[GitHub] yanghua commented on a change in pull request #6426: [FLINK-9958][DataSet] Fix potential NPE for delta iteration of DataSet

2018-07-27 Thread GitBox
yanghua commented on a change in pull request #6426: [FLINK-9958][DataSet] Fix potential NPE for delta iteration of DataSet URL: https://github.com/apache/flink/pull/6426#discussion_r205757315 ## File path:

[GitHub] yanghua commented on a change in pull request #6426: [FLINK-9958][DataSet] Fix potential NPE for delta iteration of DataSet

2018-07-27 Thread GitBox
yanghua commented on a change in pull request #6426: [FLINK-9958][DataSet] Fix potential NPE for delta iteration of DataSet URL: https://github.com/apache/flink/pull/6426#discussion_r205757372 ## File path:

[GitHub] yanghua commented on a change in pull request #6426: [FLINK-9958][DataSet] Fix potential NPE for delta iteration of DataSet

2018-07-27 Thread GitBox
yanghua commented on a change in pull request #6426: [FLINK-9958][DataSet] Fix potential NPE for delta iteration of DataSet URL: https://github.com/apache/flink/pull/6426#discussion_r205757372 ## File path:

[GitHub] yanghua commented on a change in pull request #6426: [FLINK-9958][DataSet] Fix potential NPE for delta iteration of DataSet

2018-07-27 Thread GitBox
yanghua commented on a change in pull request #6426: [FLINK-9958][DataSet] Fix potential NPE for delta iteration of DataSet URL: https://github.com/apache/flink/pull/6426#discussion_r205757315 ## File path: