On Fri, Sep 13, 2024 at 3:02 PM Tatsuo Ishii <is...@postgresql.org> wrote:
>
> > The patch looks fine but it doesn't add a test case where Storage is
> > Disk
>
> We can test the case by setting work_mem to the minimum size (64kB)
> and giving slightly larger "stop" parameter to generate_series.
>

WFM

> > or the case when the last usage fit in memory but an earlier
> > usage spilled to disk.
>
> In my understanding once tuplestore changes the storage type to disk,
> it never returns to the memory storage type in terms of
> tuplestore_get_stats.  i.e. once state->usedDisk is set to true, it
> never goes back to false. So the test case is not necessary.
> David, am I correct?

I understand that. I am requesting a testcase to test that same logic.
-- 
Best Wishes,
Ashutosh Bapat


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