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Re: [Geotools-devel] Dynamic function concept: a new interface?
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From: Andrea A. <and...@ge...> - 2010-12-09 08:58:59
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On Thu, Dec 9, 2010 at 4:47 AM, <chr...@nv...> wrote: > Yep, I also was confused about the name "Dynamic". "Static" or "Stable" > sounds better since the result of such a function is a constant for the > query. Eh, the thing is, that's the common case. We have one (1!) fully dynamic function, random(), one semi dynamic, env(), and everything else is stable/static. Makes no sense to make to have to mark 100 functions manually plus require to mark most/all of the new ones to allow for the optimization > About the environment map. I think this map must be frozen during the query, > otherwise results are unpredictable and not repeatable in case of problems. Yeah, if I can optimize it out that will happen, it will be invoked and its result will replace it as a ogc:Literal in the filter/expression tree Cheers Andrea ----------------------------------------------------- Ing. Andrea Aime Senior Software Engineer GeoSolutions S.A.S. Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584962313 fax: +39 0584962313 http://www.geo-solutions.it http://geo-solutions.blogspot.com/ http://www.linkedin.com/in/andreaaime http://twitter.com/geowolf ----------------------------------------------------- |