| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | tender wang <tndrwang(at)gmail(dot)com> |
| Cc: | Jehan-Guillaume de Rorthais <jgdr(at)dalibo(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [BUG] Fix DETACH with FK pointing to a partitioned table fails |
| Date: | 2023-08-07 11:25:04 |
| Message-ID: | 20230807112504.gg3nswmtq5xkzy3o@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2023-Aug-07, tender wang wrote:
> The foreign key still works even though partition was detached. Is this
> behavior expected?
Well, there's no reason for it not to, right? For example, if you
detach a partition and then attach it again, you don't have to scan the
partition on attach, because you know the constraint has remained valid
all along.
--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
"In fact, the basic problem with Perl 5's subroutines is that they're not
crufty enough, so the cruft leaks out into user-defined code instead, by
the Conservation of Cruft Principle." (Larry Wall, Apocalypse 6)
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