On Wed, Jun 18, 2014 at 6:07 PM, Dmitriy Lyubimov <[email protected]> wrote:
> in simple terms, if non-integer row keying is used anywhere, it tries to > rewrite pipelines so that product orientations never require non-int keys > to denote columns. In case pipeline makes it impossible, optimizer will > refuse to produce a plan. > > e.g. suppose A is distributed string-keyed. > > (A.t %.% A) collect // ok > What happens with the important case of B.t %.% A where both A and B are string keyed?
