[[["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 AggregationQuery.AggregationOrBuilder (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.AggregationQuery.AggregationOrBuilder)\n- [2.31.1](/java/docs/reference/google-cloud-datastore/2.31.1/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.30.0](/java/docs/reference/google-cloud-datastore/2.30.0/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.29.1](/java/docs/reference/google-cloud-datastore/2.29.1/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.28.2](/java/docs/reference/google-cloud-datastore/2.28.2/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.27.1](/java/docs/reference/google-cloud-datastore/2.27.1/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.26.4](/java/docs/reference/google-cloud-datastore/2.26.4/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.25.2](/java/docs/reference/google-cloud-datastore/2.25.2/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.24.3](/java/docs/reference/google-cloud-datastore/2.24.3/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.23.0](/java/docs/reference/google-cloud-datastore/2.23.0/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.22.0](/java/docs/reference/google-cloud-datastore/2.22.0/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.21.3](/java/docs/reference/google-cloud-datastore/2.21.3/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.20.2](/java/docs/reference/google-cloud-datastore/2.20.2/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.19.2](/java/docs/reference/google-cloud-datastore/2.19.2/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.18.5](/java/docs/reference/google-cloud-datastore/2.18.5/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder)\n- [2.17.6](/java/docs/reference/google-cloud-datastore/2.17.6/com.google.datastore.v1.AggregationQuery.AggregationOrBuilder) \n\n public static interface AggregationQuery.AggregationOrBuilder 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### getAlias()\n\n public abstract String getAlias()\n\nOptional. Optional name of the property to store the result of the\naggregation.\n\nIf not provided, Datastore will pick a default name following the format\n`property_\u003cincremental_id++\u003e`. For example:\n\n\\``\nAGGREGATE\nCOUNT_UP_TO(1) AS count_up_to_1,\nCOUNT_UP_TO(2),\nCOUNT_UP_TO(3) AS count_up_to_3,\nCOUNT(*)\nOVER (\n...\n);\n`\n\n`\n`\n\n` becomes:`\n`\n`\n\n` ``\nAGGREGATE\nCOUNT_UP_TO(1) AS count_up_to_1,\nCOUNT_UP_TO(2) AS property_1,\nCOUNT_UP_TO(3) AS count_up_to_3,\nCOUNT(*) AS property_2\nOVER (\n...\n);\n`\\`\n\nRequires:\n\n- Must be unique across all aggregation aliases.\n- Conform to entity property name limitations.\n\n`string alias = 7 [(.google.api.field_behavior) = OPTIONAL];`\n\n### getAliasBytes()\n\n public abstract ByteString getAliasBytes()\n\nOptional. Optional name of the property to store the result of the\naggregation.\n\nIf not provided, Datastore will pick a default name following the format\n`property_\u003cincremental_id++\u003e`. For example:\n\n\\``\nAGGREGATE\nCOUNT_UP_TO(1) AS count_up_to_1,\nCOUNT_UP_TO(2),\nCOUNT_UP_TO(3) AS count_up_to_3,\nCOUNT(*)\nOVER (\n...\n);\n`\n\n`\n`\n\n` becomes:`\n`\n`\n\n` ``\nAGGREGATE\nCOUNT_UP_TO(1) AS count_up_to_1,\nCOUNT_UP_TO(2) AS property_1,\nCOUNT_UP_TO(3) AS count_up_to_3,\nCOUNT(*) AS property_2\nOVER (\n...\n);\n`\\`\n\nRequires:\n\n- Must be unique across all aggregation aliases.\n- Conform to entity property name limitations.\n\n`string alias = 7 [(.google.api.field_behavior) = OPTIONAL];`\n\n### getAvg()\n\n public abstract AggregationQuery.Aggregation.Avg getAvg()\n\nAverage aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Avg avg = 3;`\n\n### getAvgOrBuilder()\n\n public abstract AggregationQuery.Aggregation.AvgOrBuilder getAvgOrBuilder()\n\nAverage aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Avg avg = 3;`\n\n### getCount()\n\n public abstract AggregationQuery.Aggregation.Count getCount()\n\nCount aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Count count = 1;`\n\n### getCountOrBuilder()\n\n public abstract AggregationQuery.Aggregation.CountOrBuilder getCountOrBuilder()\n\nCount aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Count count = 1;`\n\n### getOperatorCase()\n\n public abstract AggregationQuery.Aggregation.OperatorCase getOperatorCase()\n\n### getSum()\n\n public abstract AggregationQuery.Aggregation.Sum getSum()\n\nSum aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Sum sum = 2;`\n\n### getSumOrBuilder()\n\n public abstract AggregationQuery.Aggregation.SumOrBuilder getSumOrBuilder()\n\nSum aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Sum sum = 2;`\n\n### hasAvg()\n\n public abstract boolean hasAvg()\n\nAverage aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Avg avg = 3;`\n\n### hasCount()\n\n public abstract boolean hasCount()\n\nCount aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Count count = 1;`\n\n### hasSum()\n\n public abstract boolean hasSum()\n\nSum aggregator.\n\n`.google.datastore.v1.AggregationQuery.Aggregation.Sum sum = 2;`"]]
