[postgis-devel] Parallel MVT

[G. Allegri]

Cool Paul! I can only grasp what you wrote (context management mostly) but
it would be great to see it landing in master.

giovanni

2017-11-03 15:45 GMT+01:00 Paul Ramsey <pramsey at cleverelephant.ca>:

> Want it?
> I did it up because in theory we're going to want it at Carto to drive
> vector tile generation, but in practice so far it seems damnable hard to
> force into action, the planner only wants to parallelize queries with large
> numbers of tuples in place, and even then first with a parallel scan before
> getting to the parallel aggregate. At least. for my aggregate. I can,
> annoyingly, get a parallel aggregate on Sum() on a 60K record table.
> Anyways, the upside is: it's parallel!
> The downside is: it makes things more complex!
> It's sitting in a branch if there's interest in it for 2.5
> P
>
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