Re: Retail DDL

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От Laurenz Albe
Тема Re: Retail DDL
Дата
Msg-id fc51c27e4c0dedf6e855ba74e5ceb3e0ef3fbdd5.camel@cybertec.at
обсуждение исходный текст
Ответ на Re: Retail DDL  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Mon, 2025-08-18 at 09:57 -0400, Tom Lane wrote:
> Jelte Fennema-Nio <postgres@jeltef.nl> writes:
>
> > I have wanted this MANY times. I've had this as a PG user: I think
> > it's literally the first thing I did when connecting to a Postgres
> > server the first time. Coming from MySQL, I wanted to see the exact
> > table definition, and there it was as easy as "DESCRIBE some_table".
>
> You haven't actually defined what "this" is.  For starters, do you
> really want this output to be included in \d?  Seems like one part
> or the other of such output would be clutter, so I'd be more minded
> to leave \d alone and invent some new command.  (By analogy to \sf,
> maybe \st and so on?)
>
> But the real issue is what to print.  In the case of a table, should
> we also show its indexes?  What about foreign keys to or from other
> tables?  If it's a partitioned table, what about the partitions?
> I'm not sure this is as simple as it seems.

Right, that is the hard problem.
We have had this discussion before, e.g. in
https://www.postgresql.org/message-id/flat/CAFEN2wxsDSSuOvrU03CE33ZphVLqtyh9viPp6huODCDx2UQkYA%40mail.gmail.com

Yours,
Laurenz Albe



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