On Mon, May 20, 2013 at 4:11 PM, Sergey Konoplev <gray.ru@gmail.com> wrote:
> Hi,
>
> On Mon, May 20, 2013 at 11:18 AM, Michael Swierczek
> <mike.swierczek@gmail.com> wrote:
>> Hello. I have a web surveying system backed by PostgreSQL. A common
>> use case is for internal staff to make a series of changes to some
>> survey templates (questions, question order, calculations based on
>> answers, translations, etc...) through the web interface. Then those
>> changes are tested, and then manually reproduced through the web
>> interface on production servers. The manual reproduction wastes time
>> and causes errors, so instead I would like to capture all of the SQL
>> that affects the modified tables on development machines so we can run
>> it on the production servers.
>
> You can use a replication tool, eg. londiste, to replicate changes of
> particular tables to the production database. Keep the replication
> service stopped all the time when you do not need to mirror your
> changes, it will still collect the changes in the internal tables on
> the testing server side. When you are ready to apply the changes to
> the production start the replication, wait until all the data is
> replicated and stop it again.
>
> Note, that this approach requires you to have separate tables for
> metadata (ones that only internal stuff will change) and user tables,
> so you are assumed to replicate metadata tables from testing to
> production.
>
> --
> Kind regards,
> Sergey Konoplev
> PostgreSQL Consultant and DBA
>
> Profile: http://www.linkedin.com/in/grayhemp
> Phone: USA +1 (415) 867-9984, Russia +7 (901) 903-0499, +7 (988) 888-1979
> Skype: gray-hemp
> Jabber: gray.ru@gmail.com
Sergey,
Thank you for your response. I was hoping there was an
"out-of-the-box" solution I missed, but I guess not. I will look at
Iondiste, thank you for the suggestion.
-Mike
