I wonder if I can extract this data from the RecordBatch? any ideas?
Regards
Shadi KhalifaPhD CandidateSchool of Computing Queen's University Canada
I'm just a neuron in the society collective brain
01001001 00100000 01101100 01101111 01110110 01100101 00100000 01000101
01100111 01111001 01110000 01110100
P Please consider your environmental responsibility before printing this e-mail
On Tuesday, March 31, 2015 1:16 PM, Jacques Nadeau <[email protected]>
wrote:
It isn't yet supported but is something I think a lot of people would find
useful. Depending on how ambitious you are, maybe you could pick it up?
On Tue, Mar 31, 2015 at 10:05 AM, Shadi Khalifa <[email protected]>
wrote:
> Hello everyone,
> I wonder if there is a way to send a variable number (Array) of attributes
> (columns) to a custom user defined aggregate function.
> I want to be able to have something like:Select myAggrFn(col1,col2,...,
> coln) from mytable;
>
> I wonder if there is something like the following or anything else that
> can handle this case:@FunctionTemplate(name = "myAggrFn", scope =
> FunctionTemplate.FunctionScope.POINT_AGGREGATE)public static class
> MyAggrFnimplements DrillAggFunc{ @Param ObjectHolder[] in;
>
> I know it's weird to have a function like that, but I'm implementing
> machine learning into Drill and need to pass some columns or maybe the
> whole row to the aggregate function to train and use the model.
> Regards
> Shadi KhalifaPhD CandidateSchool of Computing Queen's University Canada
> I'm just a neuron in the society collective brain
>
> 01001001 00100000 01101100 01101111 01110110 01100101 00100000 01000101
> 01100111 01111001 01110000 01110100
> P Please consider your environmental responsibility before printing this
> e-mail
>
>
