$sum - Upstash Documentation

$sum computes the total of a field across matching documents.

If missing is set, missing fields contribute that fallback value.

Field must be FAST.

Argument	Type	Required	Description
`field`	`string`	Yes	Field to aggregate.
`missing`	`number`	No	Fallback value for missing fields.

await index.aggregate({  aggregations: {    total_price: { $sum: { field: "price", missing: 0 } },  },});

index.aggregate(    aggregations={"total_price": {"$sum": {"field": "price", "missing": 0}}})

SEARCH.AGGREGATE products '{}' '{"total_price": {"$sum": {"field": "price", "missing": 0}}}'

{ "total_price": { "value": 360 } }

value can be null when no values are available.