Re: Decoding of two-phase xacts missing from CREATE_REPLICATION_SLOT command

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Ajin Cherian <itsajin(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Amit Kapila <akapila(at)postgresql(dot)org>, vignesh C <vignesh21(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>
Subject: Re: Decoding of two-phase xacts missing from CREATE_REPLICATION_SLOT command
Date: 2021-06-08 20:23:45
Message-ID: 97a05433ccfbbdab1e3719be14272bdb790cf65a.camel@j-davis.com
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On Tue, 2021-06-08 at 17:41 +1000, Ajin Cherian wrote:
> Here's an updated patchset that adds back in the option for two-phase
> in CREATE_REPLICATION_SLOT command and a second patch that adds
> support for
> two-phase decoding in pg_recvlogical.

A few things:

* I suggest putting the TWO_PHASE keyword after the LOGICAL keyword
* Document the TWO_PHASE keyword in doc/src/sgml/protocol.sgml
* Cross check that --two-phase is specified only if --create-slot is
specified
* Maybe an Assert(!(two_phase && is_physical)) in
CreateReplicationSlot()?

Other than that, it looks good, and it works as I expect it to.

Regards,
Jeff Davis

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