> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Tom Lane
> Sent: 03 October 2005 15:37
> To: Simon Riggs
> Cc: pgsql-hackers@postgresql.org; pgsql-patches@postgresql.org
> Subject: Re: [PATCHES] [HACKERS] External Sort timing debug 
> statements 
> 
> Simon Riggs <[EMAIL PROTECTED]> writes:
> > The following patch implements a fairly light set of timing 
> statements
> > aimed at understanding external sort performance. There is 
> no attempt to
> > alter the algorithms.
> 
> What do people think about putting something like this into 8.1?
> Strictly speaking it's a new feature, but the patch seems pretty
> noninvasive, and we'd be much more likely to get data points if the
> code exists in the mainline release than if people have to patch
> their copies.

Agreed.

> > postgres=# set debug_sort=true;
> 
> I'm a bit inclined to call it trace_sort instead, and to document it
> under "Developer Options".  Comments?

Sounds reasonable to me.

Regards, Dave.

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