zjffdu 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_r236504524
##########
File path:
flink-scala-shell/src/main/scala/org/apache/flink/api/scala/FlinkILoop.scala
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@@ -243,22 +254,22 @@ 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.sqlQuery("SELECT * FROM tableName")
HINT: You can use print() on a DataSet to print the contents to the shell.
- Streaming - Use the 'senv' variable
+ Streaming - Use the 'senv' and 'stenv' variable
* val dataStream = senv.fromElements(1, 2, 3, 4)
* dataStream.countWindowAll(2).sum(0).print()
* senv.execute("My streaming program")
-
+ * val streamTable = stenv.sqlQuery("SELECT * FROM tableName")
HINT: You can only print a DataStream to the shell in local mode.
Review comment:
Add hint of how to see the table output in scala-shell
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