Object-valued System Attributes
The following system attributes are some examples of the object-valued system attributes:
- Context
- "Column Histogram"
- "Column Statistics"
- "Data Profiling"
- "Data Sampling"
- "Workflow Assignees" in the SELECT
The examples in the previous section show such values in Json format. The schema of the objects Entity, SemanticEntity, DataSample, DataProfile, DataProfile_Statistics, DataProfile_Histogram, and Grantee, etc. are defined in the MM REST API documentation.
When used in the WHERE clause, the filters with the object-valued system attributes can only be ANDed with other filters and only be used with the EXISTS and NOT EXISTS operators.