From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
---|---|
To: | Isaac Morland <isaac(dot)morland(at)gmail(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Álvaro Herrera <alvherre(at)kurilemu(dot)de>, Kirill Reshke <reshkekirill(at)gmail(dot)com>, Ziga <ziga(at)ljudmila(dot)org>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Retail DDL |
Date: | 2025-08-18 14:57:35 |
Message-ID: | 47a8bc73-1237-4122-959c-b0910bd4b712@dunslane.net |
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Lists: | pgsql-hackers |
On 2025-08-18 Mo 10:39 AM, Isaac Morland wrote:
> On Mon, 18 Aug 2025 at 10:32, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
>
> > 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.
>
> Agreed it's not simple, but that doesn't mean we should not do it.
> Tables are the most obviously complex case. I'm inclined to say
> foreign
> keys to but not from, and also include indexes. But maybe we can
> provide
> several flavors, by allowing some function options, e.g.
>
>
> Are you sure you don't mean from but not to?
>
> If I want foreign keys from a table when looking at that table's
> definition, they can be part of a single CREATE TABLE statement. If I
> want foreign keys to that table, I need a bunch of ALTER TABLE
> statements naming the other tables whose foreign keys point at the
> table in question.
Sorry. I mean FK constraints on the table in question. I guess that's
"from but not to", yes.
cheers
andrew
--
Andrew Dunstan
EDB:https://www.enterprisedb.com
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