Quanlong Huang created HIVE-22699:
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Summary: 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
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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