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fix/partitioning-small-fix #21

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on.nemtina merged 9 commits from fix/partitioning-small-fix into master 2025-02-03 15:40:26 +05:00
Conversation 0 Commits 9 Files Changed 9 +131 -9
5 changed files with 131 additions and 9 deletions
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2
DD.Persistence.App/appsettings.json
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@ -6,7 +6,7 @@
}
},
"ConnectionStrings": {
"DefaultConnection": "Host=localhost;Database=persistence;Username=postgres;Password=postgres;Persist Security Info=True"
"DefaultConnection": "Host=localhost:5462;Database=persistence;Username=postgres;Password=postgres;Persist Security Info=True"
},
"AllowedHosts": "*",
"NeedUseKeyCloak": false,

26
DD.Persistence.Database.Postgres.Test/DD.Persistence.Database.Postgres.Test.csproj Normal file
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@ -0,0 +1,26 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<IsPackable>false</IsPackable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="coverlet.collector" Version="6.0.2" />
<PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.0" />
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
<PackageReference Include="xunit" Version="2.9.2" />
<PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\DD.Persistence.Database.Postgres\DD.Persistence.Database.Postgres.csproj" />
</ItemGroup>
<ItemGroup>
<Using Include="Xunit" />
</ItemGroup>
</Project>

85
DD.Persistence.Database.Postgres.Test/UnitTest1.cs Normal file
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@ -0,0 +1,85 @@
using DD.Persistence.Database.Entity;
using DD.Persistence.Database.Model;
using DD.Persistence.Database.Postgres.Extensions;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
namespace DD.Persistence.Database.Postgres.Test;
public class UnitTest1
{
private string connectionString;
private IHost host;
public UnitTest1()
{
connectionString = "Host=localhost;Port=5462;Username=postgres;Password=postgres;Database=persistence5";
var builder = Host.CreateApplicationBuilder();
builder.Services.AddDbContext<PersistencePostgresContext>(options =>
options.UseNpgsql(connectionString));
builder.Services.AddScoped<DbContext>(provider => provider.GetRequiredService<PersistencePostgresContext>());
host = builder.Build();
using var scope = host.Services.CreateScope();
var provider = scope.ServiceProvider;
var context = provider.GetRequiredService<PersistencePostgresContext>();
context.Database.EnsureCreatedAndMigrated();
context.Database.AddPartitioning();
context.SaveChanges();
//using var scope2 = builder..CreateScope();
//var scopedServices = scope.ServiceProvider;
//var dbContext = scopedServices.GetRequiredService<PersistencePostgresContext>();
//dbContext.Database.EnsureCreatedAndMigrated();
//dbContext.SaveChanges();
}
[Fact]
public void CreateHyperTable()
{
var entity = new ParameterData() {
DiscriminatorId = Guid.NewGuid(),
ParameterId = 1,
Timestamp = DateTime.UtcNow,
Value = "123"
};
var scope = host.Services.CreateScope();
var context = scope.ServiceProvider.GetRequiredService<PersistencePostgresContext>();
context.ParameterData.Add(entity);
context.SaveChanges();
entity.Timestamp = DateTime.UtcNow.AddDays(1);
context.ParameterData.Add(entity);
context.SaveChanges();
entity.Timestamp = DateTime.UtcNow.AddDays(2);
context.ParameterData.Add(entity);
context.SaveChanges();
entity.Timestamp = DateTime.UtcNow.AddDays(3);
context.ParameterData.Add(entity);
context.SaveChanges();
entity.Timestamp = DateTime.UtcNow.AddDays(4);
context.ParameterData.Add(entity);
context.SaveChanges();
}
//public static IHostBuilder CreateHostBuilder(string[] args) =>
// Host.CreateDefaultBuilder(args)
// .ConfigureWebHostDefaults(webBuilder =>
// {
// webBuilder.UseStartup<Startup>();
// });
}

21
DD.Persistence.Database.Postgres/Extensions/EFExtensionsPartitioning.cs
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@ -32,13 +32,18 @@ public static class EFExtensionsPartitioning
return;
}
const int sectionsNumber = 2;
const int chunkTimeInterval = 5;
var sqlString = $"SELECT create_hypertable('{tableAttribute.Name}'," +
$"'{nameof(ParameterData.Timestamp)}'," +
$"'{nameof(ParameterData.ParameterId)}'," +
$"{sectionsNumber}," +
$"chunk_time_interval => INTERVAL '{chunkTimeInterval} day');";
db.ExecuteSqlRaw(sqlString);
var sqlCreateHypertableString = $"SELECT create_hypertable('{tableAttribute.Name}'," +
$"by_range('{nameof(ParameterData.Timestamp)}', INTERVAL '1 day'), if_not_exists => {true});";
db.ExecuteSqlRaw(sqlCreateHypertableString);
var sqlCreateDimensionString = $"SELECT add_dimension('{tableAttribute.Name}'," +
$"by_hash('{nameof(ParameterData.ParameterId)}', 1));";
db.ExecuteSqlRaw(sqlCreateDimensionString);
//var sqlString = $"SELECT create_hypertable('{tableAttribute.Name}'," +
// $"'{nameof(ParameterData.Timestamp)}'," +
// $"'{nameof(ParameterData.ParameterId)}'," +
// $"{sectionsNumber}," +
// $"chunk_time_interval => INTERVAL '{chunkTimeInterval} day');";
//db.ExecuteSqlRaw(sqlString);
}
}

6
DD.Persistence.sln
View File

@ -35,6 +35,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Элементы решен
.gitea\workflows\integrationTests.yaml = .gitea\workflows\integrationTests.yaml
EndProjectSection
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DD.Persistence.Database.Postgres.Test", "DD.Persistence.Database.Postgres.Test\DD.Persistence.Database.Postgres.Test.csproj", "{47142566-9EAB-4FB5-92EC-9DCB02CAC890}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -85,6 +87,10 @@ Global
{B8C774E6-6B75-41AC-B3CF-10BD3623B2FA}.Debug|Any CPU.Build.0 = Debug|Any CPU
{B8C774E6-6B75-41AC-B3CF-10BD3623B2FA}.Release|Any CPU.ActiveCfg = Release|Any CPU
{B8C774E6-6B75-41AC-B3CF-10BD3623B2FA}.Release|Any CPU.Build.0 = Release|Any CPU
{47142566-9EAB-4FB5-92EC-9DCB02CAC890}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{47142566-9EAB-4FB5-92EC-9DCB02CAC890}.Debug|Any CPU.Build.0 = Debug|Any CPU
{47142566-9EAB-4FB5-92EC-9DCB02CAC890}.Release|Any CPU.ActiveCfg = Release|Any CPU
{47142566-9EAB-4FB5-92EC-9DCB02CAC890}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE