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From: Adrian Klaver <[email protected]>
To: Sebastien Flaesch <[email protected]>
To: Tom Lane <[email protected]>
To: M Tarkeshwar Rao <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: After upgrading libpq, the same function(PQftype) call returns a different OID
Date: Wed, 19 Mar 2025 09:53:31 -0700
Message-ID: <[email protected]> (raw)
In-Reply-To: <DBAP191MB1289C92E15014C2627C49BEBB0D92@DBAP191MB1289.EURP191.PROD.OUTLOOK.COM>
References: <PAWPR07MB1009569596278D85AC691BBF4AEDD2@PAWPR07MB10095.eurprd07.prod.outlook.com>
	<[email protected]>
	<DBAP191MB1289124F5D8690DF3F72F62CB0DC2@DBAP191MB1289.EURP191.PROD.OUTLOOK.COM>
	<[email protected]>
	<DBAP191MB1289C92E15014C2627C49BEBB0D92@DBAP191MB1289.EURP191.PROD.OUTLOOK.COM>

On 3/18/25 23:41, Sebastien Flaesch wrote:
> You are right Adrian, I did not search properly I found the header file 
> here:
> 
> sf@toro:/opt3/dbs/pgs/17.4$ ls -l 
> include/postgresql/server/catalog/pg_type_d.h
> -rw-r--r-- 1 sf sf 9672 Mar 13 17:05 
> include/postgresql/server/catalog/pg_type_d.h
> 
> I was not expecting this file to be in a "server" folder, when it's to 
> be used for client apps.

Not surprising. As I understand it this is the code used to build the 
type entries in the system catalog pg_type. As was mentioned in your 
previous link:

https://www.postgresql.org/docs/17/libpq-exec.html#LIBPQ-PQFTYPE

the suggested way to get type information is:

"You can query the system table pg_type to obtain the names and 
properties of the various data types. "

> 
> And still, I do not trust the content.

Then do as suggested above.

> 
> Seb
> 


-- 
Adrian Klaver
[email protected]

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