CardinalityAggregation
org.sagebionetworks.repo.model.search.dsl.CardinalityAggregation
A cardinality metric aggregation — an approximate distinct-value count of a column.
| Field | Type | Description |
|---|---|---|
| missing | OBJECT | Optional. Value substituted for documents missing field. |
| field | STRING | Required. The column whose distinct values are counted. |
| precision_threshold | INTEGER | Optional. Count below which the result is near-exact, trading memory for accuracy. Capped server-side. |
| execution_hint | STRING | Optional. Internal execution strategy hint. |