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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/08/12 04:56:01 UTC

[GitHub] [flink] shuiqiangchen commented on a change in pull request #13119: [FLINK-18885][python] Add partitioning interfaces for Python DataStre…

shuiqiangchen commented on a change in pull request #13119:
URL: https://github.com/apache/flink/pull/13119#discussion_r469004707



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File path: flink-python/pyflink/datastream/data_stream.py
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@@ -563,6 +654,27 @@ def key_by(self, key_selector: Union[Callable, KeySelector],
                key_type_info: TypeInformation = None) -> 'KeyedStream':
         return self._origin_stream.key_by(key_selector, key_type_info)
 
+    def union(self, *streams) -> 'DataStream':
+        return self._values().union(*streams)

Review comment:
       Yes, it's a critical issue that would affect the correctness of DAG, I will fix it in [this JIRA](https://issues.apache.org/jira/browse/FLINK-18878).




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