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https://issues.apache.org/jira/browse/HIVE-22699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-22699 started by Quanlong Huang.
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> Mask UDFs should mask numeric value 0
> -------------------------------------
>
> Key: HIVE-22699
> URL: https://issues.apache.org/jira/browse/HIVE-22699
> Project: Hive
> Issue Type: Bug
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Major
>
> These queries all return 0:
> {code:java}
> select mask(0);
> select mask_first_n(0);
> select mask_last_n(0);
> select mask_show_first_n(0, 0);
> select mask_show_last_n(0, 0);{code}
> According to the doc, they should return 1.
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