MarkLogic 12 Product Documentationordt:mask-random
ordt:mask-random( $column as item(), $options as map:map? ) as map:map
Summary
This function redacts a column with string values by replacing each value with random masking text. The same value may produce a different masked value every time the value is redacted. You can control characteristics such as the character set for the masked value. This function can be used with op:bind or op:select.
| Parameters | |
|---|---|
| $column | The name of the column to be redacted. This can be either a string or the return value from op:col, op:view-col, or op:schema-col. |
| $options | The options for masking the value the column. |
Usage Notes
The options consist of the following properties:
- character: one of
any(the default),mixedCase,mixedCaseNumeric,lowerCase,lowerCaseNumeric,upperCase,upperCaseNumeric, ornumeric. - length: generates a masked value of the specified length.
Example
xquery version "1.0-ml";
import module namespace op="http://marklogic.com/optic"
at "/MarkLogic/optic.xqy";
import module namespace ordt="http://marklogic.com/optic/redaction"
at "/MarkLogic/optic/optic-redaction.xqy";
op:from-view("main", "employees")
=> op:bind((
ordt:mask-random(op:schema-col("main", "employees", "FirstName"), map:entry("character","mixedCase")),
ordt:mask-random(op:schema-col("main", "employees", "LastName"), map:entry("character","mixedCase"))
))
=> op:result()
Example
xquery version "1.0-ml";
import module namespace op="http://marklogic.com/optic"
at "/MarkLogic/optic.xqy";
import module namespace ordt="http://marklogic.com/optic/redaction"
at "/MarkLogic/optic/optic-redaction.xqy";
op:from-view("main", "employees")
=> op:select((
ordt:mask-random(op:schema-col("main", "employees", "FirstName"), map:entry("character","mixedCase")),
ordt:mask-random(op:schema-col("main", "employees", "LastName"), map:entry("character","mixedCase"))
))
=> op:result()
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