From: | Oleg Serov <serovov(at)gmail(dot)com> |
---|---|
To: | Greg Stark <gsstark(at)mit(dot)edu> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: Diffrent column ordering after dump/restore tables with INHERITS |
Date: | 2009-07-06 08:20:50 |
Message-ID: | cec7c6df0907060120i3c2ae605jd65337d480b40e71@mail.gmail.com |
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Lists: | pgsql-bugs |
How about adding this patch to postgresql it will slove the problem?
On Sun, Jul 5, 2009 at 8:10 PM, Greg Stark<gsstark(at)mit(dot)edu> wrote:
> On Sun, Jul 5, 2009 at 4:28 PM, Tom Lane<tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> when i done dump->restore i
>>> have surprise,
>>> Column ordering was changed.
>>
>> This is not a bug, it's the intended behavior.
>
> I thought that was a bug, just one that was too hard to fix for the
> problems it caused. It might be more fixable if we get around to the
> work that was discussed earlier where we separate attnum into three
> different values.
>
> Oleg: note that having the columns in the same position allows some
> optimizations in the executor so it's probably a good thing if it
> hasn't broken your application.
>
> --
> greg
> http://mit.edu/~gsstark/resume.pdf
>
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