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Very early prototype of ExplainOptions for Datastore
This is just an attempt at the shape of things. Still to do: - Naming! - Documentation - Testing - We can refactor a lot of other code to use AdvancedQuery - Aggregation queries - Transactions (hopefully put transaction ID support into AdvancedQuery and then just add overloads)
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apis/Google.Cloud.Datastore.V1/Google.Cloud.Datastore.V1/AdvancedQuery.cs
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| // Copyright 2024 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"): | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| using System; | ||
| using System.Collections; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
| using static Google.Cloud.Datastore.V1.ReadOptions.Types; | ||
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| namespace Google.Cloud.Datastore.V1; | ||
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| /// <summary> | ||
| /// Prototype only! | ||
| /// </summary> | ||
| public class AdvancedQuery | ||
| { | ||
| /// <summary> | ||
| /// | ||
| /// </summary> | ||
| public GqlQuery GqlQuery { get; set; } | ||
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| /// <summary> | ||
| /// | ||
| /// </summary> | ||
| public Query Query { get; set; } | ||
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| /// <summary> | ||
| /// | ||
| /// </summary> | ||
| public ExplainOptions ExplainOptions { get; set; } | ||
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| /// <summary> | ||
| /// | ||
| /// </summary> | ||
| public ReadConsistency? ReadConsistency { get; set; } | ||
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| internal RunQueryRequest ToRequest(string projectId, string databaseId, PartitionId partitionId) | ||
| { | ||
| var request = new RunQueryRequest | ||
| { | ||
| ProjectId = projectId, | ||
| DatabaseId = databaseId, | ||
| PartitionId = partitionId, | ||
| ReadOptions = GetReadOptions(ReadConsistency), | ||
| ExplainOptions = ExplainOptions | ||
| }; | ||
| // TODO: Validation of exactly one being set, or make the properties behave like a oneof. | ||
| if (GqlQuery is not null) | ||
| { | ||
| request.GqlQuery = GqlQuery; | ||
| } | ||
| if (Query is not null) | ||
| { | ||
| request.Query = Query; | ||
| } | ||
| return request; | ||
| } | ||
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| private static ReadOptions GetReadOptions(ReadConsistency? readConsistency) => | ||
| readConsistency == null ? null : new ReadOptions { ReadConsistency = readConsistency.Value }; | ||
| } |
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