| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | "Shulgin, Oleksandr" <oleksandr(dot)shulgin(at)zalando(dot)de> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Stream consistent snapshot via a logical decoding plugin as a series of INSERTs |
| Date: | 2016-01-15 10:08:30 |
| Message-ID: | CANP8+jJcoCEPYe9TF01PNequemT_-NQET5fX1TB1tqaYYrD1cg@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 15 January 2016 at 08:30, Shulgin, Oleksandr <
oleksandr(dot)shulgin(at)zalando(dot)de> wrote:
> I'd like to propose generic functions (probably in an extension, or in
> core if not possible otherwise) to facilitate streaming existing data from
> the database *in the same format* that one would get if these would be the
> changes decoded by a logical decoding plugin.
>
> The idea is to use a snapshot returned from CREATE_REPLICATION_SLOT
> command of the replication protocol to get a consistent snapshot of the
> database, then start listening to new changes on the slot.
>
It sounds like this is already possible.
--
Simon Riggs http://www.2ndQuadrant.com/
<http://www.2ndquadrant.com/>
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Vladimir Sitnikov | 2016-01-15 10:17:12 | Insert values() per-statement overhead |
| Previous Message | Etsuro Fujita | 2016-01-15 10:00:25 | Re: Minor code improvements to create_foreignscan_plan/ExecInitForeignScan |