Horton

Re: Combine function returning NULL unhandled?

David Rowley <david.rowley@2ndquadrant.com>

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From: David Rowley <david.rowley@2ndquadrant.com>
To: Andres Freund <andres@anarazel.de>
Cc: Robert Haas <robertmhaas@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Simon Riggs <simon@2ndquadrant.com>
Date: 2017-12-01T00:33:04Z
Lists: pgsql-hackers 
On 24 November 2017 at 14:20, Andres Freund <andres@anarazel.de> wrote:
> Pushed a fix to the relevant branches, including tests of the
> trans/combine functions returns NULL cases.

Apologies for my silence here. I've been on leave and out of internet
range for two weeks.

Thank you for making the fix.

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Commits

  1. Fix handling of NULLs returned by aggregate combine functions.

  2. Support multi-stage aggregation.