Re: Excessive disk usage in WindowAgg

Hi,

On 2019-11-04 19:04:52 +0000, Andrew Gierth wrote:
> >>>>> "Andres" == Andres Freund <andres@anarazel.de> writes:
> 
>  >>> Obviously we _do_ need to be more picky about this; it seems clear
>  >>> that using CP_SMALL_TLIST | CP_LABEL_TLIST would be a win in many
>  >>> cases. Opinions?
> 
>  >> Seems reasonable to me, do you want to do the honors?
> 
>  Andres> I was briefly wondering if this ought to be backpatched. -0
>  Andres> here, but...
> 
> Uh, it seems obvious to me that it should be backpatched?

Fine with me. But I don't think it's just plainly obvious, it's
essentailly a change in query plans etc, and we've been getting more
hesitant with those over time.

Greetings,

Andres Freund