"David Johnston" <polobo@xxxxxxxxx> writes: > When I execute the following query: > SELECT 'a=>1'::hstore ? 'a'::text FWIW, works fine for me. > I get an "Input parameter count is less then expected" error message. I can't find such a message (or indeed anything mentioning "parameter count") anywhere in the Postgres sources. Are you running this query bare in psql, or using some other client-side software? Could the message be coming from the client-side code? regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general