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Re: Higher TOAST compression.

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
Cc: "Laurent Laborde" <kerdezixe(at)gmail(dot)com>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Higher TOAST compression.
Date: 2009-07-22 15:25:42
Message-ID: 4A66E9260200002500028B99@gw.wicourts.gov (view raw or flat)
Thread:
Lists: pgsql-hackers
Sorry I responded that quickly this early.  I keep having additional
thoughts....
 
"Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> wrote: 
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
 
>> And especially, how could you have per-column targets?
 
> Yeah, this would have to be done by table, not by column.
 
If we had an optional two targets by column, we could pass any columns
with such targets as a "step 0", before starting the tuple size
checks.  I think that makes sense, so I'm flip-flopping on that as a
possibility.
 
Now, whether that's overkill is another question.
 
-Kevin

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