ContinuumIO/blaze — pull request #652 by mrocklin (2014-09-19 11:03:19+00:00)
Title: Even more SQL fixes

In particular this improves the generation of Summary objects on top of other selections and then cleans up the generation of By's using these.

A lot of good would be had if we found a simple answer to this http://stackoverflow.com/questions/25914329/rearrange-columns-in-sqlalchemy-select-object