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From: Tom Lane <[email protected]>
To: jian he <[email protected]>
Cc: Yugo NAGATA <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: minor error message inconsistency in make_pathkey_from_sortinfo
Date: Thu, 25 Apr 2024 11:07:46 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <CACJufxGc3Ewc1MKm6qRpYe=kfHK_zbZ2OWVUsopbQSOHkpTgQA@mail.gmail.com>
References: <CACJufxGNJqR79WEwBRw9g2DB-6WhNcJs1uuG7KnTGA5ouM6eug@mail.gmail.com>
	<[email protected]>
	<CACJufxGc3Ewc1MKm6qRpYe=kfHK_zbZ2OWVUsopbQSOHkpTgQA@mail.gmail.com>

jian he <[email protected]> writes:
> On Wed, Apr 24, 2024 at 5:47 PM Yugo NAGATA <[email protected]> wrote:
>> This message was introduced by 278cb434110 which was aiming to
>> standardize the wording for similar errors. We can find the pattern
>> "missing {support function | operator} %d(%u,%u) in opfamily %u"
>> in several places.

> the error message
> ` operator %d`
> would translate to
> ` operator 3`

> but there is oid as 3 operator in the catalog.
> that's my confusion.

That number is the opclass' operator strategy number, not an OID
(which is why it's formatted as %d not %u).  See

https://www.postgresql.org/docs/devel/xindex.html#XINDEX-STRATEGIES

			regards, tom lane

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