Re: Backfill bgworker Extension?

On 12/12/17 13:03, Jeremy Finzel wrote:
> To be clear, what I mean is batch updating a large set of data in small
> pieces so as to avoid things like lock contention and replication lags. 
> Sometimes these have a driving table that has the source data to update
> in a destination table based on a key column, but sometimes it is
> something like setting just a single specific value for a huge table.
>
> I would love instead to have a Postgres extension that uses postgres
> background workers to accomplish this, especially if it were part of
> core.  Before I venture into exploring writing something like this as an
> extension, would this ever be considered something appropriate as an
> extension in Postgres core?  Would that be appropriate?

I don't see what the common ground between different variants of this
use case would be.  Aren't you basically just looking to execute a
use-case-specific stored procedure in the background?

--
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services