Re: Column storage positions

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: "Florian G(dot) Pflug" <fgp(at)phlo(dot)org>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Phil Currier <pcurrier(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Column storage positions
Date: 2007-02-22 02:28:53
Message-ID: 45DCFFE5.9010406@dunslane.net
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elein wrote:
>
> The storage order is orthogonal to the display order. display order can be handled
> in attnum and the new storage order can be the new column.
>
>
>

If you review the earlier discussion you will see that it is proposed
(by Tom) to have 3 numbers (i.e. 2 new cols): an immutable id and
mutable storage/physical order and display/logical order.

cheers

andrew

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