sum static method

ModelAggregateQuery<AsyncAggregateValue<double>> sum(
  1. String key
)

Query to output the total value of the fields in key of the documents in the collection.

コレクションのドキュメントのkeyのフィールドの合計値を出力するためのクエリ。

Implementation

static ModelAggregateQuery<AsyncAggregateValue<double>> sum(String key) {
  return ModelAggregateQuery<AsyncAggregateValue<double>>._(
    key: key,
    type: ModelAggregateQueryType.sum,
    onCreate: (query, collection, onFinished) {
      return AsyncAggregateValue<double>._(
        query: query,
        collection: collection,
        onFinished: onFinished,
      );
    },
  );
}