diff --git a/src/EFCore.Relational/Infrastructure/EntityFrameworkRelationalServicesBuilder.cs b/src/EFCore.Relational/Infrastructure/EntityFrameworkRelationalServicesBuilder.cs
index 638ce909358..f9bf7bd9356 100644
--- a/src/EFCore.Relational/Infrastructure/EntityFrameworkRelationalServicesBuilder.cs
+++ b/src/EFCore.Relational/Infrastructure/EntityFrameworkRelationalServicesBuilder.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using Microsoft.EntityFrameworkCore.Diagnostics.Internal;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
 using Microsoft.EntityFrameworkCore.Migrations.Internal;
 using Microsoft.EntityFrameworkCore.Query.Internal;
 using Microsoft.EntityFrameworkCore.Storage.Internal;
@@ -185,6 +186,7 @@ public override EntityFrameworkServicesBuilder TryAddCoreServices()
         TryAdd<IRelationalParameterBasedSqlProcessorFactory, RelationalParameterBasedSqlProcessorFactory>();
         TryAdd<IRelationalQueryStringFactory, RelationalQueryStringFactory>();
         TryAdd<IQueryCompilationContextFactory, RelationalQueryCompilationContextFactory>();
+        TryAdd<IAdHocMapper, RelationalAdHocMapper>();
 
         ServiceCollectionMap.GetInfrastructure()
             .AddDependencySingleton<RelationalSqlGenerationHelperDependencies>()
diff --git a/src/EFCore.Relational/Metadata/Internal/RelationalAdHocMapper.cs b/src/EFCore.Relational/Metadata/Internal/RelationalAdHocMapper.cs
new file mode 100644
index 00000000000..1be9cb26363
--- /dev/null
+++ b/src/EFCore.Relational/Metadata/Internal/RelationalAdHocMapper.cs
@@ -0,0 +1,51 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+namespace Microsoft.EntityFrameworkCore.Metadata.Internal;
+
+/// <summary>
+///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
+///     the same compatibility standards as public APIs. It may be changed or removed without notice in
+///     any release. You should only use it directly in your code with extreme caution and knowing that
+///     doing so can result in application failures when updating to a new Entity Framework Core release.
+/// </summary>
+#pragma warning disable EF1001 // AdHocMapper should be made public
+public class RelationalAdHocMapper : AdHocMapper
+{
+    private static readonly bool UseOldBehavior32680 =
+        AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue32680", out var enabled32680) && enabled32680;
+
+    /// <summary>
+    ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
+    ///     the same compatibility standards as public APIs. It may be changed or removed without notice in
+    ///     any release. You should only use it directly in your code with extreme caution and knowing that
+    ///     doing so can result in application failures when updating to a new Entity Framework Core release.
+    /// </summary>
+    public RelationalAdHocMapper(
+        IModel model,
+        ModelCreationDependencies modelCreationDependencies)
+        : base(model, modelCreationDependencies)
+    {
+    }
+
+    /// <summary>
+    ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
+    ///     the same compatibility standards as public APIs. It may be changed or removed without notice in
+    ///     any release. You should only use it directly in your code with extreme caution and knowing that
+    ///     doing so can result in application failures when updating to a new Entity Framework Core release.
+    /// </summary>
+    public override ConventionSet BuildConventionSet()
+    {
+        if (UseOldBehavior32680)
+        {
+            return base.BuildConventionSet();
+        }
+
+        var conventionSet = base.BuildConventionSet();
+        conventionSet.Remove(typeof(RelationalDbFunctionAttributeConvention));
+        conventionSet.Remove(typeof(TableNameFromDbSetConvention));
+        conventionSet.Remove(typeof(TableValuedDbFunctionConvention));
+        return conventionSet;
+    }
+}
+#pragma warning restore EF1001
diff --git a/src/EFCore/Metadata/Internal/AdHocMapper.cs b/src/EFCore/Metadata/Internal/AdHocMapper.cs
index 539f7f9078f..d926b40c4c1 100644
--- a/src/EFCore/Metadata/Internal/AdHocMapper.cs
+++ b/src/EFCore/Metadata/Internal/AdHocMapper.cs
@@ -29,44 +29,47 @@ public AdHocMapper(
         _modelCreationDependencies = modelCreationDependencies;
     }
 
