Re: Transaction ID not logged if no explicit transaction used

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Cc: Martín Marqués <martin(at)2ndquadrant(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Transaction ID not logged if no explicit transaction used
Date: 2016-02-12 00:29:02
Message-ID: 16243.1455236942@sss.pgh.pa.us
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Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> Martn Marqus wrote:
>> This really gives little use for recovery_target_xid. :(

> Hmm, you can still use pg_xlogdump to figure it out from the actual WAL,
> which has the correct XIDs. It's obviously a worse solution though from
> the user's POV, because it's hard to figure out what WAL record
> corresponds to the change you care about ...

To what extent does the commit_ts infrastructure fix this?

regards, tom lane

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