Re: Exposing the Xact commit order to the user

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От Bruce Momjian
Тема Re: Exposing the Xact commit order to the user
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Msg-id 201006032229.o53MTDd18318@momjian.us
обсуждение исходный текст
Ответ на Re: Exposing the Xact commit order to the user  (Jan Wieck <JanWieck@Yahoo.com>)
Ответы Re: Exposing the Xact commit order to the user  (Bruce Momjian <bruce@momjian.us>)
Re: Exposing the Xact commit order to the user  (Robert Haas <robertmhaas@gmail.com>)
Re: Exposing the Xact commit order to the user  (Bruce Momjian <bruce@momjian.us>)
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Jan Wieck wrote:
> On 6/3/2010 4:04 PM, Bruce Momjian wrote:
> > If you want to fork Postgres and add it, go ahead, but if the community
> > has to maintain the code and document it, we care.
> 
> That comment was rather unprofessional. I think the rest of us still try 
> to find the best solution for the problem, not kill the discussion. You 
> may want to rejoin that effort.
> 
> I care about an efficient, low overhead way to get a certain 
> information, that is otherwise extremely difficult, expensive and 
> version dependent to get.
> 
> I care about cleaning up more of the mistakes, made in the original 
> development of Slony. Namely using hacks and kluges to implement 
> details, not supported by a current version of PostgreSQL. Londiste and 
> Slony made a good leap on that with the txid data type. Slony made 
> another step like that with 2.0, switching to the (for that very purpose 
> developed and contributed) native trigger configuration instead of 
> hacking system catalogs. This would be another step in that direction 
> and we would be able to unify Londiste's and Slony's transport mechanism 
> and eliminating the tick/sync kluge.
> 
> Care to explain what exactly you care about?

Here is what I was replying to:

> >> I actually have a hard time understanding why people are so opposed t$
> > >> feature that has zero impact at all unless a DBA actually turns in ON.
> >> What is the problem with exposing the commit order of transactions?

Jan's comment is why should others care what he wants because it has
zero impact?  I am saying the community cares because we have to
maintain the code.  I stand by my comment.

I remember a dismissive comment by Jan when 'session_replication_role'
was added, and a similar strong comment from me at that time as well. 
It seems we are doing this again.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + None of us is going to be here forever. +


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