> ## Documentation Index
> Fetch the complete documentation index at: https://paradedb-ankitml-legacy-docs-remove.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Stats

> Compute several metrics at once

The stats aggregation returns the count, sum, min, max, and average all at once.

```sql theme={null}
SELECT pdb.agg('{"stats": {"field": "rating"}}') FROM mock_items
WHERE id @@@ pdb.all();
```

```ini Expected Response theme={null}
                                      agg
--------------------------------------------------------------------------------
 {"avg": 3.8536585365853657, "max": 5.0, "min": 1.0, "sum": 158.0, "count": 41}
(1 row)
```

See the [Tantivy documentation](https://docs.rs/tantivy/latest/tantivy/aggregation/metric/struct.StatsAggregation.html) for all available options.