Re: A rather hackish POC for alternative implementation of WITH TIES

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Surafel Temesgen <surafel3000(at)gmail(dot)com>
Cc: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
Subject: Re: A rather hackish POC for alternative implementation of WITH TIES
Date: 2020-03-31 15:24:42
Message-ID: 20200331152442.GA4829@alvherre.pgsql
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On 2020-Mar-26, Surafel Temesgen wrote:

> On Wed, Jan 22, 2020 at 3:35 PM Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
> wrote:
> > >>>>> "Alvaro" == Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> >
> > I was largely holding off on doing further work hoping for some
> > discussion of which way we should go. If you think my approach is worth
> > pursuing (I haven't seriously tested the performance, but I'd expect it
> > to be slower than Surafel's - the price you pay for flexibility) then I
> > can look at it further, but figuring out the planner stuff will take
> > some time.
> Other alternative can be pushing the existing implementation
> which will be open to change in case of better-finished
> implementation.

At this point, I think that's what we should do.

Álvaro Herrera
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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