On 17 September 2015 at 13:14, Robert Haas <robertmh...@gmail.com> wrote:

> My main concern with this design is how future-proof it is.

Passing array offsets sounds brittle to me.

It would screw up any attempts to post-process the plans. Later
enhancements seem certain to break that scheme.

It also assumes that all actors have access to a single memory structure
that describes everything.

Hopefully we are working on a parallel query system that will work
intranode as well as across nodes, so access to memory should not be

Simon Riggs                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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