Subject: Re: [xsl] How would you like a new axis? time:: From: Mukul Gandhi <gandhi.mukul@xxxxxxxxx> Date: Mon, 15 Mar 2010 16:20:50 +0530 |
Thanks, Mike for the answers. There's a slight correction to the schema I wrote. The correct schema fragment is below: <xs:element name="price" maxOccurs="unbounded"> <xs:complexType> <xs:simpleContent> <xs:extension base="xs:double"> <xs:attribute name="effective" type="xs:date" /> </xs:extension> </xs:simpleContent> </xs:complexType> </xs:element> Just thought of writing this here, to make the archives useful. On Mon, Mar 15, 2010 at 1:41 PM, Michael Kay <mike@xxxxxxxxxxxx> wrote: > Clearly one can always design a data model in which history is modelled > explicitly, but the idea with temporal database work has always been that > everything has history and the system should take care of it automatically > (rather in the way that CVS or SVN always allows you to find the state of a > file at a given time in the past). So Dana's proposal is essentially to > allow you to query the historical states of any given node, without you > having to do anything explicit in your XML design to keep the history as > part of the active document. > > Her description of the model at the conference was very much a sketch, I > don't know how much detail is fleshed out in the paper. > > Regards, > > Michael Kay > http://www.saxonica.com/ > http://twitter.com/michaelhkay -- Regards, Mukul Gandhi
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