[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Firestore in Datastore mode V1 API - Class Google::Cloud::Datastore::V1::AggregationQuery (v1.4.1)\n\nVersion latestkeyboard_arrow_down\n\n- [1.4.1 (latest)](/ruby/docs/reference/google-cloud-datastore-v1/latest/Google-Cloud-Datastore-V1-AggregationQuery)\n- [1.4.0](/ruby/docs/reference/google-cloud-datastore-v1/1.4.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [1.3.1](/ruby/docs/reference/google-cloud-datastore-v1/1.3.1/Google-Cloud-Datastore-V1-AggregationQuery)\n- [1.2.0](/ruby/docs/reference/google-cloud-datastore-v1/1.2.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [1.1.0](/ruby/docs/reference/google-cloud-datastore-v1/1.1.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [1.0.1](/ruby/docs/reference/google-cloud-datastore-v1/1.0.1/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.19.0](/ruby/docs/reference/google-cloud-datastore-v1/0.19.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.18.0](/ruby/docs/reference/google-cloud-datastore-v1/0.18.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.17.0](/ruby/docs/reference/google-cloud-datastore-v1/0.17.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.16.3](/ruby/docs/reference/google-cloud-datastore-v1/0.16.3/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.15.0](/ruby/docs/reference/google-cloud-datastore-v1/0.15.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.14.0](/ruby/docs/reference/google-cloud-datastore-v1/0.14.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.13.1](/ruby/docs/reference/google-cloud-datastore-v1/0.13.1/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.12.0](/ruby/docs/reference/google-cloud-datastore-v1/0.12.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.11.1](/ruby/docs/reference/google-cloud-datastore-v1/0.11.1/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.10.0](/ruby/docs/reference/google-cloud-datastore-v1/0.10.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.9.0](/ruby/docs/reference/google-cloud-datastore-v1/0.9.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.8.0](/ruby/docs/reference/google-cloud-datastore-v1/0.8.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.7.0](/ruby/docs/reference/google-cloud-datastore-v1/0.7.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.6.0](/ruby/docs/reference/google-cloud-datastore-v1/0.6.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.5.0](/ruby/docs/reference/google-cloud-datastore-v1/0.5.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.4.0](/ruby/docs/reference/google-cloud-datastore-v1/0.4.0/Google-Cloud-Datastore-V1-AggregationQuery)\n- [0.3.5](/ruby/docs/reference/google-cloud-datastore-v1/0.3.5/Google-Cloud-Datastore-V1-AggregationQuery) \nReference documentation and code samples for the Firestore in Datastore mode V1 API class Google::Cloud::Datastore::V1::AggregationQuery.\n\nDatastore query for running an aggregation over a\n[Query](/ruby/docs/reference/google-cloud-datastore-v1/latest/Google-Cloud-Datastore-V1-Query \"Google::Cloud::Datastore::V1::Query (class)\"). \n\nInherits\n--------\n\n- Object \n\nExtended By\n-----------\n\n- Google::Protobuf::MessageExts::ClassMethods \n\nIncludes\n--------\n\n- Google::Protobuf::MessageExts\n\nMethods\n-------\n\n### #aggregations\n\n def aggregations() -\u003e ::Array\u003c::Google::Cloud::Datastore::V1::AggregationQuery::Aggregation\u003e\n\n**Returns**\n\n- (::Array\\\u003c[::Google::Cloud::Datastore::V1::AggregationQuery::Aggregation](./Google-Cloud-Datastore-V1-AggregationQuery-Aggregation)\\\u003e) ---\n\n Optional. Series of aggregations to apply over the results of the\n `nested_query`.\n\n Requires:\n - A minimum of one and maximum of five aggregations per query.\n\n### #aggregations=\n\n def aggregations=(value) -\u003e ::Array\u003c::Google::Cloud::Datastore::V1::AggregationQuery::Aggregation\u003e\n\n**Parameter**\n\n- **value** (::Array\\\u003c[::Google::Cloud::Datastore::V1::AggregationQuery::Aggregation](./Google-Cloud-Datastore-V1-AggregationQuery-Aggregation)\\\u003e) ---\n\n Optional. Series of aggregations to apply over the results of the\n `nested_query`.\n\n Requires:\n- A minimum of one and maximum of five aggregations per query. \n**Returns**\n\n- (::Array\\\u003c[::Google::Cloud::Datastore::V1::AggregationQuery::Aggregation](./Google-Cloud-Datastore-V1-AggregationQuery-Aggregation)\\\u003e) ---\n\n Optional. Series of aggregations to apply over the results of the\n `nested_query`.\n\n Requires:\n - A minimum of one and maximum of five aggregations per query.\n\n### #nested_query\n\n def nested_query() -\u003e ::Google::Cloud::Datastore::V1::Query\n\n**Returns**\n\n- ([::Google::Cloud::Datastore::V1::Query](./Google-Cloud-Datastore-V1-Query)) --- Nested query for aggregation\n\n### #nested_query=\n\n def nested_query=(value) -\u003e ::Google::Cloud::Datastore::V1::Query\n\n**Parameter**\n\n- **value** ([::Google::Cloud::Datastore::V1::Query](./Google-Cloud-Datastore-V1-Query)) --- Nested query for aggregation \n**Returns**\n\n- ([::Google::Cloud::Datastore::V1::Query](./Google-Cloud-Datastore-V1-Query)) --- Nested query for aggregation"]]
