Re: [PATCH] session_replication_role = replica with TRUNCATE

From: Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>
To: Marco Nenciarini <marco(dot)nenciarini(at)2ndquadrant(dot)it>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] session_replication_role = replica with TRUNCATE
Date: 2018-01-23 14:27:53
Message-ID: 9134de41-b524-b1e3-90a1-3d71e59f8586@2ndquadrant.com
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On 23/01/18 13:34, Marco Nenciarini wrote:
> Il 22/01/18 19:41, Petr Jelinek ha scritto:
>> On 19/01/18 12:41, Marco Nenciarini wrote:
>>> Hi Peter,
>>>
>>> Il 18/01/18 17:30, Peter Eisentraut ha scritto:
>>>> On 1/17/18 11:33, Petr Jelinek wrote:
>>>>>> P.S: I'm struggling to understand why we have two possible values of
>>>>>> session_replication_role settings that behave identically (origin and
>>>>>> local). I'm unable to see any difference according to the code or the
>>>>>> documentation, so I'm wondering if we should document that they are the
>>>>>> same.
>>>>>>
>>>>> It's for use by 3rd party tools (afaik both londiste and slony use it)
>>>>> to differentiate between replicated and not replicated changes.
>>>>
>>>> I have committed some documentation updates and tests to cover this a
>>>> bit better.
>>>>
>>>
>>> Thanks, the documentation is a lot clearer now.
>>>
>>> This superseded the documentation change that was in the patch, so I've
>>> removed it from the v3 version.
>>>
>>
>> Now that we have tests for this, I think it would be good idea to expand
>> them to cover the new behavior of TRUNCATE in this patch.
>>
>
> You are right. Attached the new v4 version.
>

Thanks, looks good to me, marking as ready for committer.

--
Petr Jelinek http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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