Point is that you're doing a SELECT. A SELECT returns a result, which can be
empty. I would use executeQuery and ignore the result.
There is a bit of a mismatch between the JDBC stored procedure model and the
pgsql function model, because pgsql doesn't have true stored procedures.
Can you point to docs, JDBC and/or PG, that describe what it means to "RETURN void"?
At a high-level SQL returns SETs and the empty set is a valid SET. I take it from your comment that JDBC considers the empty set "a result", whose record count is zero.
David J.
