Hi again, What version of Drill are you using?
Regards, - Stefán On Wed, Mar 23, 2016 at 4:49 PM, Stefán Baxter <ste...@activitystream.com> wrote: > Hi Johannes, > > As great as Drill is the Avro plugin has been a source of frustration for > us @activitystream. > > We have a small UDF library [1] (apache licensed) which contains a > function can return an array (List<String>) from Avro as a CSV list. > > You could use that to roll your own or provide me with a small sample and > I can create a custom flatten function for you. > > The best would be to wait for a fix but this can potentially get you out > of a rough spot. > > [1] https://github.com/activitystream/asdrill > > Regards, > -Stefán > > On Wed, Mar 23, 2016 at 9:05 AM, Johannes Schulte < > johannes.schu...@gmail.com> wrote: > >> Hi, >> >> when trying to read simple avro arrays with select flatten(array) from >> dfs... i get the exception >> >> SQL Query Error: SYSTEM ERROR: ClassCastException: Cannot cast >> org.apache.drill.exec.vector.complex.MapVector to >> org.apache.drill.exec.vector.complex.RepeatedValueVector >> ^ >> >> The type of the array is said to be <UnknownType (2,002)> >> >> Is this the expected behaviour? The documentation mostly talsk about json >> and parquet complex types and i wonder if the avro storage plugin behaves >> differently. >> >> Thanks, >> >> Johannes >> > >
