Madhan Neethiraj created RANGER-1054:
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Summary: Enhance column masking feature to support custom
value/expression
Key: RANGER-1054
URL: https://issues.apache.org/jira/browse/RANGER-1054
Project: Ranger
Issue Type: Bug
Components: plugins
Affects Versions: 0.6.0
Reporter: Madhan Neethiraj
Assignee: Madhan Neethiraj
Column-masking feature supports a number of masking types - like
mask/mask_first_4/mask_last_4/mask_show_first_4/.. Adding support to enable
custom value or expression can make this feature easily extendable, to address
various use cases. For example:
{noformat}
- to show only first 4 digits of ccn field, the expression would be
'substr({col}, 0, 4)'
- to show only last 4 digits of ccn field, the expression would be
'substr({col}, length({col} - 3)'
{noformat}
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