Date: Mon, 25 Oct 2021 16:40:10 +0900
From: Michael Paquier <michael@paquier.xyz>
To: Ronan Dunklau <ronan.dunklau@aiven.io>
Cc: pgsql-hackers@lists.postgresql.org,
	Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>,
	Kyotaro Horiguchi <horikyota.ntt@gmail.com>,
	Masahiko Sawada <sawada.mshk@gmail.com>
Subject: Re: pg_receivewal starting position
Message-ID: <YXZfWkCHo7VuJJUa@paquier.xyz>
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On Mon, Oct 25, 2021 at 09:15:32AM +0200, Ronan Dunklau wrote:
> Does it make sense though ? The NULL slot_name case handling is pretty=20
> straight forward has it will be handled by string formatting, but in the =
case=20
> of a null restart_lsn, we have no way of knowing if the command was issue=
d at=20
> all.

If I am following your point, I don't think that it matters much here,
and it seems useful to me to be able to pass NULL for both of them, so
as one can check if the slot exists or not with an API designed this
way.
--
Michael

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