[[["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,["# Interface AggregationQueryOrBuilder (2.31.2)\n\nVersion latestkeyboard_arrow_down\n\n- [2.31.2 (latest)](/java/docs/reference/google-cloud-datastore/latest/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.31.1](/java/docs/reference/google-cloud-datastore/2.31.1/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.30.0](/java/docs/reference/google-cloud-datastore/2.30.0/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.29.1](/java/docs/reference/google-cloud-datastore/2.29.1/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.28.2](/java/docs/reference/google-cloud-datastore/2.28.2/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.27.1](/java/docs/reference/google-cloud-datastore/2.27.1/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.26.4](/java/docs/reference/google-cloud-datastore/2.26.4/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.25.2](/java/docs/reference/google-cloud-datastore/2.25.2/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.24.3](/java/docs/reference/google-cloud-datastore/2.24.3/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.23.0](/java/docs/reference/google-cloud-datastore/2.23.0/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.22.0](/java/docs/reference/google-cloud-datastore/2.22.0/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.21.3](/java/docs/reference/google-cloud-datastore/2.21.3/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.20.2](/java/docs/reference/google-cloud-datastore/2.20.2/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.19.2](/java/docs/reference/google-cloud-datastore/2.19.2/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.18.5](/java/docs/reference/google-cloud-datastore/2.18.5/com.google.datastore.v1.AggregationQueryOrBuilder)\n- [2.17.6](/java/docs/reference/google-cloud-datastore/2.17.6/com.google.datastore.v1.AggregationQueryOrBuilder) \n\n public interface AggregationQueryOrBuilder extends MessageOrBuilder\n\nImplements\n----------\n\n[MessageOrBuilder](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.MessageOrBuilder.html)\n\nMethods\n-------\n\n### getAggregations(int index)\n\n public abstract AggregationQuery.Aggregation getAggregations(int index)\n\nOptional. Series of aggregations to apply over the results of the\n`nested_query`.\n\nRequires:\n\n- A minimum of one and maximum of five aggregations per query.\n\n`\nrepeated .google.datastore.v1.AggregationQuery.Aggregation aggregations = 3 [(.google.api.field_behavior) = OPTIONAL];\n`\n\n### getAggregationsCount()\n\n public abstract int getAggregationsCount()\n\nOptional. Series of aggregations to apply over the results of the\n`nested_query`.\n\nRequires:\n\n- A minimum of one and maximum of five aggregations per query.\n\n`\nrepeated .google.datastore.v1.AggregationQuery.Aggregation aggregations = 3 [(.google.api.field_behavior) = OPTIONAL];\n`\n\n### getAggregationsList()\n\n public abstract List\u003cAggregationQuery.Aggregation\u003e getAggregationsList()\n\nOptional. Series of aggregations to apply over the results of the\n`nested_query`.\n\nRequires:\n\n- A minimum of one and maximum of five aggregations per query.\n\n`\nrepeated .google.datastore.v1.AggregationQuery.Aggregation aggregations = 3 [(.google.api.field_behavior) = OPTIONAL];\n`\n\n### getAggregationsOrBuilder(int index)\n\n public abstract AggregationQuery.AggregationOrBuilder getAggregationsOrBuilder(int index)\n\nOptional. Series of aggregations to apply over the results of the\n`nested_query`.\n\nRequires:\n\n- A minimum of one and maximum of five aggregations per query.\n\n`\nrepeated .google.datastore.v1.AggregationQuery.Aggregation aggregations = 3 [(.google.api.field_behavior) = OPTIONAL];\n`\n\n### getAggregationsOrBuilderList()\n\n public abstract List\u003c? extends AggregationQuery.AggregationOrBuilder\u003e getAggregationsOrBuilderList()\n\nOptional. Series of aggregations to apply over the results of the\n`nested_query`.\n\nRequires:\n\n- A minimum of one and maximum of five aggregations per query.\n\n`\nrepeated .google.datastore.v1.AggregationQuery.Aggregation aggregations = 3 [(.google.api.field_behavior) = OPTIONAL];\n`\n\n### getNestedQuery()\n\n public abstract Query getNestedQuery()\n\nNested query for aggregation\n\n`.google.datastore.v1.Query nested_query = 1;`\n\n### getNestedQueryOrBuilder()\n\n public abstract QueryOrBuilder getNestedQueryOrBuilder()\n\nNested query for aggregation\n\n`.google.datastore.v1.Query nested_query = 1;`\n\n### getQueryTypeCase()\n\n public abstract AggregationQuery.QueryTypeCase getQueryTypeCase()\n\n### hasNestedQuery()\n\n public abstract boolean hasNestedQuery()\n\nNested query for aggregation\n\n`.google.datastore.v1.Query nested_query = 1;`"]]
