Re: Syscaches should store negative entries, too - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Syscaches should store negative entries, too
Date
Msg-id 200202012257.g11MvxG03697@candle.pha.pa.us
Whole thread Raw
In response to Syscaches should store negative entries, too  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
> > Actually, that is not our standard comment.  We want to give people a
> > limited set of meaningful options.  If then want billions of options,
> > they should use Oracle.  :-)
> 
> In that case we have to decide for the user for which case we optimize
> and give user suboptimal performanse for the _other_ case.

If we can't decide, and it is significant, we have to give any option,
but only if both are true.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026
 


pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: Array aggregation. Was: PostgreSQL Final Release ... Monday?
Next
From: Tom Lane
Date:
Subject: Re: Syscaches should store negative entries, too