internal static bool Analyze(LambdaExpression le, ResourceExpression re, bool matchMembers)
{
Debug.Assert(le != null, "le != null");
if (le.Body.NodeType == ExpressionType.Constant)
{
if (ClientType.CheckElementTypeIsEntity(le.Body.Type))
{
throw new NotSupportedException(Strings.ALinq_CannotCreateConstantEntity);
}
re.Projection = new ProjectionQueryOptionExpression(le.Body.Type, le, new List <string>());
return(true);
}
if (le.Body.NodeType == ExpressionType.MemberInit || le.Body.NodeType == ExpressionType.New)
{
AnalyzeResourceExpression(le, re);
return(true);
}
if (matchMembers)
{
Expression withoutConverts = SkipConverts(le.Body);
if (withoutConverts.NodeType == ExpressionType.MemberAccess)
{
AnalyzeResourceExpression(le, re);
return(true);
}
}
return(false);
}
internal override Expression VisitConstant(ConstantExpression c)
{
if (ClientType.CheckElementTypeIsEntity(c.Type))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, c.ToString()));
}
return(base.VisitConstant(c));
}
internal override Expression VisitTypeIs(TypeBinaryExpression b)
{
if (ClientType.CheckElementTypeIsEntity(b.Expression.Type) || IsCollectionProducingExpression(b.Expression))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, b.ToString()));
}
return(base.VisitTypeIs(b));
}
internal override Expression VisitInvocation(InvocationExpression iv)
{
if (ClientType.CheckElementTypeIsEntity(iv.Expression.Type) || IsCollectionProducingExpression(iv.Expression) ||
iv.Arguments.Any(a => ClientType.CheckElementTypeIsEntity(a.Type) || IsCollectionProducingExpression(a)))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, iv.ToString()));
}
return(base.VisitInvocation(iv));
}
internal override NewExpression VisitNew(NewExpression nex)
{
if (ClientType.CheckElementTypeIsEntity(nex.Type) &&
!ResourceBinder.PatternRules.MatchNewDataServiceCollectionOfT(nex))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, nex.ToString()));
}
return(base.VisitNew(nex));
}
internal static void Analyze(MemberInitExpression mie, PathBox pb)
{
Debug.Assert(mie != null, "mie != null");
var epa = new EntityProjectionAnalyzer(pb, mie.Type);
MemberAssignmentAnalysis targetEntityPath = null;
foreach (MemberBinding mb in mie.Bindings)
{
MemberAssignment ma = mb as MemberAssignment;
epa.Visit(ma.Expression);
if (ma != null)
{
var analysis = MemberAssignmentAnalysis.Analyze(pb.ParamExpressionInScope, ma.Expression);
if (analysis.IncompatibleAssignmentsException != null)
{
throw analysis.IncompatibleAssignmentsException;
}
Type targetType = GetMemberType(ma.Member);
Expression[] lastExpressions = analysis.GetExpressionsBeyondTargetEntity();
if (lastExpressions.Length == 0)
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjectionToEntity(targetType, ma.Expression));
}
MemberExpression lastExpression = lastExpressions[lastExpressions.Length - 1] as MemberExpression;
Debug.Assert(
!analysis.MultiplePathsFound,
"!analysis.MultiplePathsFound -- the initilizer has been visited, and cannot be empty, and expressions that can combine paths should have thrown exception during initializer analysis");
Debug.Assert(
lastExpression != null,
"lastExpression != null -- the initilizer has been visited, and cannot be empty, and the only expressions that are allowed can be formed off the parameter, so this is always correlatd");
if (lastExpression != null && (lastExpression.Member.Name != ma.Member.Name))
{
throw new NotSupportedException(Strings.ALinq_PropertyNamesMustMatchInProjections(lastExpression.Member.Name, ma.Member.Name));
}
analysis.CheckCompatibleAssignments(mie.Type, ref targetEntityPath);
bool targetIsEntity = ClientType.CheckElementTypeIsEntity(targetType);
bool sourceIsEntity = ClientType.CheckElementTypeIsEntity(lastExpression.Type);
