David Fetter wrote:
> However, there are little lacunæ like this:
>
> SELECT * FROM show_qual() s(a)
> WHERE A NOT IN (
> SELECT 'foo' UNION ALL SELECT 'bar'
> );
> a
> ------------------------
> (NOT (hashed subplan))
This little lacuna seems to say that if you pass the wrong query to
dblink, it will fail to work, possibly with a very obscure error
message; it will be very difficult to debug, and also very difficult (if
not impossible) to workaround.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support