Re: [GENERAL] CURRENT_TIMESTAMP - Mailing list pgsql-sql

From Ross J. Reedstrom
Subject Re: [GENERAL] CURRENT_TIMESTAMP
Date
Msg-id 20020924151003.GC7612@rice.edu
Whole thread Raw
In response to Re: [GENERAL] CURRENT_TIMESTAMP  (Roland Roberts <roland@astrofoto.org>)
Responses Re: [GENERAL] CURRENT_TIMESTAMP  (Roland Roberts <roland@astrofoto.org>)
List pgsql-sql
On Tue, Sep 24, 2002 at 10:55:41AM -0400, Roland Roberts wrote:
> >>>>> "Martijn" == Martijn van Oosterhout <kleptog@svana.org> writes:
> 
>     Martijn> Well, what I would suggest is that when you wrap several
>     Martijn> statements into a single transaction with begin/commit,
>     Martijn> the whole lot could be considered a single statement
>     Martijn> (since they form an atomic transaction so in a sense they
>     Martijn> are all executed simultaneously). And hence Postgresql is
>     Martijn> perfectly compliant.
> 
> FWIW, and not that I am an Oracle fan :-), Oracle seems to interpret
> this the same way when using a "select sysdate from dual" inside a
> transaction.

Oh, interesting datapoint. Let me get this clear - on oracle, the
equivalent of:

BEGIN;
SELECT current_timestamp;
<go off to lunch, come back>
SELECT current_timestamp;
END;

will give two identical timestamps?

Ross


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