Drill 1.14.0-1901 (EEP 6.0.1) Release Notes
This section provides reference information for fixes in Drill 1.14.0-1901.
The following release notes apply to the 1.14.0-1901 version of the Drill component:
Version | 1.14.0-1901 |
Release Date | February 2019 |
MapR Version Interoperability | See Component Versions for Released EEPs. |
Package Names |
Navigate to https://package.ezmeral.hpe.com/releases/MEP/, and select your MEP and OS
to view the list of package names, for example:
|
Fixes
Drill 1.14.0-1901 provides the following fixes:
Fix Tracking Number | Description |
MD-5379 | DRILL-7018: Fixed Parquet buffer overflow when reading timestamp column. |
MD-5272 | DRILL-6969: Drill no longer returns inconsistent results when reading MapR Database JSON tables using hive plugin when the native reader is enabled. |
MD-5257 | DRILL-6942: Sort query profiles by duration in the Drill Web UI under Profiles tab. |
MD-5062 | DRILL-6664: Drill returns the same results for queries on the same column of a Parquet table with the same predicate. |
MD-5019 | DRILL-6797: Drill aggregation queries that use custom UDF to split column data in a Parquet file no longer fail with a compilation error if the filter criteria results in no rows. |
MD-5014 | DRILL-6776: The Drill Web UI page source no longer has links to external sites. |
MD-5008 |
Drill can leverage indexes for queries with ORDER BY DESC on indexed columns; for example, if a secondary index is defined on column a, Drill leverages the index for the query: SELECT a FROM t ORDER BY a DESC; |
MD-5002 | DRILL-6764: Queries no longer fail with IndexOutOfBoundsException when UNNEST references a deep nested field, like t.c_orders.o_lineitems. |
MD-5001 |
DRILL-6766: Queries with LATERAL UNNEST no longer return the following system error when one batch of streaming aggregates is split across multiple output batches: IllegalStateException: Unexpected case where rowId [] in right batch of lateral is smaller than rowId [] in left batch being processed. |
MD-4938 | The option planner.index.covering_selectivity_threshold takes effect in execution plan when set to values < 1.0 for complex data. |
MD-4936 | DRILL-6773: Queries, with column aliases, that returned inconsistent results after a Drill patch was applied no longer return inconsistent results. |
MD-4902 | Complex secondary index plans are parallelized when queries have AND conditions. |
MD-4851 | Drill queries on MapRDB JSON tables no longer fail on schema change when the only distinct values are null and text. |
MD-4780 | DRILL-6746: Queries no longer hang when one of the nodes encounters a connection error. |
Known Issues and Limitations
None.