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From Bryan Pendleton <bpendleton.de...@gmail.com>
Subject Re: Data Compression for Query Processing
Date Tue, 20 Sep 2011 14:51:15 GMT
> Since the compression is attribute level. can someone help to locate the
> places where i need to add the compression(insert query) and
> decompression(select query) codes?

What about writing your compression routines as user-defined data types?

http://db.apache.org/derby/docs/10.8/devguide/cdevspecialudt.html

Then, you can build some benchmarks that explore both the space utilization
and the system overhead, with and without the use of your data types, in
a very straighforward fashion.

thanks,

bryan

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