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test: add tests for dotnet
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‎.github/workflows/spanner-lib-tests.yml

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@@ -2,6 +2,9 @@ on:
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push:
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branches: [ main ]
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pull_request:
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permissions:
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contents: read
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pull-requests: write
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name: Spanner Lib Tests
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jobs:
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test:
@@ -37,3 +40,32 @@ jobs:
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- name: Build shared lib
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working-directory: spannerlib
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run: go build -o spannerlib.so -buildmode=c-shared
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test-dotnet:
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runs-on: ubuntu-latest
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steps:
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- name: Install Go
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uses: actions/setup-go@v5
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with:
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go-version: 1.24
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Build shared lib
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working-directory: spannerlib
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run: go build -o spannerlib.so -buildmode=c-shared
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- name: Copy lib to dotnet folder
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working-directory: spannerlib
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run: |
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mkdir -p dotnet-spannerlib/Google.Cloud.SpannerLib/runtimes/linux-x64/native
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cp spannerlib.so dotnet-spannerlib/Google.Cloud.SpannerLib/runtimes/linux-x64/native/spannerlib.so
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- name: Install dotnet
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uses: actions/setup-dotnet@v4
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- name: Restore dependencies
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run: dotnet restore
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working-directory: spannerlib/dotnet-spannerlib
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- name: Build
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run: dotnet build --no-restore
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working-directory: spannerlib/dotnet-spannerlib
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- name: Unit Tests
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working-directory: spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib.Tests
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run: dotnet test --no-build --verbosity normal

‎go.mod

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toolchain go1.24.4
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replace cloud.google.com/go/spanner => /Users/loite/GolandProjects/google-cloud-go/spanner
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require (
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cloud.google.com/go v0.121.2
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cloud.google.com/go/longrunning v0.6.7
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cloud.google.com/go/spanner v1.82.0
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cloud.google.com/go/spanner v1.82.1-0.20250625132714-fe377af799f0
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github.com/golang/protobuf v1.5.4
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github.com/google/go-cmp v0.7.0
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github.com/google/uuid v1.6.0

‎go.sum

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cloud.google.com/go/spanner v1.45.0/go.mod h1:FIws5LowYz8YAE1J8fOS7DJup8ff7xJeetWEo5REA2M=
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cloud.google.com/go/spanner v1.82.0 h1:w9uO8RqEoBooBLX4nqV1RtgudyU2ZX780KTLRgeVg60=
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cloud.google.com/go/spanner v1.82.0/go.mod h1:BzybQHFQ/NqGxvE/M+/iU29xgutJf7Q85/4U9RWMto0=
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cloud.google.com/go/spanner v1.82.1-0.20250625132714-fe377af799f0 h1:JpZinZY/JMrWJAPoSVt08CwfCFkzMt2WWTjtlrnHc9Y=
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cloud.google.com/go/spanner v1.82.1-0.20250625132714-fe377af799f0/go.mod h1:QSWcjxszT0WRHNd8zyGI0WctrYA1N7j0yTFsWyol9Yw=
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cloud.google.com/go/speech v1.6.0/go.mod h1:79tcr4FHCimOp56lwC01xnt/WPJZc4v3gzyT7FoBkCM=
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cloud.google.com/go/speech v1.7.0/go.mod h1:KptqL+BAQIhMsj1kOP2la5DSEEerPDuOP/2mmkhHhZQ=
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cloud.google.com/go/speech v1.8.0/go.mod h1:9bYIl1/tjsAnMgKGHKmBZzXKEkGgtU+MpdDPTE9f7y0=

‎spannerlib/dotnet-spannerlib/.gitignore

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bin/
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obj/
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packages/
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*.suo
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.nuget/
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TestResults/
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*TestResults.xml
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*sponge_log.xml
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*.csproj.user
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.idea/
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*.iml
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PublishProfiles/
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*.sln.DotSettings.user
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.vs/
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*~
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*.xproj.user
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project.lock.json
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.vscode/
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secrets.ps1
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google_application_credentials.json
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**/Properties/launchSettings.json
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**/wwwroot/lib/
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**/kmsCipher.key
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/tmpB19A.tmp
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/dlp/tmp6849.tmp
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env/
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applications/liftAndShiftPetshop/PrecompiledWeb/
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applications/liftAndShiftPetshop/Web/
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*.leu
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.cr/
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BenchmarkDotNet.Artifacts
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.DS_Store
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!spannerlib.so

