Re: PG15 beta1 sort performance regression due to Generation context change

On Tue, 24 May 2022 at 08:32, Tomas Vondra
<tomas.vondra@enterprisedb.com> wrote:
>
> On 5/20/22 12:01, Heikki Linnakangas wrote:
> > Could the 'context' field be moved from GenerationChunk to GenerationBlock?
> >
>
> Not easily, because GetMemoryChunkContext() expects the context to be
> stored right before the chunk. In principle we could add "get context"
> callback to MemoryContextMethods, so that different implementations can
> override that.

hmm, but we need to know the context first before we can know which
callback to call.

David