Add commits order index

Author: myieye

Directory.Packages.props

@@ -26,5 +26,6 @@
     <PackageVersion Include="linq2db" Version="6.2.1" />
     <PackageVersion Include="linq2db.EntityFrameworkCore" Version="10.3.0" />
     <PackageVersion Include="linq2db.Extensions" Version="6.2.1" />
+    <PackageVersion Include="EFCore.ComplexIndexes" Version="2.0.2" />
   </ItemGroup>
 </Project>

src/SIL.Harmony.Tests/DbContextTests.VerifyModel.verified.txt

@@ -24,6 +24,7 @@
     Keys: 
       Id PK
     Annotations: 
+      CustomIndex:CompositeIndexes: [{"paths":["HybridDateTime.DateTime","HybridDateTime.Counter","Id"],"unique":false,"name":"IX_Commits_DateTime_Counter_Id"}]
       Relational:FunctionName: 
       Relational:Schema: 
       Relational:SqlQuery: 

src/SIL.Harmony/Db/EntityConfig/CommitEntityConfig.cs

@@ -1,4 +1,5 @@
 using System.Text.Json;
+using EFCore.ComplexIndexes;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
@@ -21,6 +22,13 @@ public void Configure(EntityTypeBuilder<Commit> builder)
                     .HasColumnName("DateTime");
                 hybridEntity.Property(h => h.Counter).HasColumnName("Counter");
             });
+        // Supports Harmony's default ordering (DateTime DESC, Counter DESC, Id DESC).
+        // EF Core 10 cannot express indexes mixing ComplexProperty members + scalars (efcore#11336, targeted for 11).
+        // We use EFCore.ComplexIndexes instead. The package doesn't support column direction,
+        // but an ASC index apparently works equivalently for reverse scans on SQLite, Postgres, and SQL Server.
+        builder.HasComplexCompositeIndex(
+            c => new { c.HybridDateTime.DateTime, c.HybridDateTime.Counter, c.Id },
+            indexName: "IX_Commits_DateTime_Counter_Id");
         builder.Property(c => c.Metadata)
             .HasColumnType("jsonb")
             .HasConversion(

src/SIL.Harmony/SIL.Harmony.csproj

@@ -15,6 +15,7 @@
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>
       <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" />
+      <PackageReference Include="EFCore.ComplexIndexes" />
       <PackageReference Include="Nito.AsyncEx.Coordination" />
     </ItemGroup>