Re: pg_receivexlog and replication slots

From: Jan Wieck <jan(at)wi3ck(dot)info>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, furuyao(at)pm(dot)nttdata(dot)co(dot)jp, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_receivexlog and replication slots
Date: 2014-10-01 17:36:01
Message-ID: 542C3B81.2020501@wi3ck.info
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On 10/01/2014 01:32 PM, Andres Freund wrote:
> On 2014-10-01 13:22:53 -0400, Jan Wieck wrote:
>> On 10/01/2014 01:19 PM, Andres Freund wrote:
>> >On 2014-10-01 13:17:17 -0400, Jan Wieck wrote:
>> >>>>-static void StreamLog();
>> >>>>+static void StreamLogicalLog();
>> >>>>Not related at all to those patches, but for correctness it is better to
>> >>>>add a declaration "(void)".
>> >>>
>> >>>Agreed.
>> >>>
>> >>>>Except those small things the changes look good to me.
>> >>>
>> >>>Cool. Will push and then, sometime this week, review the next patch.
>> >
>> >>You might want to do that function renaming in pg_receivexlog.c as well.
>> >
>> >Why? You mean to StreamPhysicalLog()?
>>
>> Like that.
>
> Don't see that much point - it just seemed wrong to have StreamLog do
> two somewhat different things. And StreamLog() in receivexlog is much older...

The point is that StreamLog is semantically a superset of StreamWhateverLog.

Jan

>
>> Plus, there is one more occurrence of StreamLog() in pg_recvlogical.c.
>
> Gah. Wrongly split commit :(. Fixed in 9.4, it's already fixed by the
> subsequent commit in master.
>
> Greetings,
>
> Andres Freund
>

--
Jan Wieck
Senior Software Engineer
http://slony.info

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