Horton

Re: Window Function "Run Conditions"

David Rowley <dgrowleyml@gmail.com>

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From: David Rowley <dgrowleyml@gmail.com>
To: Zhihong Yu <zyu@yugabyte.com>
Cc: PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>
Date: 2021-08-18T10:39:36Z
Lists: pgsql-hackers

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On Tue, 17 Aug 2021 at 03:51, Zhihong Yu <zyu@yugabyte.com> wrote:
> +               if ((res->monotonic & MONOTONICFUNC_INCREASING) == MONOTONICFUNC_INCREASING)
>
> The above can be simplified as 'if (res->monotonic & MONOTONICFUNC_INCREASING) '

True.  I've attached an updated patch.

David

Commits

  1. Teach planner and executor about monotonic window funcs