robb(a)wtg.cw.com wrote: I see. A solution I see would be to use UNION to merge the results of a query with and one without the outer join to ldap_entry_objclasses. This, however, requires some extensive code manipulation, and likely would be much less efficient, so I believe the workaround of having one row in ldap_entry_objclasses is better. p. Ing. Pierangelo Masarati OpenLDAP Core Team SysNet s.n.c. Via Dossi, 8 - 27100 Pavia - ITALIA http://www.sys-net.it ------------------------------------------ Office: +39.02.23998309 Mobile: +39.333.4963172 Email: pierangelo.masarati(a)sys-net.it ------------------------------------------