if (sourceIsEntity && !targetIsEntity)
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(targetType, ma.Expression));
}
}
}
}
internal override Expression VisitUnary(UnaryExpression u)
{
Debug.Assert(u != null, "u != null");
if (!ResourceBinder.PatternRules.MatchConvertToAssignable(u))
{
if (ClientType.CheckElementTypeIsEntity(u.Operand.Type))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, u.ToString()));
}
}
return(base.VisitUnary(u));
}
internal void EnterLambdaScope(LambdaExpression lambda, Expression entry, Expression expectedType)
{
Debug.Assert(lambda != null, "lambda != null");
Debug.Assert(lambda.Parameters.Count == 1, "lambda.Parameters.Count == 1");
ParameterExpression param = lambda.Parameters[0];
Type projectionType = lambda.Body.Type;
bool isEntityType = ClientType.CheckElementTypeIsEntity(projectionType);
this.entityInScope.Push(isEntityType);
this.parameterExpressions.Push(param);
this.parameterExpressionTypes.Push(expectedType);
this.parameterEntries.Push(entry);
this.parameterProjectionTypes.Push(projectionType);
}
private static void Analyze(MemberInitExpression mie, PathBox pb)
{
Debug.Assert(mie != null, "mie != null");
Debug.Assert(pb != null, "pb != null");
bool knownEntityType = ClientType.CheckElementTypeIsEntity(mie.Type);
if (knownEntityType)
{
EntityProjectionAnalyzer.Analyze(mie, pb);
}
else
{
NonEntityProjectionAnalyzer.Analyze(mie, pb);
}
}
internal override Expression VisitLambda(LambdaExpression lambda)
{
Debug.Assert(lambda != null, "lambda != null");
Expression result;
if (!this.topLevelProjectionFound || lambda.Parameters.Count == 1 && ClientType.CheckElementTypeIsEntity(lambda.Parameters[0].Type))
{
this.topLevelProjectionFound = true;
ParameterExpression expectedTypeParameter = Expression.Parameter(typeof(Type), "type" + this.identifierId);
ParameterExpression entryParameter = Expression.Parameter(typeof(object), "entry" + this.identifierId);
this.identifierId++;
this.pathBuilder.EnterLambdaScope(lambda, entryParameter, expectedTypeParameter);
ProjectionPath parameterPath = new ProjectionPath(lambda.Parameters[0], expectedTypeParameter, entryParameter);
ProjectionPathSegment parameterSegment = new ProjectionPathSegment(parameterPath, null, null);
parameterPath.Add(parameterSegment);
this.annotations[lambda.Parameters[0]] = new ExpressionAnnotation()
{
Segment = parameterSegment
};
Expression body = this.Visit(lambda.Body);
if (body.Type.IsValueType)
{
body = Expression.Convert(body, typeof(object));
}
result = Expression.Lambda <Func <object, object, Type, object> >(
body,
this.materializerExpression,
entryParameter,
expectedTypeParameter);
this.pathBuilder.LeaveLambdaScope();
}
else
{
result = base.VisitLambda(lambda);
}
return(result);
}
internal static LambdaExpression TryToRewrite(LambdaExpression le, Type proposedParameterType)
{
LambdaExpression result;
if (!ResourceBinder.PatternRules.MatchSingleArgumentLambda(le, out le) ||
ClientType.CheckElementTypeIsEntity(le.Parameters[0].Type) ||
!(le.Parameters[0].Type.GetProperties().Any(p => p.PropertyType == proposedParameterType)))
{
result = le;
}
else
{
ProjectionRewriter rewriter = new ProjectionRewriter(proposedParameterType);
result = rewriter.Rebind(le);
}
return(result);
}
internal static LambdaExpression TryToRewrite(LambdaExpression le, Type proposedParameterType)
{
LambdaExpression result;
if (!ResourceBinder.PatternRules.MatchSingleArgumentLambda(le, out le) || // can only rewrite single parameter Lambdas.
ClientType.CheckElementTypeIsEntity(le.Parameters[0].Type) || // only attempt to rewrite if lambda parameter is not an entity type
!(le.Parameters[0].Type.GetProperties().Any(p => p.PropertyType == proposedParameterType))) // lambda parameter must have public property that is same as proposed type.
