On Wed, 2006-10-25 at 11:12 +0100, Jamie McCracken wrote: > >> With everything mapped 1:1 you can then use RDF query to search them > > > > Why would you need a 1:1 mapping to do a query? A query for "contacts > > with an email of jamiecc blueyonder co uk" should be possible > > independent of the number of email addresses a contact can have. > > we need the 1:1 mapping to get/set the values. Whatever we implement we > must have a unique metadata name for a particular service in order to do > that otherwise getting or setting a value would be impossible. > > One problem with metadata relationships is that some metadata like in > the above case would only be searchable like Contact.JabberID as the > actual storage would be in Contact.WorkJabberID or Contact.HomeJabberID > so it might get confusing for developers if they try and get the value > of Contact.JabberID which would be NULL. A real world, physical example: Name: Ross Burton Email address (personal): ross burtonini com Email address (personal): ross burton gmail com Email address (work): ross openedhand com How would you store this in Tracker? If we declare that Tracker Contact objects are *not* vCard clones I can handle dropping the personal/work annotations for now. Ross -- Ross Burton mail: ross burtonini com jabber: ross burtonini com www: http://www.burtonini.com./ PGP Fingerprint: 1A21 F5B0 D8D0 CFE3 81D4 E25A 2D09 E447 D0B4 33DF
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