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Posted to dev@ranger.apache.org by "Velmurugan Periasamy (JIRA)" <ji...@apache.org> on 2017/03/19 22:15:41 UTC

[jira] [Updated] (RANGER-1054) Enhance column masking feature to support custom value/expression

     [ https://issues.apache.org/jira/browse/RANGER-1054?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Velmurugan Periasamy updated RANGER-1054:
-----------------------------------------
    Fix Version/s: 0.6.0

> 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
>             Fix For: 0.6.0
>
>         Attachments: RANGER-1054.patch
>
>
> 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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