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From: Dian Fay <[email protected]>
To: Jim Nasby <[email protected]>
To: jian he <[email protected]>
To: Peter Eisentraut <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: add function argument names to regex* functions.
Date: Wed, 03 Jan 2024 18:05:47 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <CACJufxG3NFKKsh6x4fRLv8h3V-HvN4W5dA=zNKMxsNcDwOKang@mail.gmail.com>
	<[email protected]>
	<CACJufxHeyc34PMx6OnWb-xoaMtj1Yoax1rM+71zkwCynvmVwdg@mail.gmail.com>
	<[email protected]>
	<[email protected]>

> > Another possibility is `index`, which is relatively short and not a
> > reserved keyword ^1. `position` is not as precise but would avoid the
> > conceptual overloading of ordinary indices.
>
> I'm not a fan of "index" since that leaves the question of
> whether it's 0 or 1 based. "Position" is a bit better, but I think
> Jian's suggestion of "occurance" is best.

We do have precedent for one-based `index` in Postgres: array types are
1-indexed by default! "Occurrence" removes that ambiguity but it's long
and easy to misspell (I looked it up after typing it just now and it
_still_ feels off).

How's "instance"?

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