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Re: doc patch for savepoints

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org, Joseph Shraibman <jks(at)selectacast(dot)net>, pgsql-patches(at)postgresql(dot)org
Subject: Re: doc patch for savepoints
Date: 2006-11-27 22:54:50
Message-ID: 1164668090.6398.14.camel@localhost.localdomain (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
On Mon, 2006-11-27 at 17:48 -0500, Tom Lane wrote:
> Joseph Shraibman <jks(at)selectacast(dot)net> writes:
> > +   <para>
> > +    Savepoints use shared memory.  If you use many savepoints without 
> > releasing them, you
> > +    will run out of shared memory and you may see an error like this in 
> > your log:
> 
> I do not see the point of this.  Shall we put equivalent disclaimers
> into every single construct that consumes shared memory? 

Stating that it uses shared memory? Absolutely. Stating that you may run
out? No, that is implicit in that shared memory is a static value made
available to the operating system (well dynamic, but statically
configured).

Joshua D. Drake


>  There is no
> such paragraph under LOCK TABLE, for example.



> 
> 			regards, tom lane
> 
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