Re: Ingres dump files to PostgreSQL

From: "Jonah H(dot) Harris" <jharris(at)tvi(dot)edu>
To: Hannu Krosing <hannu(at)skype(dot)net>
Cc: kar(at)kakidata(dot)dk, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Ingres dump files to PostgreSQL
Date: 2005-05-18 16:52:40
Message-ID: 428B72D8.4070005@tvi.edu
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Kaare,

I have a utility which will read Ingres r3 data files directly but I
don't think it would be that reliable to use. I suggest you get one of
the open source database conversion utilities written in Java, they work
pretty well. You can find a few of them on SourceForge/Freshmeat.

Thanks!

-Jonah

Hannu Krosing wrote:

>On K, 2005-05-18 at 12:57 +0200, Kaare Rasmussen wrote:
>
>
>>Hi
>>
>>I have a dump from an Ingres database, one file per table it seems. I went
>>looking on www.postgresql.org for documentation for people who want to move
>>to PostgreSQL from other databases, but I couldn't find any such thing.
>>
>>So, does a convert utility from ingres dump files to PostgreSQL already exist?
>>It's not a big problem for me; I can write a perl program to do the stuff. i
>>just started wondering about it, giving their common ancestry.
>>
>>
>
>The common ancestry is form times when Ingres (University Ingres) used
>Quel for its query language, before time when Postgres (without "ql" at
>the end) was created, which used PostQuel up to v4.2 .
>
>There are migration scripts for Oracle and MySQL in contrib.
>
>
>

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