public final class UpdatingTopCityExample extends Object
The example shows how to declare a table using SQL DDL for reading bounded, insert-only data and how to handle updating results in streaming mode. It should give a first impression about Flink SQL as a changelog processor. The example uses some streaming operations that produce a stream of updates. See the other examples for pure CDC processing and more complex operations.
In particular, the example shows how to
The example executes two Flink jobs. The results are written to stdout.
Note: Make sure to include the SQL CSV format when submitting this example to Flink (e.g. via command line). This step is not necessary when executing the example in an IDE.
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