‎spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib.Tests/BasicTests.cs

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namespace Google.Cloud.SpannerLib.Tests;
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public class BasicTests
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{
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[SetUp]
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public void Setup()
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{
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}
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[Test]
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public void TestCreatePool()
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{
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var pool = Spanner.CreatePool("projects/my-project/instances/my-instance/databases/my-database");
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Spanner.ClosePool(pool);
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}
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}

‎spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib.Tests/Google.Cloud.SpannerLib.Tests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net9.0</TargetFramework>
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<LangVersion>latest</LangVersion>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="coverlet.collector" Version="6.0.2"/>
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0"/>
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<PackageReference Include="NUnit" Version="4.2.2"/>
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<PackageReference Include="NUnit.Analyzers" Version="4.4.0"/>
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<PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
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</ItemGroup>
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<ItemGroup>
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<Using Include="NUnit.Framework"/>
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\Google.Cloud.SpannerLib\Google.Cloud.SpannerLib.csproj" />
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</ItemGroup>
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</Project>

‎spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib/ErrorCode.cs

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namespace SpannerDriver
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{
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public enum ErrorCode
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{
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/// <summary>The operation was cancelled.</summary>
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Cancelled = 1,
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/// <summary>
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/// Unknown error. This may happen if an internal error occured or
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/// not enough information was obtained to produce a useful message.
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/// </summary>
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Unknown = 2,
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/// <summary>
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/// A bad SQL statement or other invalid input was sent to Spanner.
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/// </summary>
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InvalidArgument = 3,
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/// <summary>
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/// A timeout has occurred. A <see cref="T:Google.Cloud.Spanner.Data.SpannerTransaction" /> should be
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/// retried if this error is encountered.
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/// </summary>
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DeadlineExceeded = 4,
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/// <summary>
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/// The given resource (Spanner Instance, Database, Table) was not
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/// found.
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/// </summary>
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NotFound = 5,
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/// <summary>
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/// The given resource could be not created because it already exists.
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/// </summary>
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AlreadyExists = 6,
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/// <summary>
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/// The supplied credential from <see cref="P:Google.Cloud.Spanner.Data.SpannerConnectionStringBuilder.CredentialFile" />
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/// or from default application credentials does not have sufficient permission for the request.
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/// </summary>
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PermissionDenied = 7,
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/// <summary>
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/// A resource associated with Spanner has been exhausted. This may occur due to a server-side
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/// failure, or due to the local maximum number of sessions being reached.
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/// </summary>
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ResourceExhausted = 8,
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/// <summary>
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/// Operation was rejected because the system is not in a state required for the
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/// operation's execution.
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/// </summary>
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FailedPrecondition = 9,
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/// <summary>
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/// The operation was aborted due to transient issue such as competing transaction
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/// resources. A <see cref="T:Google.Cloud.Spanner.Data.SpannerTransaction" /> should be retried if this error
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/// is encountered.
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/// </summary>
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Aborted = 10, // 0x0000000A
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/// <summary>The operation attempted to read past the valid range.</summary>
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OutOfRange = 11, // 0x0000000B
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/// <summary>
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/// Operation is not implemented or not supported/enabled in this service.
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/// </summary>
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Unimplemented = 12, // 0x0000000C
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/// <summary>Internal error.</summary>
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Internal = 13, // 0x0000000D
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/// <summary>
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/// The service is currently unavailable. This is a most likely a transient condition
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/// and may be corrected by retrying. A <see cref="T:Google.Cloud.Spanner.Data.SpannerTransaction" /> should be
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/// retried if this error is encountered.
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/// </summary>
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Unavailable = 14, // 0x0000000E
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/// <summary>Unrecoverable data loss or corruption.</summary>
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DataLoss = 15, // 0x0000000F
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/// <summary>
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/// There is no supplied credential either through default application credentials or
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/// directly through <see cref="P:Google.Cloud.Spanner.Data.SpannerConnectionStringBuilder.CredentialFile" />
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/// </summary>
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Unauthenticated = 16, // 0x00000010
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}
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}

