BigQuery: 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 API reference. Note that not all aggregation functions are available for all data types.

Fetch aggregated data of an object

Example: Fetch a list of articles with aggregated data of their rating:

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Query Variables

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Note

The query field will be of the format <dataset_name>_<table_name>.

Fetch aggregated data on nested objects

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

Example: Fetch author with id "1" and a nested list of articles with aggregated data of their rating:

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