Drill (MEP 6.3.0) Release Notes

This section provides reference information for fixes in Drill

The following release note applies to the version of the Drill component:
Important: This release note describes only the issues resolved since the release note. For a listing of resolved issues, see Drill (MEP 6.2.0) Release Notes.
Release Date December 2019
MapR Version Interoperability See Component Versions for Released MEPs.
Package Names Navigate to https://package.mapr.com/releases/MEP/, and select your MEP and OS to view the list of package names, for example:
  • mapr-drill-
  • mapr-drill-internal-
  • mapr-drill-yarn-

Resolved Issues

Drill provides the following resolved issues and improvements:

Apache Drill Issue MapR Tracking Number Description
DRILL-7453 MD-5936 Updated the JODA-Time API to ensure correct time zone info
DRILL-7417 MD-5914 Add user logged in/out events in info-level logs
DRILL-7391 MD-5895 Wrong result when doing left outer join on CSV table
DRILL-6711 N/A Use jetpack repository for Drill Calcite project artifact
DRILL-7373 MD-5534 Fix problems reading from DICT type
DRILL-7096 MD-5534 Develop vector for canonical Map<K,V>
DRILL-7376 N/A Drill ignores Hive schema for MaprDB tables when group scan has star column
DRILL-7341 N/A Vector reAlloc can fail after exchange
DRILL-7369 MD-5801 Schema for MaprDB tables is not used when several fields are queried
DRILL-7338 MD-5262 REST API calls to Drill fail dure to insufficient heap memory
DRILL-7313 MD-5801 Query on a Hive external table in MaprDB fails while reading vector
DRILL-7250 MD-5707 Query with CTE fails when its name matches the table name without access
DRILL-7237 MD-5732 Fix single_value aggregate function for variable length types
DRILL-7050 MD-5732 RexNode convert exception in sub-query


Older versions of Drill, such as Drill 1.10.0, supported the HBase plug-in, but Drill versions 1.11.0 through 1.16.0.x do not support querying HBase tables.