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<body class='hmmessage'>Yeah, I'd definitivelyrecommend us getting our shit together on a simple honest-to-god rdbms solution before we start on anything else. Like, learn to walk before you run.<BR>
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Best,<BR>
/Stefan<BR><BR><BR><BR>
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> Date: Sat, 9 Feb 2008 16:36:14 -0500<BR>> From: sean@dague.net<BR>> To: opensim-dev@lists.berlios.de<BR>> Subject: Re: [Opensim-dev] Object Representation<BR>> <BR>> On Sat, Feb 09, 2008 at 05:20:54PM +0100, Stefan Andersson wrote:<BR>> > I'm a bit worried that nhibernate or another generic mapper solution<BR>> > will prove too coarse grained for a specialized and optimized storage<BR>> > strategy.<BR>> > <BR>> > For example, is it possible to specify that you want to store just a<BR>> > number of fields, not all fields and not cascading updates?<BR>> > <BR>> > Please alleviate fear?<BR>> <BR>> Yes, that's all possible with nhibernate. Basically you create an xml<BR>> definition which says "this field is that column". You don't need to<BR>> map all fields, and you have a lot of control over the update paths.<BR>> <BR>> All my research on nhibernate showed it was the right way forward, I<BR>> just never quite got over the hump to get it pulled together. Impalah's<BR>> done some great work in that regard.<BR>> <BR>> Right now we're a bit constrained on supporting a bunch of new<BR>> persistent bits that are unrelated to the prims themselves, because<BR>> getting data persisted across all our backends requires a lot of work.<BR>> ++ on getting nhibernate in there to help with that.<BR>> <BR>> There are a lot of other clever things one might do with prims instead<BR>> of RDBMS back end, but I think we're a bit premature to start heading<BR>> down that road at this point.<BR>> <BR>> -Sean<BR>> <BR>> -- <BR>> __________________________________________________________________<BR>> <BR>> Sean Dague Mid-Hudson Valley<BR>> sean at dague dot net Linux Users Group<BR>> http://dague.net http://mhvlug.org<BR>> <BR>> There is no silver bullet. Plus, werewolves make better neighbors<BR>> than zombies, and they tend to keep the vampire population down.<BR>> __________________________________________________________________<BR><BR></body>
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