Re: pg_recvlogical cannot create slots with failover=true
Peter Eisentraut <peter@eisentraut.org>
From: Peter Eisentraut <peter@eisentraut.org>
To: Masahiko Sawada <sawada.mshk@gmail.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>,
"Zhijie Hou (Fujitsu)" <houzj.fnst@fujitsu.com>,
"Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>,
"pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>
Date: 2025-06-22T13:38:30Z
Lists: pgsql-hackers
On 17.06.25 20:19, Masahiko Sawada wrote: >>> Ideally, we should change both to maintain consistency across various >>> slot options. OTOH, as we have already described these options as: " >>> The --two-phase and --failover options can be specified with >>> --create-slot.", it is clear that these are slot options. The previous >>> version docs have a description: "The --two-phase can be specified >>> with --create-slot to enable decoding of prepared transactions." which >>> makes it even more clear that the two-phase is a slot option. The >>> options are named similarly in pg_create_logical_replication_slot API >>> and during CREATE SUBSCRIPTION, so, to some level, there is a >>> consistency in naming of these options across all APIs/tools. But, >>> their usage in a tool like pg_recvlogical could be perceived >>> differently as well, so it is also okay to consider naming them >>> differently. >> >> Also note that we have a new pg_createsubscriber --enable-two-phase. > > Yeah, I also noticed the precedent. > >> It would be nice if there was more consistency between similar/related >> tools. > > I've attached the patch. Feedback is very welcome. This looks fine to me, but I would keep the old name --two-phase as well. You could mark it as deprecated. No need to make a hard break.
Commits
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pg_recvlogical: Rename --two-phase and --failover options.
- 6d12d5a433c9 18.0 landed
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doc: Fix a typo in pg_recvlogical documentation.
- a13d49014dea 18.0 landed
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pg_recvlogical: Add --failover option.
- cf2655a9029a 18.0 landed