kl0u opened a new pull request #6449: [FLINK-9994][DataStream API] IntervalJoinOp Context#getTimestamp() returns max timestamp. URL: https://github.com/apache/flink/pull/6449 ## What is the purpose of the change Although the `Context.getTimestamp()` in the `IntervalJoinOperator` should return the max timestamp between the elements in the joined pair, it currently returns the one of the "left" element. This is a remain from past versions of the code, as the timestamp of the collector is correctly updated to the max timestamp between the ones in the matched pair. ## Brief change log The main change is in the `collect(T1 left, T2 right, long leftTimestamp, long rightTimestamp)` of the `InternalJoinOperator`. ## Verifying this change The tests that were testing this behavior were wrong and they are now fixed. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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