uwescience / myria-web

Web frontend for Myria
https://demo.myria.cs.washington.edu
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Add a checkbox for push_sql groupby #309

Open bmyerz opened 8 years ago

bmyerz commented 8 years ago

Flag=true would indicate that Raco should push groupby into postgres for Myria. See https://github.com/uwescience/raco/pull/501.

We would turn this on always, except that prior performance profiling showed that grouping is sometimes faster in Myria than in Postgres. One reason for Raco 501 (pushing group by into SQL) was memory problems, rather than performance.