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Posted to issues@kylin.apache.org by "Zhichao Zhang (Jira)" <ji...@apache.org> on 2020/10/19 08:03:00 UTC

[jira] [Created] (KYLIN-4791) Throws exception 'UnsupportedOperationException: empty.reduceLeft' when there are cast expressions in the filters of FilePruner

Zhichao  Zhang created KYLIN-4791:
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             Summary: Throws exception 'UnsupportedOperationException: empty.reduceLeft' when there are cast expressions in the filters of FilePruner
                 Key: KYLIN-4791
                 URL: https://issues.apache.org/jira/browse/KYLIN-4791
             Project: Kylin
          Issue Type: Bug
          Components: Query Engine, Spark Engine
    Affects Versions: v4.0.0-alpha
            Reporter: Zhichao  Zhang
            Assignee: Zhichao  Zhang
             Fix For: v4.0.0-beta


When execute function 'pruneSegments' of FilePruner, if there are some cast expressions in filter, it will throw exception 'UnsupportedOperationException: empty.reduceLeft'.



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