[jira] [Work started] (HIVE-22699) Mask UDFs should mask numeric value 0

["Quanlong Huang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-22699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-22699 started by Quanlong Huang.
---------------------------------------------
> 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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