Fixed issue when required data was present in query. (#7536)

src/HotChocolate/Core/src/Execution/Projections/IPropertyNodeProvider.cs

@@ -0,0 +1,12 @@
+using System.Reflection;
+
+namespace HotChocolate.Execution.Projections;
+
+internal interface IPropertyNodeProvider
+{
+    IReadOnlyList<PropertyNode> Nodes { get; }
+
+    PropertyNode AddOrGetNode(PropertyInfo property);
+
+    void TryAddNode(PropertyNode newNode);
+}

src/HotChocolate/Core/src/Execution/Projections/PropertyNode.cs

@@ -90,79 +90,3 @@ public PropertyNode Clone()
         return null;
     }
 }
-
-internal class PropertyNodeContainer(
-    List<PropertyNode>? nodes = null)
-    : IPropertyNodeProvider
-{
-    private static readonly IReadOnlyList<PropertyNode> _emptyNodes = Array.Empty<PropertyNode>();
-    private List<PropertyNode>? _nodes = nodes;
-    private bool _sealed;
-
-    public IReadOnlyList<PropertyNode> Nodes
-        => _nodes ?? _emptyNodes;
-
-    public PropertyNode AddOrGetNode(PropertyInfo property)
-    {
-        if (_sealed)
-        {
-            throw new InvalidOperationException("The property node container is sealed.");
-        }
-
-        _nodes ??= new();
-
-        foreach (var node in Nodes)
-        {
-            if (node.Property.Name.Equals(property.Name))
-            {
-                return node;
-            }
-        }
-
-        var newNode = new PropertyNode(property);
-        _nodes.Add(newNode);
-        return newNode;
-    }
-
-    public void AddNode(PropertyNode newNode)
-    {
-        if (_sealed)
-        {
-            throw new InvalidOperationException("The property node container is sealed.");
-        }
-
-        _nodes ??= new();
-
-        foreach (var node in Nodes)
-        {
-            if (node.Property.Name.Equals(node.Property.Name))
-            {
-                throw new InvalidOperationException("Duplicate property.");
-            }
-        }
-
-        _nodes.Add(newNode);
-    }
-
-    public void Seal()
-    {
-        if (!_sealed)
-        {
-            foreach (var node in Nodes)
-            {
-                node.Seal();
-            }
-
-            _sealed = true;
-        }
-    }
-}
-
-internal interface IPropertyNodeProvider
-{
-    IReadOnlyList<PropertyNode> Nodes { get; }
-
-    PropertyNode AddOrGetNode(PropertyInfo property);
-
-    void AddNode(PropertyNode newNode);
-}

src/HotChocolate/Core/src/Execution/Projections/PropertyNodeContainer.cs

@@ -0,0 +1,79 @@
+using System.Reflection;
+
+namespace HotChocolate.Execution.Projections;
+
+internal class PropertyNodeContainer(
+    List<PropertyNode>? nodes = null)
+    : IPropertyNodeProvider
+{
+    private static readonly IReadOnlyList<PropertyNode> _emptyNodes = Array.Empty<PropertyNode>();
+    private List<PropertyNode>? _nodes = nodes;
+    private bool _sealed;
+
+    public IReadOnlyList<PropertyNode> Nodes
+        => _nodes ?? _emptyNodes;
+
+    public PropertyNode AddOrGetNode(PropertyInfo property)
+    {
+        if (_sealed)
+        {
+            throw new InvalidOperationException("The property node container is sealed.");
+        }
+
+        _nodes ??= new();
+
+        foreach (var node in Nodes)
+        {
+            if (node.Property.Name.Equals(property.Name))
+            {
+                return node;
+            }
+        }
+
+        var newNode = new PropertyNode(property);
+        _nodes.Add(newNode);
+        return newNode;
+    }
+
+    public void TryAddNode(PropertyNode newNode)
+    {
+        if (_sealed)
+        {
+            throw new InvalidOperationException("The property node container is sealed.");
+        }
+
+        _nodes ??= new();
+
+        foreach (var node in _nodes)
+        {
+            if (node.Property.Name.Equals(newNode.Property.Name))
+            {
+                if (!node.Property.MetadataToken.Equals(newNode.Property.MetadataToken))
+                {
+                    throw new InvalidOperationException("Duplicate property name.");
+                }
+
+                // we add the child nodes that are not already present
+                foreach (var newChild in newNode.Nodes)
+                {
+                    node.TryAddNode(newChild);
+                }
+            }
+        }
+
+        _nodes.Add(newNode);
+    }
+
+    public void Seal()
+    {
+        if (!_sealed)
+        {
+            foreach (var node in Nodes)
+            {
+                node.Seal();
+            }
+
+            _sealed = true;
+        }
+    }
+}

src/HotChocolate/Core/src/Execution/Projections/SelectionExpressionBuilder.cs

@@ -142,7 +142,7 @@ private void CollectSelections(
             {
                 foreach (var requirement in requirements)
                 {
-                    parent.AddNode(requirement.Clone());
+                    parent.TryAddNode(requirement.Clone());
                 }
             }
 

src/HotChocolate/Core/test/Execution.Tests/Projections/ProjectableDataLoaderTests.cs

@@ -399,6 +399,39 @@ public async Task Brand_Details_Requires_Brand_Name()
             .MatchMarkdownSnapshot();
     }
 
+    [Fact]
+    public async Task Brand_Details_Requires_Brand_Name_2()
+    {
+        // Arrange
+        var queries = new List<string>();
+        var connectionString = CreateConnectionString();
+        await CatalogContext.SeedAsync(connectionString);
+
+        // Act
+        var result = await new ServiceCollection()
+            .AddScoped(_ => queries)
+            .AddTransient(_ => new CatalogContext(connectionString))
+            .AddGraphQL()
+            .AddQueryType<Query>()
+            .AddTypeExtension<BrandExtensionsWithRequirement>()
+            .AddPagingArguments()
+            .ModifyRequestOptions(o => o.IncludeExceptionDetails = true)
+            .ExecuteRequestAsync(
+                """
+                {
+                    brandById(id: 1) {
+                        name
+                        details
+                    }
+                }
+                """);
+
+        Snapshot.Create()
+            .AddSql(queries)
+            .AddResult(result)
+            .MatchMarkdownSnapshot();
+    }
+
     [Fact]
     public async Task Brand_Products_TypeName()
     {

src/HotChocolate/Core/test/Execution.Tests/Projections/__snapshots__/ProjectableDataLoaderTests.Brand_Details_Requires_Brand_Name_2.md

@@ -0,0 +1,24 @@
+# Brand_Details_Requires_Brand_Name_2
+
+## SQL
+
+```text
+-- @__keys_0={ '1' } (DbType = Object)
+SELECT b."Name", b."Id"
+FROM "Brands" AS b
+WHERE b."Id" = ANY (@__keys_0)
+```
+
+## Result
+
+```json
+{
+  "data": {
+    "brandById": {
+      "name": "Brand0",
+      "details": "Brand Name:Brand0"
+    }
+  }
+}
+```
+