yours,
Laurenz Albe
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