On Tue, 21 Jun 2005, James Hester wrote: >> I rectified (clarified) the idea of JOINs in my last message replying to >> John. I am correct in stating that _atom_site and _atom_site_aniso lists >> could (and do) appear in one list. It is not true that all lists related >> by link_list_parent/_child relationships can (or should) be joined. A >> _geom_bond list would be a case in point. > > Sure, but my original formulation would still do the trick: > > "When the _list_link_parent data name is of the same category as the > defined data name, the _list_link_parent data name and the defined name > may be considered as a single combined definition which can be referred > to by either of the original data names for the purposes of resolving OK. I think that will work. I can't think of any case (of hand) where you would not want to join lists of the same category or where you would want to join lists from different categories - so it seems a reasonable solution. > Well a bit of cage-rattling by the <irony>unwashed masses of CIF > developers</irony> might be in order then, especially as some sentiments > have been expressed about applications making automated use of DDL > dictionaries. Rattle away, James. Watch for the falling dust. Will you be in Firenze for the Congress? cheers Nick -------------------------------- Dr N. Spadaccini, Head of School School of Computer Science & Software Engineering The University of Western Australia 35 Stirling Highway CRAWLEY, Perth, WA 6009 AUSTRALIA CRICOS Provider Code: 00126G voice: +(61 8) 6488 3452 fax: +(61 8) 6488 1089 w3: www.csse.uwa.edu.au/~nick email: head@csse.uwa.edu.au (Mail to "head" is for official correspondence and is accessible to several others, in particular my Administration Officer/PA). email: nick@csse.uwa.edu.au (Mail to "nick" is for confidential, personal and trivial correspondence, and is accessible only to me). _______________________________________________ cif-developers mailing list cif-developers@iucr.org http://scripts.iucr.org/mailman/listinfo/cif-developers
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