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help / color / mirror / Atom feedFrom: Peter Eisentraut <[email protected]>
To: shveta malik <[email protected]>
To: pgsql-hackers <[email protected]>
Cc: Zhijie Hou (Fujitsu) <[email protected]>
Cc: Nisha Moond <[email protected]>
Cc: Amit Kapila <[email protected]>
Subject: Re: Conflict Detection and Resolution
Date: Thu, 13 Jun 2024 14:45:50 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAJpy0uD0-DpYVMtsxK5R=zszXauZBayQMAYET9sWr_w0CNWXxQ@mail.gmail.com>
References: <CAJpy0uD0-DpYVMtsxK5R=zszXauZBayQMAYET9sWr_w0CNWXxQ@mail.gmail.com>
On 23.05.24 08:36, shveta malik wrote:
> Conflict Resolution
> ----------------
> a) latest_timestamp_wins: The change with later commit timestamp wins.
> b) earliest_timestamp_wins: The change with earlier commit timestamp wins.
> c) apply: Always apply the remote change.
> d) skip: Remote change is skipped.
> e) error: Error out on conflict. Replication is stopped, manual
> action is needed.
You might be aware of pglogical, which has similar conflict resolution
modes, but they appear to be spelled a bit different. It might be worth
reviewing this, so that we don't unnecessarily introduce differences.
https://github.com/2ndquadrant/pglogical?tab=readme-ov-file#conflicts
There might also be other inspiration to be found related to this in
pglogical documentation or code.
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