Hello Tom,
29.03.2024 16:51, Tom Lane wrote:
> Alexander Lakhin <exclusion@gmail.com> writes:
>> I think that deviation can be explained by the fact that cost_index() takes
>> baserel->allvisfrac (derived from pg_class.relallvisible) into account for
>> the index-only-scan case, and I see the following difference when a test
>> run fails:
>> relname | relpages | reltuples | relallvisible | indisvalid | autovacuum_count | autoanalyze_count
>>
----------------------+----------+-----------+---------------+------------+------------------+-------------------
>> - tenk1 | 345 | 10000 | 345 | | 0 | 0
>> + tenk1 | 345 | 10000 | 305 | | 0 | 0
> Ouch. So what's triggering that? The intention of test_setup
> surely is to provide a uniform starting point.
Thanks for your attention to the issue!
Please try the attached...
Best regards,
Alexander
