Fang-Yu Rao created IMPALA-9746:
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Summary: Some masking options result in IllegalStateException
Key: IMPALA-9746
URL: https://issues.apache.org/jira/browse/IMPALA-9746
Project: IMPALA
Issue Type: Bug
Reporter: Fang-Yu Rao
Some masking options would result in IllegalStateException.
For example, in Ranger's web UI, if we create a column masking policy with the
Select Masking Option of "Hash", we will encounter an
{{IllegalStateException}}. To create a column masking policy that masks the
column via a hash function, currently a user has to create a column masking
policy with Select Masking Option of "Custom" and expression equal to
"mask_hash({col})". There are similar problems for the Select Masking Options
of "Partial mask: show last 4" and "Date: show only year" as well.
It would be easier for a user to just select a desired masking option described
above instead of having to create a custom masking option and fill out the
expression manually.
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