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From Marc Prud'hommeaux <m...@glimpse.io>
Subject Tiles & Lattice HOWTO
Date Sun, 03 May 2015 13:52:43 GMT

Can anyone point me to a short summary of how to construct and use the "tiles" model parameter
in Calcite? The slides at http://www.slideshare.net/julianhyde/calcite-stratany2014 <http://www.slideshare.net/julianhyde/calcite-stratany2014>
are intriguing, but I can't find any video of the presentation.

And does it require a specific pre-existing star schema, or can it be used with any arbitrary
schema? Skimming core/src/main/java/org/apache/calcite/materialize/Lattice.java it looks like
the CARDINALITY_MAP constant is hardwired to the foodmart database.


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