| From: | Kris Jurka <books(at)ejurka(dot)com> |
|---|---|
| To: | Zeugswetter Andreas ADI SD <ZeugswetterA(at)spardat(dot)at> |
| Cc: | Phil Currier <pcurrier(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrew Dunstan <andrew(at)dunslane(dot)net>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Column storage positions |
| Date: | 2007-02-22 18:13:07 |
| Message-ID: | Pine.BSO.4.64.0702221310460.11771@leary.csoft.net |
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| Lists: | pgsql-hackers |
On Thu, 22 Feb 2007, Zeugswetter Andreas ADI SD wrote:
> And I also see a lot of unhappiness from users of system tables when
> column numbers all over the system tables would not be logical column
> positions any more.
>
Right now the fact that attnum presents the logical order but not the
logical position is a problem for the JDBC driver. In the presence of
dropped columns there is no easy way to get from a pg_attribute entry to
logical position. I would hope that a new logical position column would
reflect the actual position and solve this problem.
Kris Jurka
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