sunjincheng121 commented on a change in pull request #7121: [FLINK-9555]Support
table api in scala shell
URL: https://github.com/apache/flink/pull/7121#discussion_r238935139
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File path:
flink-scala-shell/src/main/scala/org/apache/flink/api/scala/FlinkILoop.scala
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@@ -243,22 +257,29 @@ class FlinkILoop(
F L I N K - S C A L A - S H E L L
-NOTE: Use the prebound Execution Environments to implement batch or streaming
programs.
+NOTE: Use the prebound Execution Environments and Table Environment to
implement batch or streaming programs.
- Batch - Use the 'benv' variable
+ Batch - Use the 'benv' and 'btenv' variable
* val dataSet = benv.readTextFile("/path/to/data")
* dataSet.writeAsText("/path/to/output")
* benv.execute("My batch program")
+ *
+ * val batchTable = btenv.fromDataSet(dataSet)
+ * btenv.registerTable("tableName", batchTable)
+ * val result = btenv.sqlQuery("SELECT * FROM tableName").collect
+ HINT: You can use print() on a DataSet to print the contents and collect()
+ a sql query result back to the shell.
Review comment:
`contents and collect()` -> `contents or collect()` ?
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