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From: Tom Lane <[email protected]>
To: Michael Paquier <[email protected]>
Cc: Bertrand Drouvot <[email protected]>
Cc: Chao Li <[email protected]>
Cc: Postgres hackers <[email protected]>
Cc: Fujii Masao <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: Jeff Davis <[email protected]>
Cc: Ashutosh Bapat <[email protected]>
Cc: Amit Kapila <[email protected]>
Subject: Re: Fix unqualified catalog references in psql describe queries
Date: Tue, 09 Jun 2026 22:12:48 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<aifYIhmiqNr9mf6f@bdtpg>
	<[email protected]>

Michael Paquier <[email protected]> writes:
> On Tue, Jun 09, 2026 at 09:08:50AM +0000, Bertrand Drouvot wrote:
>> Now I wonder if we shoud not "protect" the operators too. They could also
>> lead to wrong results (if not worst).

> Kind of true.  Still we have been pretty lax about the operators as
> they also lead to less readable queries.

We disclaimed security against odd search_paths for these queries long ago,
precisely because wrapping every operator in PG_OPERATOR(pg_catalog.*)
would be far too tedious and destructive of readability --- not to
mention that there are some syntaxes such as IN that don't even offer
the option to do that.

I'm okay with schema-qualifying these table references, mainly because
that preserves consistency with historical style here.  But let's not
go further than that.

			regards, tom lane

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