0f1d4ec0e0
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88 lines
3.2 KiB
Markdown
88 lines
3.2 KiB
Markdown
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<div align=center>
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</div>
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# Access Kyuubi with Hive JDBC and ODBC Drivers
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## Instructions
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Kyuubi does not provide its own JDBC Driver so far,
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as it is fully compatible with Hive JDBC and ODBC drivers that let you connect to popular Business Intelligence (BI) tools to query,
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analyze and visualize data though Spark SQL engines.
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## Install Hive JDBC
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For programing, the easiest way to get `hive-jdbc` is from [the maven central](https://mvnrepository.com/artifact/org.apache.hive/hive-jdbc). For example,
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- **maven**
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```xml
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<dependency>
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<groupId>org.apache.hive</groupId>
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<artifactId>hive-jdbc</artifactId>
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<version>2.3.8</version>
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</dependency>
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```
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- **sbt**
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```scala
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libraryDependencies += "org.apache.hive" % "hive-jdbc" % "2.3.8"
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```
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- **gradle**
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```gradle
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implementation group: 'org.apache.hive', name: 'hive-jdbc', version: '2.3.8'
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```
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For BI tools, please refer to [Quick Start](../quick_start/index.html) to check the guide for the BI tool used.
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If you find there is no specific document for the BI tool that you are using, don't worry, the configuration part for all BI tools are basically the same.
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Also, we will appreciate if you can help us to improve the document.
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## JDBC URL
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JDBC URLs have the following format:
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```
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jdbc:hive2://<host>:<port>/<dbName>;<sessionConfs>?<sparkConfs>#<[spark|hive]Vars>
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```
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JDBC Parameter | Description
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---------------| -----------
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host | The cluster node hosting Kyuubi Server.
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port | The port number to which is Kyuubi Server listening.
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dbName | Optional database name to set the current database to run the query against, use `default` if absent.
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sessionConfs | Optional `Semicolon(;)` separated `key=value` parameters for the JDBC/ODBC driver. All of these will be set to the engine by `SparkSession.conf` which only accepts [Runtime SQL Configurations](http://spark.apache.org/docs/latest/configuration.html#runtime-sql-configuration);
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sparkConfs | Optional `Semicolon(;)` separated `key=value` parameters for Kyuubi server to create the corresponding engine, dismissed if engine exists.
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[spark|hive]Vars | Optional `Semicolon(;)` separated `key=value` parameters for Spark/Hive variables used for variable substitution.
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## Example
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```
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jdbc:hive2://localhost:10009/default;spark.sql.adaptive.enabled=true?spark.ui.enabled=false#var_x=y
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```
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## Unsupported Hive Features
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- Connect to HiveServer2 using HTTP transport. ```transportMode=http```
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