On Mon, May 19, 2025 at 10:21 PM Robert Haas wrote:
> On Thu, May 15, 2025 at 9:03 AM Andrei Lepikhov wrote:
> > 2. IncrementalSort is not always more effective - it depends on the
> > column's number of groups. In my experience, a non-cost-based decision
> > one day meets the problematic case, a
On Thu, May 15, 2025 at 9:03 AM Andrei Lepikhov wrote:
> 2. IncrementalSort is not always more effective - it depends on the
> column's number of groups. In my experience, a non-cost-based decision
> one day meets the problematic case, and the people who stick with it are
> much more confused than
On 12/5/2025 11:29, Richard Guo wrote:
For ordered Append or MergeAppend, it seems that incremental sort is
currently not considered when injecting an explicit sort into subpaths
that are not sufficiently ordered. For instance:
Thanks for doing this job.
I have reviewed your patch and want to p
For ordered Append or MergeAppend, it seems that incremental sort is
currently not considered when injecting an explicit sort into subpaths
that are not sufficiently ordered. For instance:
set enable_seqscan to off;
explain (costs off)
select hundred as x, two as y from tenk1
union all
select th
