==============================================================================
Simba Drill JDBC Data Connector Release Notes 
============================================================================== 

The release notes provide details of enhancements, features, known issues, and
workflow changes in Simba Drill JDBC Connector 1.6.14.1002, as well as the 
version history. 


1.6.14.1002  =================================================================
  
Released 2024-07-17

Resolved Issues
The following issue has been resolved in Simba Drill JDBC Connector 
1.6.14.1002.

 * [DRILLJ-555] The connector has unusable dependencies and pom.xml file.
   

Known Issues 
The following are known issues that you may encounter due to limitations in 
the data source, the connector, or an application. 

 * Parameterized queries are not supported.
 
   You cannot use queries that contain parameters.
   
 * On Windows, the connector returns an error when attempting to connect to a
   local ZooKeeper quorum.
   
   To resolve this issue, add the IP address of the ZooKeeper quorum to the 
   Windows hosts file. The connector is then able to connect to the local 
   ZooKeeper quorum successfully.


Workflow Changes =============================================================

The following changes may disrupt established workflows for the connector. 


1.6.6 -----------------------------------------------------------------------

 * [DRILLJ-358] Updated class loading 
 
   Beginning with this release, the driver adds support for JDBC 4.2 and
   removes support for the old class names, com.simba.drill.jdbc41.Driver
   and com.simba.drill.jdbc41.DataSource. Any connection that you have
   configured using the jdbc41 specific class names must be updated. The new
   class names are: com.simba.drill.jdbc.Driver and
   com.simba.drill.jdbc.DataSource.

 * [DRILLJ-300] Java Runtime Environment version

   Beginning with this release, the driver supports JRE 8 only. Any
   connections that you have configured using JRE 7 or earlier must be updated
   to use JRE 8 instead.


Version History ==============================================================

1.6.14.1000 ------------------------------------------------------------------
  
Released 2024-03-04

Enhancements & New Features

 * [DRILLJ-483][DRILLJ-506] Updated third-party libraries
 
   The connector has been upgraded with the following third-party libraries:
   - Apache Drill Java Client 9.2.1 (previously 8.1.0)
   - Jackson-annotations 2.15.3 (previously 2.12.2)
   - Jackson-core 2.15.3 (previously 2.12.2)
   - Jackson-databind 2.15.3 (previously 2.12.2.2)
   - Netty 4.1.100 Final (previously 4.1.77 Final)


1.6.11.1006 ------------------------------------------------------------------
  
Released 2022-03-29

Enhancements & New Features

 * [DRILLJ-468][DRILLJ-474][DRILLJ-475][DRILLJ-476] Updated third-party 
   libraries
 
   The connector now uses the following versions of these third-party 
   libraries:
   - Netty version 4.1.73-Final (previously 4.1.68-Final)
   - Log4j version 2.17.1 (previously 1.2.17)
   - MapR version 1.16.1.400-eep-810 (previously 1.16.1.200-mapr-710)

1.6.10.1003 ------------------------------------------------------------------
  
Released 2021-12-15

Enhancements & New Features

 * [DRILLJ-419] Updated Netty library

   The connector has been updated to use version 4.1.59.Final of the Netty 
   library. Previously the connector used version 4.1.49.Final).
   

1.6.10 -----------------------------------------------------------------------
  
Released 2021-10-20

Enhancements & New Features

 * [DRILLJ-465][DRILLJ-419][DRILLJ-469] Updated third-party libraries

   The connector has been updated to use the following libraries:
   - Apache Drill Java Client 1.16.1.200 (previously 1.16.0.106)
   - Google Protobuf 3.11.1 (previously 2.5.0)
   - Netty 4.1.49.Final (previously 4.0.48.Final) 


1.6.8 ------------------------------------------------------------------------
  
Released 2021-06-30

Enhancements & New Features

* [DRILLJ-460] Updated Apache Drill support

   The Apache Drill Java Client has been upgraded to version 1.16.0.106.  


1.6.7 ------------------------------------------------------------------------
  
Released 2021-04-07

Enhancements & New Features

* [DRILLJ-446][DRILLJ-452] Updated third-party libraries

   The connector now uses the following versions of these third-party 
   libraries:
   - antlr-runtime 4.9.2 (previously 3.5.2)
   - commons-lang 3.11 (previously 3.3.2)
   - commons-codec 1.15 (previously 1.10)
   - google-guava 30.1-jre (previously 29.0)
   - jackson 2.12.2 (previously 2.10.1)
   - java assist 3.27.0-GA (previously 3.247.0-GA)
   - metrics 4.1.18 (previously 4.0.2)
   - reflections 0.9.12 (previously 0.9.10)
   - typesafe 1.4.1 (previously 1.2.1)


Resolved Issues
The following issue has been resolved in Simba Drill JDBC Connector 1.6.7. 

 * [DRILLJ-445] When you execute a non-SELECT statement, the connector 
   returns a ClassCastException.


==============================================================================