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Re: now() does not change within a transaction

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Christoph Haller <ch(at)rodos(dot)fzk(dot)de>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: now() does not change within a transaction
Date: 2002-04-18 15:50:57
Message-ID: 200204181550.g3IFovL13125@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-sql
Christoph Haller wrote:
> Hi pgsql-sql list, 
> I did some testing around tables using a column 
> timestamp with time zone not null default now(). 
> I have noticed a valuable feature: 
> As long as being inside a transaction initiated by 
> begin; 
> the return value of the now() function does not change. 
> Is this intended - as written in the documentation? 
> Can I rely on it, so future releases of PostgreSQL 
> will act the same. 

Yes, this is intended and will not change.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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