Re: Tuplesort merge pre-reading - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: Tuplesort merge pre-reading
Date
Msg-id CAM3SWZRtp67vuY3cso2Pk8JbbqT4KJeRekZ1vy1Ltv6Fj3HmCg@mail.gmail.com
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In response to Re: Tuplesort merge pre-reading  (Greg Stark <stark@mit.edu>)
List pgsql-hackers
On Fri, Sep 9, 2016 at 5:25 AM, Greg Stark <stark@mit.edu> wrote:
> Wow, this is really cool. We should do something like this for query
> execution too.

We should certainly do this for tuplestore.c, too. I've been meaning
to adopt it to use batch memory. I did look at it briefly, and recall
that it was surprisingly awkward because a surprisingly large number
of callers want to have memory that they can manage independently of
the lifetime of their tuplestore.


-- 
Peter Geoghegan



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