On Mon, Feb 6, 2017 at 6:51 AM, Ruben Buchatskiy <ru...@ispras.ru> wrote:
> 2017-01-10 12:53 GMT+03:00 Alexander Korotkov <a.korot...@postgrespro.ru>:
>> 1. What project ideas we have?
> We would like to propose a project on rewriting PostgreSQL executor from
> traditional Volcano-style [1] to so-called push-based architecture as
> implemented in
> Hyper [2][3] and VitesseDB [4]. The idea is to reverse the direction of data
> flow
> control: instead of pulling up tuples one-by-one with ExecProcNode(), we
> suggest
> pushing them from below to top until blocking operator (e.g. Aggregation) is
> encountered. There’s a good example and more detailed explanation for this
> approach in [2].

I think this very possibly a good idea but extremely unlikely to be
something that a college student or graduate student can complete in
one summer.  More like an existing expert developer and a year of
doing not much else.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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