Re: pgsql: Change timeline field of IDENTIFY_SYSTEM to int8

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter(at)eisentraut(dot)org>
Cc: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: Re: pgsql: Change timeline field of IDENTIFY_SYSTEM to int8
Date: 2022-07-04 05:55:13
Message-ID: 1467434.1656914113@sss.pgh.pa.us
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Peter Eisentraut <peter(at)eisentraut(dot)org> writes:
> Change timeline field of IDENTIFY_SYSTEM to int8

Surely this patch is far from complete?

To start with, just a few lines down in IdentifySystem() the column
is filled using Int32GetDatum not Int64GetDatum. I will get some
popcorn and await the opinions of the 32-bit buildfarm animals.

But what about whatever code is reading the output? And what if
that code isn't v16? I can't believe that we can make a wire
protocol change as summarily as this.

regards, tom lane

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