Re: Sync scan & regression tests

Heikki Linnakangas <hlinnaka@iki.fi> writes:
> On 19/09/2023 01:57, Andres Freund wrote:
>> On 2023-09-18 13:49:24 +0300, Heikki Linnakangas wrote:
>>> d) Copy fewer rows to the table in the test. If we copy only 6 rows, for
>>> example, the table will have only two pages, regardless of shared_buffers.
>>>
>>> I'm leaning towards d). The whole test is a little fragile, it will also
>>> fail with a non-default block size, for example. But c) seems like a simple
>>> fix and wouldn't look too out of place in the test.

>> Hm, what do you mean with the last sentence? Oh, is the test you're
>> referencing the relation-extension logic?

> Sorry, I said "c) seems like a simple fix ...", but I meant "d) seems
> like a simple fix ..."
> I meant the attached.

This thread stalled out months ago, but chipmunk is still failing in
HEAD and v16.  Can we please have a fix?  I'm good with Heikki's
adjustment to the pg_visibility test case.

            regards, tom lane