[GitHub] [incubator-seatunnel] TyrantLucifer commented on a diff in pull request #4504: [Improve][core/transformv2]flink transform v2 use richflatmap instead flatmap

["TyrantLucifer (via GitHub)" <gi...@apache.org>]

TyrantLucifer commented on code in PR #4504:
URL: https://github.com/apache/incubator-seatunnel/pull/4504#discussion_r1162272062


##########
seatunnel-core/seatunnel-flink-starter/seatunnel-flink-starter-common/src/main/java/org/apache/seatunnel/core/starter/flink/execution/TransformExecuteProcessor.java:
##########
@@ -120,7 +121,19 @@ protected DataStream<Row> flinkTransform(SeaTunnelTransform transform, DataStrea
                 new FlinkRowConverter(transform.getProducedType());
         DataStream<Row> output =
                 stream.flatMap(
-                        new FlatMapFunction<Row, Row>() {
+                        new RichFlatMapFunction<Row, Row>() {
+                            @Override
+                            public void open(Configuration parameters) throws Exception {
+                                super.open(parameters);

Review Comment:
   Why add this? Could you please explain the meaning of this?



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