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From: Tom Lane <tgl@sss.pgh.pa.us>
To: "Hoon H." <drawtree@gmail.com>
cc: pgsql-interfaces@postgresql.org
Subject: Re: Is it safe to use fundamental type OIDs defined in
 server/catalog/pg_type.h from client?
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Comments: In-reply-to "Hoon H." <drawtree@gmail.com>
 message dated "Fri, 06 Dec 2013 05:43:13 +0900"
Date: Thu, 05 Dec 2013 18:27:24 -0500
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"Hoon H." <drawtree@gmail.com> writes:
> According to some mailing list entries, 

> http://www.postgresql.org/message-id/20080708000535.GA10491@cuci.nl
> http://www.postgresql.org/message-id/AANLkTimiNjQa7ws1tyR_W6RQPec6RlxQtWfACNMnZ_1P@mail.gmail.com

> It seems safe to use macros defined in `server/catalog/pg_type.h`, but I still doubt because I couldn't find any official policy on these values. 

We never have changed the OIDs of those basic types, and I doubt we would.
We're well aware that some client code knows their numbers.

			regards, tom lane


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