I just realized that there's a problem with the patch I applied here
http://archives.postgresql.org/pgsql-committers/2007-03/msg00057.php
to ensure that the result type of an inline'd SQL function is correctly
marked in the resulting expression tree. To wit, it doesn't work for
functions
I wrote:
I think the correct thing is to do nothing, and assume the expanded
expression must have the right type already, if the function is declared
to return a pseudotype. The only pseudotypes allowed as SQL-function
results are RECORD, VOID, and polymorphic, and this seems OK and maybe
