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Posted to issues@flink.apache.org by "Zhenqiu Huang (JIRA)" <ji...@apache.org> on 2017/07/13 19:59:00 UTC

[jira] [Created] (FLINK-7179) Projectable ProjectableTableSource interface doesn't compatible with BoundedOutOfOrdernessTimestampExtractor

Zhenqiu Huang created FLINK-7179:
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             Summary: Projectable ProjectableTableSource interface doesn't compatible with BoundedOutOfOrdernessTimestampExtractor
                 Key: FLINK-7179
                 URL: https://issues.apache.org/jira/browse/FLINK-7179
             Project: Flink
          Issue Type: Bug
          Components: Table API & SQL
    Affects Versions: 1.3.1
            Reporter: Zhenqiu Huang


In the implementation of window of stream sql, BoundedOutOfOrdernessTimestampExtractor is designed to extract row time from each row. It assumes the ts field is in the data stream by default. On the other hand, ProjectableTableSource is designed to help projection push down. If there is no row time related field in a query, the extractor can't function well. 









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