{
result = le;
}
else
{
ProjectionRewriter rewriter = new ProjectionRewriter(proposedParameterType);
result = rewriter.Rebind(le);
}
return(result);
}
internal override Expression VisitConditional(ConditionalExpression c)
{
var nullCheck = ResourceBinder.PatternRules.MatchNullCheck(this.box.ParamExpressionInScope, c);
if (nullCheck.Match)
{
this.Visit(nullCheck.AssignExpression);
return(c);
}
if (ClientType.CheckElementTypeIsEntity(c.Test.Type) || ClientType.CheckElementTypeIsEntity(c.IfTrue.Type) || ClientType.CheckElementTypeIsEntity(c.IfFalse.Type) ||
IsCollectionProducingExpression(c.Test) || IsCollectionProducingExpression(c.IfTrue) || IsCollectionProducingExpression(c.IfFalse))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, c.ToString()));
}
return(base.VisitConditional(c));
}
internal override Expression VisitConditional(ConditionalExpression conditional)
{
Debug.Assert(conditional != null, "conditional != null");
Expression original = this.GetExpressionBeforeNormalization(conditional);
if (original != conditional)
{
return(this.Visit(original));
}
var nullCheck = ResourceBinder.PatternRules.MatchNullCheck(this.pathBuilder.LambdaParameterInScope, conditional);
if (!nullCheck.Match || !ClientType.CheckElementTypeIsEntity(nullCheck.AssignExpression.Type))
{
return(base.VisitConditional(conditional));
}
return(this.RebindConditionalNullCheck(conditional, nullCheck));
}
internal override Expression VisitUnary(UnaryExpression u)
{
UnaryExpression visited = (UnaryExpression)base.VisitUnary(u);
Expression result = visited;
this.RecordRewrite(u, result);
if ((visited.NodeType == ExpressionType.Convert || visited.NodeType == ExpressionType.TypeAs) && visited.Type.IsAssignableFrom(visited.Operand.Type))
{
if (!ClientConvert.IsKnownNullableType(visited.Operand.Type) && !ClientConvert.IsKnownNullableType(visited.Type) || visited.Operand.Type == visited.Type)
{
if (!(ClientType.CheckElementTypeIsEntity(visited.Operand.Type) && ProjectionAnalyzer.IsCollectionProducingExpression(visited.Operand)))
{
result = visited.Operand;
}
}
}
return(result);
}
internal override NewExpression VisitNew(NewExpression nex)
{
if (ResourceBinder.PatternRules.MatchNewDataServiceCollectionOfT(nex))
{
if (ClientType.CheckElementTypeIsEntity(nex.Type))
{
foreach (Expression e in nex.Arguments)
{
if (e.NodeType != ExpressionType.Constant)
{
base.Visit(e);
}
}
return(nex);
}
}
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjectionToEntity(this.type, nex.ToString()));
}
internal override Expression VisitMemberAccess(MemberExpression m)
{
Debug.Assert(m != null, "m != null");
if (!ClientType.CheckElementTypeIsEntity(m.Expression.Type) || IsCollectionProducingExpression(m.Expression))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjectionToEntity(this.type, m.ToString()));
}
PropertyInfo pi = null;
if (ResourceBinder.PatternRules.MatchNonPrivateReadableProperty(m, out pi))
{
Expression e = base.VisitMemberAccess(m);
box.AppendToPath(pi);
return(e);
}
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjectionToEntity(this.type, m.ToString()));
}
internal override Expression VisitMethodCall(MethodCallExpression m)
{
if ((m.Object != null && IsDisallowedExpressionForMethodCall(m.Object)) ||
m.Arguments.Any(a => IsDisallowedExpressionForMethodCall(a)))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, m.ToString()));
}
if (ProjectionAnalyzer.IsMethodCallAllowedEntitySequence(m))
{
CheckChainedSequence(m, this.type);
return(base.VisitMethodCall(m));
}
if ((m.Object != null ? ClientType.CheckElementTypeIsEntity(m.Object.Type) : false) ||
m.Arguments.Any(a => ClientType.CheckElementTypeIsEntity(a.Type)))
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(this.type, m.ToString()));
}
return(base.VisitMethodCall(m));
}
internal void AppendToPath(PropertyInfo pi)
{
Debug.Assert(pi != null, "pi != null");
StringBuilder sb;
Type t = TypeSystem.GetElementType(pi.PropertyType);
if (ClientType.CheckElementTypeIsEntity(t))
{
// an entity, so need to append to expand path also
sb = expandPaths.Last();
Debug.Assert(sb != null); // there should always be an expand path because must call StartNewPath first.
