Forming JDBC Connection Strings for Spark SQL
A JDBC URL connection string supplies connection information to the JDBC data source. Connection strings for the Spark SQL JDBC driver have the following format:
jdbc:hive2://<host>:<port>/<dbName>;<sessionConfs>?<hiveConfs>#<hiveVars>
| JDBC Parameter | Description |
|---|---|
host | The node hosting the Thrift Server |
port | The port number on which the Thrift Server listens |
dbName | The name of the Hive database to run the query against |
sessionConfs | Optional configuration parameters for the JDBC or ODBC driver in the following
format: <key1>=<value1>;<key2>=<key2>...; |
hiveConfs |
Optional configuration parameters for Hive on the server in the following
format: These settings last for the duration of the user session. |
hiveVars |
Optional configuration parameters for Hive variables in the following format:
These settings persist for the duration of the user session. |
![[Note]](../common/images/admon/note.png) | Note |
|---|---|
The Spark Thrift server is a variant of HiveServer2, so you can use many of the same settings. For more information about JDBC connection strings, including transport and security settings, see Hive JDBC and ODBC Drivers in the HDP Data Access Guide. |
The following connection string example accesses Spark SQL through JDBC on a Kerberos-enabled cluster:
beeline> !connect jdbc:hive2://localhost:10002/default;httpPath=/;principal=hive/hdp-team.example.com@EXAMPLE.COM
The following connection string example accesses Spark SQL through JDBC over HTTP transport on a Kerberos-enabled cluster:
beeline> !connect jdbc:hive2://localhost:10002/default;transportMode=http;httpPath=/;principal=hive/hdp-team.example.com@EXAMPLE.COM