ContinuumIO/blaze — pull request #722 by mrocklin (2014-10-09 20:46:12+00:00)
Title: Bcolz loads into memory

If a result is less than a gigabyte then just shove it into a numpy array (which will, in turn, shove things into `DataFrame`s if necessary).

cc @jreback @cpcloud

Builds off of #721. So this PR should become a lot simpler once that's merged.