On 2022-02-10 16:13:33 -0500, Bruce Momjian wrote:
> On Thu, Feb 10, 2022 at 06:25:45PM +0100, Peter J. Holzer wrote:
> > On 2022-02-10 18:22:29 +0100, Peter J. Holzer wrote:
> > > On 2022-02-09 21:14:39 -0800, Guyren Howe wrote:
> > > > • SELECT * - b.a_id from a natural join b
> > >
> > > My use case for such a feature are tables which contain one column (or a
> > > small number of columns) which you usually don't want to select: A bytea
> > > column or a very wide text column. In a program I don't mind (in fact I
> > > prefer) listing all the columns explicitely, but exploring a database
> > > interactively with psql typing lots of column names is tedious
> > > (especially since autocomplete doesn't work here).
> >
> > Forgot to add: I think that the syntax would have to be more explicit.
[...]
> > Maybe
> > SELECT * EXCEPT b.a_id FROM ...
>
> Yes, this was proposed on hackers a few months ago and a patch was
> proposed:
>
> https://www.postgresql.org/message-id/flat/892708.1634233481%40sss.pgh.pa.us#1f17923ad50a1442867162991c54ead9
Interesting idea, but quite different, actually: That puts the exclusion
into the table definition instead of the query.
But I think if I want to bake that into my data model I'll just use a
view.
But that thread led me back to a discussion on this list from almost
exactly 2 years ago ...
hp
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_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | hjp@hjp.at | -- Charles Stross, "Creative writing
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