On Fri, Oct 16, 2015 at 7:11 PM, Alexander Korotkov <aekorot...@gmail.com>

> On Sun, Jun 7, 2015 at 11:01 PM, Peter Geoghegan <p...@heroku.com> wrote:
>> On Sun, Jun 7, 2015 at 8:10 AM, Andreas Karlsson <andr...@proxel.se>
>> wrote:
>> > Are you planning to work on this patch for 9.6?
>> FWIW I hope so. It's a nice patch.
> I'm trying to to whisk dust. Rebased version of patch is attached. This
> patch isn't passing regression tests because of plan changes. I'm not yet
> sure about those changes: why they happens and are they really regression?
> Since I'm not very familiar with planning of INSERT ON CONFLICT and RLS,
> any help is appreciated.

Planner regression is fixed in the attached version of patch. It appears
that get_cheapest_fractional_path_for_pathkeys() behaved wrong when no
ordering is required.

Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

Attachment: partial-sort-basic-4.patch
Description: Binary data

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