[jira] [Created] (FLINK-19319) Deprecate StreamExecutionEnvironment.setStreamTimeCharacteristic()

[Shang Yuanchun (Jira)]

Aljoscha Krettek created FLINK-19319:
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             Summary: Deprecate StreamExecutionEnvironment.setStreamTimeCharacteristic()
                 Key: FLINK-19319
                 URL: https://issues.apache.org/jira/browse/FLINK-19319
             Project: Flink
          Issue Type: Sub-task
          Components: API / DataStream
            Reporter: Aljoscha Krettek


After FLINK-19317 and FLINK-19318 we don't need this setting anymore. Using (explicit) processing-time windows and processing-time timers work fine in a program that has {{EventTime}} set as a time characteristic and once we deprecate {{timeWindow()}} there are not other operations that change behaviour depending on the time characteristic so there's no need to ever change from the new default of event-time. Similarly, the {{IngestionTime}} setting can be achieved in the future by providing an ingestion-time {{WatermarkStrategy}}.



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