[GitHub] [zeppelin] alexott commented on a change in pull request #3481: [ZEPPELIN-4375]. Add more flink tutorial notes

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alexott commented on a change in pull request #3481: [ZEPPELIN-4375]. Add more flink tutorial notes
URL: https://github.com/apache/zeppelin/pull/3481#discussion_r334947060
 
 

 ##########
 File path: docs/interpreter/flink.md
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 @@ -166,15 +171,39 @@ Zeppelin will create 4 variables to represent flink's entrypoint:
 * `stenv`   (StreamTableEnvironment) 
 * `btenv`   (BatchTableEnvironment)
 
+## Flink Planner
+
+Starting from Flink 1.9, there're 2 planners supported by Flink's table api: flink & blink.
+* If you want to use DataSet api, then please use flink planner (specify `zeppelin.flink.planner` to `flink`).
+* In other cases, we would always recommend you to use blink planner which is also the default value of `zeppelin.flink.planner`.
+
+## How to use Hive
+
+In order to use Hive in Flink, you have to do several setting.
+* Set `zeppelin.flink.enableHive` to `true`
+* Copy necessary dependencies to flink's lib folder, check this [link](https://ci.apache.org/projects/flink/flink-docs-release-1.9/dev/table/hive/#depedencies) for more details 
+  * flink-connector-hive_{scala_version}-{flink.version}.jar
+  * flink-hadoop-compatibility_{scala_version}-{flink.version}.jar
+  * flink-shaded-hadoop-2-uber-{hadoop.version}-{flink-shaded.version}.jar
+  * hive-exec-2.x.jar (for Hive 1.x, you need to copy hive-exec-1.x.jar, hive-metastore-1.x.jar, libfb303-0.9.2.jar and libthrift-0.9.2.jar)
 
 Review comment:
   should we use verbatim for file names, like, it's done for `zeppelin-env.sh` ?

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