Re: min_safe_lsn column in pg_replication_slots view

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От Alvaro Herrera
Тема Re: min_safe_lsn column in pg_replication_slots view
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Msg-id 20200620014223.GA7119@alvherre.pgsql
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Ответ на Re: min_safe_lsn column in pg_replication_slots view  (Michael Paquier <michael@paquier.xyz>)
Ответы Re: min_safe_lsn column in pg_replication_slots view  (Amit Kapila <amit.kapila16@gmail.com>)
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On 2020-Jun-19, Michael Paquier wrote:

> If we want to make this happen, I am afraid that the time is short as
> beta2 is planned for next week.  As the version will be likely tagged
> by Monday US time, it would be good to get this addressed within 48
> hours to give some room to the buildfarm to react.  Attached is a
> straight-forward proposal of patch.  Any thoughts?

I don't disagree with removing the LSN column, but at the same time we
need to provide *some* way for users to monitor this, so let's add a
function to extract the value they need for that.  It seems simple
enough.

I cannot implement it myself now, though.  I've reached the end of my
week and I'm not sure I'll be able to work on it during the weekend.

I agree with Kyotaro's opinion that the pg_walfile_name() function seems
too single-minded ...

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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