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62 lines
2.5 KiB
Protocol Buffer
62 lines
2.5 KiB
Protocol Buffer
// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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syntax = "proto3";
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package google.datastore.v1;
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import "google/datastore/v1/entity.proto";
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import "google/datastore/v1/query.proto";
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import "google/protobuf/timestamp.proto";
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option csharp_namespace = "Google.Cloud.Datastore.V1";
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option go_package = "cloud.google.com/go/datastore/apiv1/datastorepb;datastorepb";
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option java_multiple_files = true;
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option java_outer_classname = "AggregationResultProto";
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option java_package = "com.google.datastore.v1";
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option php_namespace = "Google\\Cloud\\Datastore\\V1";
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option ruby_package = "Google::Cloud::Datastore::V1";
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// The result of a single bucket from a Datastore aggregation query.
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//
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// The keys of `aggregate_properties` are the same for all results in an
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// aggregation query, unlike entity queries which can have different fields
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// present for each result.
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message AggregationResult {
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// The result of the aggregation functions, ex: `COUNT(*) AS total_entities`.
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//
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// The key is the
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// [alias][google.datastore.v1.AggregationQuery.Aggregation.alias] assigned to
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// the aggregation function on input and the size of this map equals the
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// number of aggregation functions in the query.
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map<string, Value> aggregate_properties = 2;
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}
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// A batch of aggregation results produced by an aggregation query.
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message AggregationResultBatch {
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// The aggregation results for this batch.
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repeated AggregationResult aggregation_results = 1;
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// The state of the query after the current batch.
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// Only COUNT(*) aggregations are supported in the initial launch. Therefore,
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// expected result type is limited to `NO_MORE_RESULTS`.
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QueryResultBatch.MoreResultsType more_results = 2;
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// Read timestamp this batch was returned from.
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//
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// In a single transaction, subsequent query result batches for the same query
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// can have a greater timestamp. Each batch's read timestamp
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// is valid for all preceding batches.
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google.protobuf.Timestamp read_time = 3;
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}
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