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Posted to dev@flink.apache.org by "Jingsong Lee (Jira)" <ji...@apache.org> on 2020/02/19 09:05:00 UTC

[jira] [Created] (FLINK-16161) Statistics zero should be unknown in HiveCatalog

Jingsong Lee created FLINK-16161:
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             Summary: Statistics zero should be unknown in HiveCatalog
                 Key: FLINK-16161
                 URL: https://issues.apache.org/jira/browse/FLINK-16161
             Project: Flink
          Issue Type: Bug
          Components: Connectors / Hive
            Reporter: Jingsong Lee
             Fix For: 1.10.1


In hive, treat statistics zero as unknown, but in Flink HiveCatalog, treat zero as real value.

This lead wrong inputs to CBO.

Previous discussed in [https://github.com/apache/flink/pull/10380]



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