On 2/21/17 2:05 PM, Stephen Frost wrote:
> As for $SUBJECT, I feel like it really depends, doesn't it? If the
> extension creates the matview w/ no data in it, and doesn't mark it as a
> config table, should we really refresh it? On the other hand, if the
> extension creates the matview and either refreshes it, or something
> else refreshes it later, then perhaps we should do so too, to get us
> back to the same state.
I didn't think to test marking the matview as dumpable. If I do that
then a refresh item does get created, and it's actually based on whether
the view contains any data. We should at least document that.
Now that I know that, I guess I'm kinda on the fence about doing it
automatically, because AFAIK there'd be no way to override that
automatic behavior. I can't really conceive of any reason you wouldn't
want the refresh, but since it's not happening today...
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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