Drill 1.10.0-1707 Release Notes

This section provides reference information, including new features, patches, known issues, and limitations for Drill 1.10.0-1707.

The following release notes apply to the 1.10.0 version of the Apache Drill component included in the MapR Converged Data Platform.

Version 1.10.0
Release Date August 2017
MapR Version Interoperability See MEP Components and OS Support, Interoperability Matrix, and Drill Support Matrix.
Package Names Package Names for MapR Expansion Packs (MEPs)

New in this Release

No new features in this release.

Patches

This release of Drill on MapR includes the following patches. For complete details, refer to the commit log for this project in GitHub.

MapR Patch Description
MD-1970 Querying MapR Database JSON with Drill no longer produces an ArrayIndexOutOfBoundException.
MD-2273 Drill no longer returns IndexOutofBound errors when reading CSV files.
DRILL-5590 Drill no longer returns an IndexOutOfBoundsException when a text file contains more than 4,096 rows.
DRILL-5498 The CSV reader can handle duplicate column header names.
DRILL-5599 Queries no longer stay in the CANCELLATION_REQUESTED state after a connection with the client is interrupted.
MD-2050 Drill correctly calculates the number of rows and creates an optimal query plan.
DRILL-5496 You do not have to restart drillbits when a secure Hive metastore is restarted.
DRILL-5399 Running multiple queries concurrently no longer produces an UNSUPPORTED_OPERATION ERROR.
DRILL-5516 Drill optimizes memory usage for the HBase reader.
DRILL-5419 Drill now calculates the return string length for literals and certain string functions.
MD-1671, MD-1631 Drill no longer hangs or reports errors when retrieving schemas as the Hive server restarts.
DRILL-5424 Queries that apply reverse functions on tables with long varchars no longer fail with IndexOutOfBoundsException errors.
DRILL-5413, DRILL-4678, DRILL-4347 Drill is updated with version of 1.4.0-drill-r21 Calcite.

Known Issues and Limitations

No known issues or limitations in this release.

Resolved Issues

No resolved issues in this release.