Chetan, Can you post the sample query you are running? Drill inferred a particular column type to be "NullableVarChar". However for a particular record it encountered a float. So is there a schema change in any one of the columns?
- Rahul On Fri, Jul 8, 2016 at 5:07 AM, Chetan Jayaram <[email protected]> wrote: > Dear Drill Support, > > I recently installed Apache Drill on my laptop and tried connecting to an > existing mongodb collection. > > > i completed the steps listed out in > https://drill.apache.org/docs/mongodb-plugin-for-apache-drill/ > > everything worked well , in sense i can see the collections etc. but when i > execute a SQL query on the collection i get the below error message: > > Query Failed: An Error > Occurredorg.apache.drill.common.exceptions.UserRemoteException: > SYSTEM ERROR: IllegalArgumentException: You tried to write a Float8 type > when you are using a ValueWriter of type NullableVarCharWriterImpl. > Fragment 0:0 [Error Id: 3069c00b-bc4d-40b5-aab3-b28aae9dce3b on > BNGECO-L-99768.asia-pac.shell.com:31010] > > > > kindly help. > > regards > Chetan >
