> Check your search path assumptions. postgres_fdw runs remote
> queries with a very minimal search_path setting,
Indeed it was the search path, combined with references to user-defined functions that weren't schema-qualified.
Thank you for the pointer!
-Pete
On Thu, Aug 31, 2023 at 12:46 AM Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
"Pete O'Such" <posuch@xxxxxxxxx> writes:
> I've got a view on server A (PG 15.2) that fails when queried via FDW from
> server B (also PG 15.2). Querying it as a foreign table from server B
> yields a message like "ERROR: function blah(type) does not exist".
Check your search path assumptions. postgres_fdw runs remote queries
with a very minimal search_path setting, so that unqualified references
to non-built-in objects are likely to fail.
regards, tom lane
