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Version: v3.x (DDN)

Aggregation Queries

Aggregate fields

You can fetch aggregations on columns along with nodes using an aggregation query.

The name of the aggregate field is of the form <field-name>Aggregate.

Common aggregation functions are count, sum, avg, max, min, etc. You can see the complete specification of the aggregate field in the metadata reference. Note that not all aggregation functions are available for all data types.

Fetch aggregated data of an object

Example: Fetch a list of posts with aggregated data:

Fetch aggregated data on nested objects

The following is an example of a nested object query with aggregations on the array relationship between a user and posts.

Example: Fetch user with an id of 1 and a nested list of posts with aggregated data: