Re: pg_type oid's do they change from version to version

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: pg(at)fastcrypt(dot)com
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_type oid's do they change from version to version
Date: 2004-05-20 00:49:50
Message-ID: 200405200049.i4K0noi01398@candle.pha.pa.us
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Dave Cramer wrote:
> How much can we count on the type oid's remaining static from version to
> version? It turns out there is a design decision in the jdbc driver that
> could fail if they changed from one version to another and the client
> connected to both versions.

I don't think we have ever changed oids for existing data types, so you
should be OK.

> Also for getUDT, we need to translate type oid's into java type values,
> so if we can rely on the oids not changing then it would make it easier.

Right. There has never been a reason to change them, and there is a
downside if we were to change them.

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Bruce Momjian | http://candle.pha.pa.us
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