‎spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib/Google.Cloud.SpannerLib.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netstandard2.1</TargetFramework>
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<Nullable>enable</Nullable>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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<LangVersion>9</LangVersion>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Google.Cloud.Spanner.V1" Version="5.1.0" />
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</ItemGroup>
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<ItemGroup>
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<Content CopyToOutputDirectory="PreserveNewest" Include="runtimes/osx-arm/native/spannerlib.dylib" Link="spannerlib" Pack="true" PackagePath="runtimes/osx-arm/native/spannerlib.dylib" />
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<Content CopyToOutputDirectory="PreserveNewest" Include="runtimes/linux-x64/native/spannerlib.so" Link="spannerlib" Pack="true" PackagePath="runtimes/linux-x64/native/spannerlib.so" />
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<Content CopyToOutputDirectory="PreserveNewest" Include="runtimes/linux-arm/native/spannerlib.so" Link="spannerlib" Pack="true" PackagePath="runtimes/linux-arm/native/spannerlib.so" />
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</ItemGroup>
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</Project>

‎spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib/Internal/GoSlice.cs

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using System;
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using System.Runtime.InteropServices;
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namespace Google.Cloud.SpannerLib.Internal
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{
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internal class DisposableGoSlice : IDisposable
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{
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private readonly GCHandle? _handle;
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internal GoSlice GoSlice { get; }
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internal static DisposableGoSlice Create(byte[]? value)
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{
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var (handle, length, capacity) = Pin(value);
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return new DisposableGoSlice(handle,
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new GoSlice(handle?.AddrOfPinnedObject() ?? IntPtr.Zero, length, capacity));
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}
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private DisposableGoSlice(GCHandle? handle, GoSlice goSlice)
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{
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_handle = handle;
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GoSlice = goSlice;
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}
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private static (GCHandle?, int, int) Pin(byte[]? value)
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{
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if (value is null)
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{
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return (null, 0, 0);
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}
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var length = value.Length;
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var handle = GCHandle.Alloc(value, GCHandleType.Pinned);
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return (handle, length, length);
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}
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public void Dispose()
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{
39+
_handle?.Free();
40+
}
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}
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internal struct GoSlice
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{
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public IntPtr Pointer;
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public long Length;
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public long Capacity;
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internal GoSlice(IntPtr pointer, long length, long capacity)
51+
{
52+
Pointer = pointer;
53+
Length = length;
54+
Capacity = capacity;
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}
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}
58+
}

‎spannerlib/dotnet-spannerlib/Google.Cloud.SpannerLib/Internal/GoString.cs

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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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5+
namespace Google.Cloud.SpannerLib.Internal
6+
{
7+
8+
internal unsafe struct GoString : IDisposable
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{
10+
IntPtr Pointer { get; }
11+
internal long Length;
12+
13+
internal GoString(string value)
14+
{
15+
(Pointer, Length) = StringToHGlobalUtf8(value);
16+
}
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18+
private static (IntPtr, int) StringToHGlobalUtf8(string? s)
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{
20+
if (s is null)
21+
{
22+
return (IntPtr.Zero, 0);
23+
}
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var nb = Encoding.UTF8.GetMaxByteCount(s.Length);
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var ptr = Marshal.AllocHGlobal(nb);
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var pbMem = (byte*)ptr;
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var nbWritten = Encoding.UTF8.GetBytes(s, new Span<byte>(pbMem, nb));
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return (ptr, nbWritten);
32+
}
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public void Dispose()
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{
36+
Marshal.FreeHGlobal(Pointer);
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}
38+
}
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}

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