Ben Becker 2013-10-23, 21:35
Jacques Nadeau 2013-10-23, 21:51
-Re: Extending the expression tree materializer
Ben Becker 2013-10-23, 23:25
VectorAccessible worked great; thanks!
On Wed, Oct 23, 2013 at 2:51 PM, Jacques Nadeau <[EMAIL PROTECTED]> wrote:
> Steven actually added an interface for this purpose in his latest DRILL-230
> patch called VectorAccessible. If you want to base on top of his branch,
> you should probably be good to go.
> On Wed, Oct 23, 2013 at 2:35 PM, Ben Becker <[EMAIL PROTECTED]> wrote:
> > The expression tree materializer currently works by looking up a
> > in a RecordBatch to get the corresponding ValueVector.
> > I'd like to allow for similar functionality, but substituting the
> > RecordBatch with a RecordBatchLoader. Note that both classes already
> > implement the required getValueVectorId(SchemaPath) method.
> > It seems there are several ways to make this work (generics, additional
> > interface, additional materializer, etc.), but the most appropriate
> > solution is not obvious to me. What's the best way to go about this?
> > Thanks,
> > Ben