Re: BUG #17212: pg_amcheck fails on checking temporary relations

> On Oct 11, 2021, at 11:53 AM, Peter Geoghegan <pg@bowt.ie> wrote:
> 
> On Mon, Oct 11, 2021 at 11:40 AM Peter Geoghegan <pg@bowt.ie> wrote:
>> A NOTICE message is supposed to be surfaced to clients (but not stored
>> in the server log), pretty much by definition.
>> 
>> It's not unreasonable to argue that I was mistaken to ever think that
>> about this particular message. In fact, I suspect that I was.
> 
>>> Somebody could quite reasonably complain about this on a hot standby with millions of unlogged relations.  Actual ERROR messages might get lost in all the noise.
> 
> How about this: we can just lower the elevel, from NOTICE to DEBUG1.
> We'd then be able to keep the message we have today in
> verify_nbtree.c. We'd also add a matching message (and logic) to
> verify_heapam.c, keeping them consistent.
> 
> I find your argument about spammy messages convincing. But it's no
> less valid for any other user of amcheck. So we really should just fix
> that at the amcheck level. That way you can get rid of the call to
> pg_is_in_recovery() from the SQL statements in pg_amcheck, while still
> fixing everything that needs to be fixed in pg_amcheck.

Your proposal sounds good.  Let me try it and get back to you shortly.

—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company