Duplicated fields + Select() + UseStatistics() combo. Closes GH-3274

src/DocumentDbTests/Bugs/Bug_3274_include_pagedlist_with_mapped_tenantid.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Marten.Pagination;
+using Marten.Schema.Identity;
+using Marten.Testing.Harness;
+using Xunit;
+
+namespace DocumentDbTests.Bugs;
+
+public class Bug_3274: BugIntegrationContext
+{
+    [Fact]
+    public async Task multi_tenant_query_with_include_should_work()
+    {
+        StoreOptions(opts =>
+        {
+            opts.Policies.AllDocumentsAreMultiTenanted();
+            opts.Schema
+                .For<User3274>()
+                .Metadata(a => a.TenantId.MapTo(x => x.TenantId));
+            opts.Schema.For<UserState3274>();
+        });
+
+        var newUser = new User3274()
+        {
+            Id = CombGuidIdGeneration.NewGuid(),
+            Name = "Alex"
+        };
+        var newDoc = new UserState3274(newUser.Id, "TestState");
+
+        var session = theStore.LightweightSession("tenant1");
+        session.Store(newUser);
+        session.Store(newDoc);
+        await session.SaveChangesAsync();
+
+        var userDict = new Dictionary<Guid, UserState3274>();
+
+        var document = await session
+            .Query<User3274>()
+            .Include(x => x.Id, userDict)
+            .Where(a => a.Id == newUser.Id)
+            .ToPagedListAsync(1, 10);
+
+
+        Assert.Single(document);
+        Assert.Single(userDict);
+
+        Assert.Equal(document.Single().Id, userDict.Single().Key);
+    }
+
+
+}
+
+public record UserState3274(Guid Id, string State);
+public class User3274
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; }
+    public string TenantId { get; set; }
+}