From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Marti Raudsepp <marti(at)juffo(dot)org> |
Cc: | KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [PATCH] Return command tag 'REPLACE X' for CREATE OR REPLACE statements. |
Date: | 2011-01-14 23:45:57 |
Message-ID: | AANLkTikVmBshatVrAB5qdrDcXJKaXhc2bjwvND-cV8_f@mail.gmail.com |
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Lists: | pgsql-hackers |
On Fri, Jan 14, 2011 at 3:45 PM, Marti Raudsepp <marti(at)juffo(dot)org> wrote:
> There's a similar case with CREATE TABLE IF NOT EXISTS, maybe this is
> worth covering in an updated patch too?
> And if I change that, people might expect the same from DROP X IF EXISTS too?
It's far less clear what you'd change those cases to say, and they
already emit a NOTICE, so it seems unnecessary.
>> Also, I don't really like the way this spreads knowledge of the
>> completionTag out all over the backend. I think it would be better to
>> follow the existing model used by the COPY and COMMIT commands,
>> whereby the return value indicates what happened and
>> standard_ProcessUtility() uses that to set the command tag.
>
> Right. I created this pattern after PerformPortalFetch() which already
> took a completionTag argument. But your approach seems more
> reasonable.
OK.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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