Remove TrueNullability prototype (#7675)

Author: tobias-tengler

src/HotChocolate/Core/src/Abstractions/WellKnownContextData.cs

@@ -259,11 +259,6 @@ public static class WellKnownContextData
     /// </summary>
     public const string AllowAnonymous = "HotChocolate.Authorization.AllowAnonymous";
 
-    /// <summary>
-    /// The key to access the true nullability flag on the execution context.
-    /// </summary>
-    public const string EnableTrueNullability = "HotChocolate.Types.EnableTrueNullability";
-
     /// <summary>
     /// The key to access the tag options object.
     /// </summary>

src/HotChocolate/Core/src/Execution/ErrorHelper.cs

@@ -228,14 +228,4 @@ public static IError ReadPersistedOperationMiddleware_PersistedOperationNotFound
             .SetMessage("PersistedQueryNotFound")
             .SetCode(ErrorCodes.Execution.PersistedOperationNotFound)
             .Build();
-
-    public static IError NoNullBubbling_ArgumentValue_NotAllowed(
-        ArgumentNode argument)
-    {
-        var errorBuilder = ErrorBuilder.New();
-        errorBuilder.SetLocations([argument.Value]);
-        errorBuilder.SetMessage(ErrorHelper_NoNullBubbling_ArgumentValue_NotAllowed);
-
-        return errorBuilder.Build();
-    }
 }

src/HotChocolate/Core/src/Execution/Pipeline/OperationResolverMiddleware.cs

@@ -73,8 +73,7 @@ private IOperation CompileOperation(
             operationType,
             context.Schema,
             _operationCompilerOptimizers.OperationOptimizers,
-            _operationCompilerOptimizers.SelectionSetOptimizers,
-            context.IsNullBubblingEnabled());
+            _operationCompilerOptimizers.SelectionSetOptimizers);
 
         var compiler = _operationCompilerPool.Get();
         var operation = compiler.Compile(request);

src/HotChocolate/Core/src/Execution/Pipeline/PipelineTools.cs

@@ -28,20 +28,9 @@ public static string CreateCacheId(this IRequestContext context)
 
         var operationId = CreateOperationId(documentId, operationName);
 
-        var flags = OperationFlags.Nothing;
-
-        if (!context.IsNullBubblingEnabled())
-        {
-            flags |= OperationFlags.DisableNullBubbling;
-        }
-
-        return $"{context.Schema.Name}-{context.ExecutorVersion}-{(int)flags}-{operationId}";
+        return $"{context.Schema.Name}-{context.ExecutorVersion}-{operationId}";
     }
 
-    public static bool IsNullBubblingEnabled(this IRequestContext context)
-        => !context.Schema.ContextData.ContainsKey(WellKnownContextData.EnableTrueNullability)
-            || !context.ContextData.ContainsKey(WellKnownContextData.EnableTrueNullability);
-
     public static IReadOnlyList<IVariableValueCollection> CoerceVariables(
         IRequestContext context,
         VariableCoercionHelper coercionHelper,
@@ -104,11 +93,4 @@ public static IReadOnlyList<IVariableValueCollection> CoerceVariables(
 
         throw new NotSupportedException("Request type not supported.");
     }
-
-    [Flags]
-    private enum OperationFlags
-    {
-        Nothing = 0,
-        DisableNullBubbling
-    }
 }

src/HotChocolate/Core/src/Execution/Processing/OperationCompiler.CompilerContext.cs

@@ -7,7 +7,7 @@ namespace HotChocolate.Execution.Processing;
 
 public sealed partial class OperationCompiler
 {
-    internal sealed class CompilerContext(ISchema schema, DocumentNode document, bool enableNullBubbling)
+    internal sealed class CompilerContext(ISchema schema, DocumentNode document)
     {
         public ISchema Schema { get; } = schema;
 
@@ -27,8 +27,6 @@ internal sealed class CompilerContext(ISchema schema, DocumentNode document, boo
 
         public ImmutableArray<ISelectionSetOptimizer> Optimizers { get; private set; }
 
-        public bool EnableNullBubbling { get; } = enableNullBubbling;
-
         public void Initialize(
             ObjectType type,
             SelectionVariants selectionVariants,

src/HotChocolate/Core/src/Execution/Processing/OperationCompiler.cs

@@ -80,7 +80,7 @@ public IOperation Compile(OperationCompilerRequest request)
             var variants = GetOrCreateSelectionVariants(id);
             SelectionSetInfo[] infos = [new(request.Definition.SelectionSet, 0)];
 
-            var context = new CompilerContext(request.Schema, request.Document, request.EnableNullBubbling);
+            var context = new CompilerContext(request.Schema, request.Document);
             context.Initialize(request.RootType, variants, infos, rootPath, selectionSetOptimizers);
             CompileSelectionSet(context);
 
@@ -419,9 +419,7 @@ private void ResolveField(
 
         if (context.Type.Fields.TryGetField(fieldName, out var field))
         {
-            var fieldType = context.EnableNullBubbling
-                ? field.Type
-                : field.Type.RewriteToNullableType();
+            var fieldType = field.Type;
 
             if (context.Fields.TryGetValue(responseName, out var preparedSelection))
             {
@@ -739,7 +737,7 @@ private CompilerContext RentContext(CompilerContext context)
     {
         if (_deferContext is null)
         {
-            return new CompilerContext(context.Schema, context.Document, context.EnableNullBubbling);
+            return new CompilerContext(context.Schema, context.Document);
         }
 
         var temp = _deferContext;

src/HotChocolate/Core/src/Execution/Processing/OperationCompilerOptimizers.cs

@@ -60,8 +60,7 @@ public OperationCompilerRequest(
         ObjectType rootType,
         ISchema schema,
         ImmutableArray<IOperationOptimizer>? operationOptimizers = null,
-        ImmutableArray<ISelectionSetOptimizer>? selectionSetOptimizers = null,
-        bool enableNullBubbling = true)
+        ImmutableArray<ISelectionSetOptimizer>? selectionSetOptimizers = null)
     {
         if (string.IsNullOrEmpty(id))
         {
@@ -77,7 +76,6 @@ public OperationCompilerRequest(
         Schema = schema ?? throw new ArgumentNullException(nameof(schema));
         OperationOptimizers = operationOptimizers ?? ImmutableArray<IOperationOptimizer>.Empty;
         SelectionSetOptimizers = selectionSetOptimizers ?? ImmutableArray<ISelectionSetOptimizer>.Empty;
-        EnableNullBubbling = enableNullBubbling;
     }
 
     /// <summary>
@@ -109,6 +107,4 @@ public OperationCompilerRequest(
     public ImmutableArray<IOperationOptimizer> OperationOptimizers { get; }
 
     public ImmutableArray<ISelectionSetOptimizer> SelectionSetOptimizers { get; }
-
-    public bool EnableNullBubbling { get; }
 }