-    private ConventionSet ConventionSet
+    /// <summary>
+    ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
+    ///     the same compatibility standards as public APIs. It may be changed or removed without notice in
+    ///     any release. You should only use it directly in your code with extreme caution and knowing that
+    ///     doing so can result in application failures when updating to a new Entity Framework Core release.
+    /// </summary>
+    public virtual ConventionSet BuildConventionSet()
     {
-        get
-        {
-            if (_conventionSet == null)
-            {
-                _conventionSet = _modelCreationDependencies.ConventionSetBuilder.CreateConventionSet();
-                _conventionSet.Remove(typeof(DbSetFindingConvention));
-                _conventionSet.Remove(typeof(RelationshipDiscoveryConvention));
-                _conventionSet.Remove(typeof(KeyDiscoveryConvention));
-                _conventionSet.Remove(typeof(CascadeDeleteConvention));
-                _conventionSet.Remove(typeof(ChangeTrackingStrategyConvention));
-                _conventionSet.Remove(typeof(DeleteBehaviorAttributeConvention));
-                _conventionSet.Remove(typeof(ForeignKeyAttributeConvention));
-                _conventionSet.Remove(typeof(ForeignKeyIndexConvention));
-                _conventionSet.Remove(typeof(ForeignKeyPropertyDiscoveryConvention));
-                _conventionSet.Remove(typeof(IndexAttributeConvention));
-                _conventionSet.Remove(typeof(KeyAttributeConvention));
-                _conventionSet.Remove(typeof(KeylessAttributeConvention));
-                _conventionSet.Remove(typeof(ManyToManyJoinEntityTypeConvention));
-                _conventionSet.Remove(typeof(RequiredNavigationAttributeConvention));
-                _conventionSet.Remove(typeof(NavigationBackingFieldAttributeConvention));
-                _conventionSet.Remove(typeof(InversePropertyAttributeConvention));
-                _conventionSet.Remove(typeof(NavigationEagerLoadingConvention));
-                _conventionSet.Remove(typeof(NonNullableNavigationConvention));
-                _conventionSet.Remove(typeof(NotMappedTypeAttributeConvention));
-                _conventionSet.Remove(typeof(OwnedAttributeConvention));
-                _conventionSet.Remove(typeof(QueryFilterRewritingConvention));
-                _conventionSet.Remove(typeof(ServicePropertyDiscoveryConvention));
-                _conventionSet.Remove(typeof(ValueGenerationConvention));
-                _conventionSet.Remove(typeof(BaseTypeDiscoveryConvention));
-                _conventionSet.Remove(typeof(DiscriminatorConvention));
-            }
+        var conventionSet = _modelCreationDependencies.ConventionSetBuilder.CreateConventionSet();
+        conventionSet.Remove(typeof(DbSetFindingConvention));
+        conventionSet.Remove(typeof(RelationshipDiscoveryConvention));
+        conventionSet.Remove(typeof(KeyDiscoveryConvention));
+        conventionSet.Remove(typeof(CascadeDeleteConvention));
+        conventionSet.Remove(typeof(ChangeTrackingStrategyConvention));
+        conventionSet.Remove(typeof(DeleteBehaviorAttributeConvention));
+        conventionSet.Remove(typeof(ForeignKeyAttributeConvention));
+        conventionSet.Remove(typeof(ForeignKeyIndexConvention));
+        conventionSet.Remove(typeof(ForeignKeyPropertyDiscoveryConvention));
+        conventionSet.Remove(typeof(IndexAttributeConvention));
+        conventionSet.Remove(typeof(KeyAttributeConvention));
+        conventionSet.Remove(typeof(KeylessAttributeConvention));
+        conventionSet.Remove(typeof(ManyToManyJoinEntityTypeConvention));
+        conventionSet.Remove(typeof(RequiredNavigationAttributeConvention));
+        conventionSet.Remove(typeof(NavigationBackingFieldAttributeConvention));
+        conventionSet.Remove(typeof(InversePropertyAttributeConvention));
+        conventionSet.Remove(typeof(NavigationEagerLoadingConvention));
+        conventionSet.Remove(typeof(NonNullableNavigationConvention));
+        conventionSet.Remove(typeof(NotMappedTypeAttributeConvention));
+        conventionSet.Remove(typeof(OwnedAttributeConvention));
+        conventionSet.Remove(typeof(QueryFilterRewritingConvention));
+        conventionSet.Remove(typeof(ServicePropertyDiscoveryConvention));
+        conventionSet.Remove(typeof(ValueGenerationConvention));
+        conventionSet.Remove(typeof(BaseTypeDiscoveryConvention));
+        conventionSet.Remove(typeof(DiscriminatorConvention));
 
-            return _conventionSet;
-        }
+        return conventionSet;
     }
 
+    private ConventionSet ConventionSet
+        => (_conventionSet ??= BuildConventionSet());
+
     /// <summary>
     ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
     ///     the same compatibility standards as public APIs. It may be changed or removed without notice in
diff --git a/test/EFCore.SqlServer.FunctionalTests/SqlServerEndToEndTest.cs b/test/EFCore.SqlServer.FunctionalTests/SqlServerEndToEndTest.cs
index 41eff5ac533..69eb9fd3681 100644
--- a/test/EFCore.SqlServer.FunctionalTests/SqlServerEndToEndTest.cs
+++ b/test/EFCore.SqlServer.FunctionalTests/SqlServerEndToEndTest.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Runtime.CompilerServices;
 
@@ -216,6 +217,46 @@ private class ByteAdNum
         public string Lucy { get; set; }
     }
 
+    [ConditionalFact] // Issue #29931
+    public void Can_use_SqlQuery_when_context_has_DbFunction()
+    {
+        using var testDatabase = SqlServerTestStore.CreateInitialized(DatabaseName);
+        var options = Fixture.CreateOptions(testDatabase);
+        using (var context = new DbFunctionContext(options))
+        {
+            var result = context.Database
+                .SqlQueryRaw<RawResult>("SELECT Name from sys.databases")
+                .OrderBy(d => d.Name)
+                .ToList();
+        }
+    }
+
+    private class DbFunctionContext(DbContextOptions options) : DbContext(options)
+    {
+        [DbFunction("tvp", "dbo")]
+        public IQueryable<TvpResult> Tvp(int? storeid)
+            => FromExpression(() => Tvp(storeid));
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+            => modelBuilder.Entity<TvpResult>().HasNoKey();
+    }
+
+    private class TvpResult
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public string Name { get; set; }
+
+        [Column(TypeName = "decimal(18,2)")]
+        public decimal Total { get; set; }
+    }
+
+    private class RawResult
+    {
+        public string Name { get; set; }
+    }
+
     [ConditionalFact]
     public void Can_use_string_enum_or_byte_array_as_key()
     {