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Posted to dev@impala.apache.org by Thomas Tauber-Marshall <tm...@cloudera.com> on 2017/03/06 16:31:03 UTC

Sort Expr Materialization

I'm working on a patch to materialize sort exprs, both for performance and
to fix a crash, and because theres a number of issues to consider, I've put
together a brief design doc, if anyone would like to look it over and make
suggestions:

https://docs.google.com/document/d/1tBTOzMqW53w1WSYMnqGGyPWVp1hgZGRyQVDmXsHXtTY/edit?usp=sharing

Thanks,
Thomas