Гипертаблица parameter_data создается только тогда, когда она еще е создана

DD.Persistence.App/appsettings.json

@@ -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,

DD.Persistence.Database.Postgres.Test/DD.Persistence.Database.Postgres.Test.csproj

@@ -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>

DD.Persistence.Database.Postgres.Test/UnitTest1.cs

@@ -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>();
+    //       });
+}

DD.Persistence.Database.Postgres/Extensions/EFExtensionsPartitioning.cs

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

DD.Persistence.sln

@@ -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