From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
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To: | Josh Berkus <josh(at)agliodbs(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org, Bruce Momjian <bruce(at)momjian(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
Subject: | Re: Simple Column reordering |
Date: | 2007-02-26 20:47:31 |
Message-ID: | 45E34763.9080009@dunslane.net |
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Thread: | |
Lists: | pgsql-hackers |
Josh Berkus wrote:
> For my part, I continue to the interested in this proposal and would like to
> see some performance benchmarks on it. If there is enough performance gain,
> I think it would be possible to implement a "logical" order which was
> different from the "physical" order. Such a feature would also allow us to
> give the MySQLites the ability to re-order columns they keep asking for.
>
>
That is indeed what has been proposed (see earlier discussion re Tom's 3
numbers idea). Simon's proposal would not have done that, however, but
would simply have mutated the (single physical+logical) column order.
Anyway, I think we're all (or mostly all) on the same page now.
cheers
andrew
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