Re: BUG #14932: SELECT DISTINCT val FROM table gets stuck in an infinite loop

Andres Freund <andres@anarazel.de> writes:
> On 2017-12-10 23:09:42 +0100, Tomas Vondra wrote:
>> FWIW I do agree the data sets shared in this thread are pretty extreme
>> and it doesn't make much sense to slow the regular cases. I'll be
>> perfectly happy if we stop the OOM, making those cases fast is a bonus.

> Yea, agreed on that. I'm kinda inclined to go for stop-growing in 10,
> and so something better in 11. And then later possibly backpatch if
> we've grown some confidence?

+1.  I'd like to see some response to this included in 10.2, and time
grows short for that.

            regards, tom lane