Switched to DataSourceConfigurationPlugin - resolves #51

Author: ankane

src/Pgvector.EntityFrameworkCore/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.3.0 (unreleased)
+
+- Dropped support for Npgsql.EntityFrameworkCore.PostgreSQL < 9
+
 ## 0.2.2 (2025-03-26)
 
 - Added support for scaffolding

src/Pgvector.EntityFrameworkCore/Pgvector.EntityFrameworkCore.csproj

@@ -22,7 +22,7 @@
     <None Include="..\..\icon.png" Pack="true" PackagePath="\" />
     <None Include="build\**\*" Pack="true" PackagePath="build" />
     <ProjectReference Include="..\Pgvector\Pgvector.csproj" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.10" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.1" />
   </ItemGroup>
 
 </Project>

src/Pgvector.EntityFrameworkCore/VectorDataSourceConfigurationPlugin.cs

@@ -0,0 +1,10 @@
+using Npgsql;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Infrastructure;
+
+namespace Pgvector.EntityFrameworkCore;
+
+public class VectorDataSourceConfigurationPlugin : INpgsqlDataSourceConfigurationPlugin
+{
+    public void Configure(NpgsqlDataSourceBuilder npgsqlDataSourceBuilder)
+        => npgsqlDataSourceBuilder.UseVector();
+}

src/Pgvector.EntityFrameworkCore/VectorDbContextOptionsBuilderExtensions.cs

@@ -1,5 +1,4 @@
 using Microsoft.EntityFrameworkCore.Infrastructure;
-using Npgsql;
 using Npgsql.EntityFrameworkCore.PostgreSQL.Infrastructure;
 using Pgvector.EntityFrameworkCore;
 using Pgvector.Npgsql;
@@ -10,11 +9,6 @@ public static class VectorDbContextOptionsBuilderExtensions
 {
     public static NpgsqlDbContextOptionsBuilder UseVector(this NpgsqlDbContextOptionsBuilder optionsBuilder)
     {
-        // not ideal, but how Npgsql.EntityFrameworkCore.PostgreSQL does it
-#pragma warning disable CS0618
-        NpgsqlConnection.GlobalTypeMapper.UseVector();
-#pragma warning restore CS0618
-
         var coreOptionsBuilder = ((IRelationalDbContextOptionsBuilderInfrastructure)optionsBuilder).OptionsBuilder;
 
         var extension = coreOptionsBuilder.Options.FindExtension<VectorDbContextOptionsExtension>()

src/Pgvector.EntityFrameworkCore/VectorDbContextOptionsExtension.cs

@@ -2,6 +2,7 @@
 using Microsoft.EntityFrameworkCore.Query;
 using Microsoft.EntityFrameworkCore.Storage;
 using Microsoft.Extensions.DependencyInjection;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Infrastructure;
 
 namespace Pgvector.EntityFrameworkCore;
 
@@ -13,7 +14,8 @@ public class VectorDbContextOptionsExtension : IDbContextOptionsExtension
 
     public void ApplyServices(IServiceCollection services)
     {
-        new EntityFrameworkRelationalServicesBuilder(services)
+        new EntityFrameworkNpgsqlServicesBuilder(services)
+            .TryAdd<INpgsqlDataSourceConfigurationPlugin, VectorDataSourceConfigurationPlugin>()
             .TryAdd<IMethodCallTranslatorPlugin, VectorDbFunctionsTranslatorPlugin>();
 
         services.AddSingleton<IRelationalTypeMappingSourcePlugin, VectorTypeMappingSourcePlugin>();