| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, John Moore <postgres(at)tinyvital(dot)com>, Postgresql Admin <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: Performance impact of record sizes |
| Date: | 2002-07-16 04:49:00 |
| Message-ID: | 200207160449.g6G4n0l06741@candle.pha.pa.us |
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| Lists: | pgsql-admin |
Bruce Momjian wrote:
>
> I see in the data types section for character types this text:
>
> There are no performance differences between these three types,
> apart from the increased storage size when using the blank-padded
> type.
>
> I can't improve on that.
I added a mention of TOAST in the character data type docs:
Long values are also stored in background tables so they don't
interfere with rapid access to the shorter column values.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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