Class PredefinedExpression (0.7.0) 

PredefinedExpression(value)

The available masking rules. Learn more here: https://cloud.google.com/bigquery/docs/column-data-masking-intro#masking_options.

    - STRING: ""
    - BYTES: b''
    - INTEGER: 0
    - FLOAT: 0.0
    - NUMERIC: 0
    - BOOLEAN: FALSE
    - TIMESTAMP: 0001-01-01 00:00:00 UTC
    - DATE: 0001-01-01
    - TIME: 00:00:00
    - DATETIME: 0001-01-01T00:00:00
    - GEOGRAPHY: POINT(0 0)
    - BIGNUMERIC: 0
    - ARRAY: []
    - STRUCT: NOT_APPLICABLE
    - JSON: NULL

Enums
Name Description
PREDEFINED_EXPRESSION_UNSPECIFIED Default, unspecified predefined expression. No masking will take place since no expression is specified.
SHA256 Masking expression to replace data with SHA-256 hash.
ALWAYS_NULL Masking expression to replace data with NULLs.
DEFAULT_MASKING_VALUE Masking expression to replace data with their default masking values. The default masking values for each type listed as below: