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Posted to issues@beam.apache.org by "Yueyang Qiu (Jira)" <ji...@apache.org> on 2019/09/11 18:26:00 UTC

[jira] [Closed] (BEAM-8126) HllCount needs to handle null sketches properly

     [ https://issues.apache.org/jira/browse/BEAM-8126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yueyang Qiu closed BEAM-8126.
-----------------------------
    Fix Version/s: 2.16.0
       Resolution: Fixed

> HllCount needs to handle null sketches properly
> -----------------------------------------------
>
>                 Key: BEAM-8126
>                 URL: https://issues.apache.org/jira/browse/BEAM-8126
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-core
>            Reporter: Yueyang Qiu
>            Assignee: Yueyang Qiu
>            Priority: Minor
>             Fix For: 2.16.0
>
>
> BigQuery uses `null` to represent result of aggregations of empty input. We need to make sure `null` sketches are handled properly in Beam and users have a smooth end-to-end experience using BigQuery's `HLL_COUNT` in conjunction with Beam's `HllCount`.



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