[GitHub] [flink] KurtYoung commented on a change in pull request #9761: [FLINK-14031][examples][table]Added the blink planner dependency and …

[GitBox <gi...@apache.org>]

KurtYoung commented on a change in pull request #9761: [FLINK-14031][examples][table]Added the blink planner dependency and …
URL: https://github.com/apache/flink/pull/9761#discussion_r327914514
 
 

 ##########
 File path: flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/StreamSQLExample.java
 ##########
 @@ -42,9 +47,24 @@
 
 	public static void main(String[] args) throws Exception {
 
+		final ParameterTool params = ParameterTool.fromArgs(args);
+		String planner = params.has("planner") ? params.get("planner") : "flink";
+
 		// set up execution environment
 		StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
-		StreamTableEnvironment tEnv = StreamTableEnvironment.create(env);
+		StreamTableEnvironment tEnv;
+		if (Objects.equals(planner, "blink")) {	// use blink planner in streaming mode
+			EnvironmentSettings settings = EnvironmentSettings.newInstance()
+				.useBlinkPlanner()
+				.inStreamingMode()
+				.build();
+			tEnv = StreamTableEnvironment.create(env, settings);
+		} else if (Objects.equals(planner, "flink")){	// use flink planner in streaming mode
+			tEnv = StreamTableEnvironment.create(env);
+		} else {
+			System.err.println("The planner is incorrect. Please use --planner to specify planner type.");
 
 Review comment:
   Could you explain it more clearly in this error message that you have use either `flink` planner or `blink` planner?

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services