-- -- apm_package__singleton_p/1 -- create or replace function apm_package__singleton_p( character varying ) returns int4 as $$ declare singleton_p__package_key alias for $1; v_singleton_p integer; begin select count(*) into v_singleton_p from apm_package_types where package_key = singleton_p__package_key and singleton_p = 't'; return v_singleton_p; end;$$ language plpgsql;