| From: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "David E(dot) Wheeler" <david(at)justatheory(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Steve Rehfuss <steve(dot)rehfuss(at)iovation(dot)com> |
| Subject: | Re: CREATE TABLE IF NOT EXISTS AS |
| Date: | 2013-11-20 08:00:19 |
| Message-ID: | 528C6C13.1000209@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 11/20/2013 03:41 PM, Pavel Stehule wrote:
>
> It'd be great if there was a sane way to implement "CREATE OR REPLACE
> TABLE" - since that's what people really want a lot of the time. "Ensure
> that at the end of this command the table looks like this". There's just
> no sane way to do that for a non-empty table.
>
>
> I disagree - CREATE OR REPLACE FUNCTION has sense, because new function
> can has same interface (and will be overwriten) or different (and there
> will be two functions). So with CREATE OR REPLACE TABLE there are two
> new questions - has to new table respect original interface and what
> about content? I don't think so CREATE OR REPLACE TABLE is good idea.
Er, that's what I was saying. It'd be great if it were possible to do it
sanely, but it isn't.
--
Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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