Aggregations

An opt-in per-resource endpoint returning server-side count / sum / avg / min / max, optionally grouped by a field value, a date bucket or a numeric range.

It reuses the list's filter backend, so every filter valid on /admin/<resource> is valid on /admin/<resource>/aggregate too — a chart and the list beneath it can be driven by one filter set.

Pages

Page	What it covers
Enabling the aggregate endpoint	Turning it on for a resource
Field aggregation whitelist	Which fields may be aggregated and grouped
Querying the endpoint	The request and response format
Extending aggregate functions	Adding a function of your own

caution

The feature is off by default and every field has to be whitelisted explicitly. The whitelist is not a convenience — it is what keeps a caller from aggregating over columns you never meant to expose.

See also

• Dashboard — the flags a resource needs to appear in widgets
• Dashboard widgets — which widget types need this endpoint
• Filtering and searching — the filters this shares