From: Tomasz Myrta <jasiek@klaster.net>
To: Richard Huxton <dev@archonet.com>
Cc: PGSQL-SQL <pgsql-sql@postgresql.org>
Subject: Re: virtual table
Date: Mon, 23 Jun 2003 11:09:42 +0200
Message-ID: <3EF6C3D6.7080904@klaster.net> (raw)
In-Reply-To: <200306230954.54185.dev@archonet.com>
References: <3EF61E44.2020601@klaster.net>
<200306230929.24372.dev@archonet.com>
<3EF6BCB4.2040209@klaster.net>
<200306230954.54185.dev@archonet.com>
Dnia 2003-06-23 10:54, Użytkownik Richard Huxton napisał:
> Hmm - I think your problem is going to come before that. Any time you do an
> INSERT, PostgreSQL is going to need to know the types of all the columns
> involved.
>
> For this sort of thing, I try to keep all the related bits (initial function,
> views, triggers) in the same text-file to encourage me to remember to update
> them all together.
I also do this - it isn't really difficult with well written scripts. I was
just wondering if I don't waste my time tracking all the changes.
>
> It sounds like this table1 is only being used during transfer. Is there any
> reason why you aren't just inserting the required rows into table2.
My queries are ordinary transportation problems with 0 up to 2 changes. I
found it's better (for performance reason) to find all possible relations as
single rows and split them at the end into simple connections. Maybe I should
dig into this problem again and rewrite my queries...
Regards,
Tomasz Myrta
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Subject: Re: virtual table
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