On Tue, Jun 6, 2017 at 3:23 PM, David Fetter <da...@fetter.org> wrote:
> I'd bet on lack of tuits.
I expect that was part of it. Another thing to consider is that, for
numeric aggregates, the transition values don't generally get larger
as you aggregate, but for something like string_agg(), they will.
It's not clear how much work we'll really save by parallelizing that
sort of thing. Maybe it will be great?
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