if (sb.Length > 0)
{
sb.Append(UriHelper.FORWARDSLASH);
}
sb.Append(pi.Name);
}
sb = projectionPaths.Last();
Debug.Assert(sb != null, "sb != null -- we are always building paths in the context of a parameter");
RemoveEntireEntityMarkerIfPresent(sb);
if (sb.Length > 0)
{
sb.Append(UriHelper.FORWARDSLASH);
}
sb.Append(pi.Name);
if (ClientType.CheckElementTypeIsEntity(t))
{
AddEntireEntityMarker(sb);
}
}
internal void AppendToPath(PropertyInfo pi)
{
Debug.Assert(pi != null, "pi != null");
StringBuilder sb;
Type t = TypeSystem.GetElementType(pi.PropertyType);
if (ClientType.CheckElementTypeIsEntity(t))
{
sb = expandPaths.Last();
Debug.Assert(sb != null);
if (sb.Length > 0)
{
sb.Append(UriHelper.FORWARDSLASH);
}
sb.Append(pi.Name);
}
sb = projectionPaths.Last();
Debug.Assert(sb != null, "sb != null -- we are always building paths in the context of a parameter");
RemoveEntireEntityMarkerIfPresent(sb);
if (sb.Length > 0)
{
sb.Append(UriHelper.FORWARDSLASH);
}
sb.Append(pi.Name);
if (ClientType.CheckElementTypeIsEntity(t))
{
AddEntireEntityMarker(sb);
}
}
private Expression RebindEntityMemberInit(MemberInitExpression init)
{
Debug.Assert(init != null, "init != null");
Debug.Assert(init.Bindings.Count > 0, "init.Bindings.Count > 0 -- otherwise this is just empty construction");
Expression[] expressions;
if (!this.pathBuilder.HasRewrites)
{
MemberAssignmentAnalysis propertyAnalysis = MemberAssignmentAnalysis.Analyze(
this.pathBuilder.LambdaParameterInScope,
((MemberAssignment)init.Bindings[0]).Expression);
expressions = propertyAnalysis.GetExpressionsToTargetEntity();
Debug.Assert(expressions.Length != 0, "expressions.Length != 0 -- otherwise there is no correlation to parameter in entity member init");
}
else
{
expressions = MemberAssignmentAnalysis.EmptyExpressionArray;
}
Expression entryParameterAtMemberInit = this.pathBuilder.ParameterEntryInScope;
List <string> propertyNames = new List <string>();
List <Func <object, object, Type, object> > propertyFunctions = new List <Func <object, object, Type, object> >();
Type projectedType = init.NewExpression.Type;
Expression projectedTypeExpression = Expression.Constant(projectedType, typeof(Type));
Expression entryToInitValue; Expression expectedParamValue; ParameterExpression entryParameterForMembers; ParameterExpression expectedParameterForMembers; string[] expressionNames = expressions.Skip(1).Select(e => ((MemberExpression)e).Member.Name).ToArray();
if (expressions.Length <= 1)
{
entryToInitValue = this.pathBuilder.ParameterEntryInScope;
expectedParamValue = this.pathBuilder.ExpectedParamTypeInScope;
entryParameterForMembers = (ParameterExpression)this.pathBuilder.ParameterEntryInScope;
expectedParameterForMembers = (ParameterExpression)this.pathBuilder.ExpectedParamTypeInScope;
}
else
{
entryToInitValue = this.GetDeepestEntry(expressions);
expectedParamValue = projectedTypeExpression;
entryParameterForMembers = Expression.Parameter(typeof(object), "subentry" + this.identifierId++);
expectedParameterForMembers = (ParameterExpression)this.pathBuilder.ExpectedParamTypeInScope;
ProjectionPath entryPath = new ProjectionPath(
(ParameterExpression)this.pathBuilder.LambdaParameterInScope,
this.pathBuilder.ExpectedParamTypeInScope,
this.pathBuilder.ParameterEntryInScope,
expressions.Skip(1));
this.annotations.Add(entryToInitValue, new ExpressionAnnotation()
{
Segment = entryPath[entryPath.Count - 1]
});
this.annotations.Add(entryParameterForMembers, new ExpressionAnnotation()
{
Segment = entryPath[entryPath.Count - 1]
});
this.pathBuilder.RegisterRewrite(this.pathBuilder.LambdaParameterInScope, expressionNames, entryParameterForMembers);
}
for (int i = 0; i < init.Bindings.Count; i++)
{
MemberAssignment assignment = (MemberAssignment)init.Bindings[i];
propertyNames.Add(assignment.Member.Name);
LambdaExpression propertyLambda;
if ((ClientType.CheckElementTypeIsEntity(assignment.Member.ReflectedType) &&
assignment.Expression.NodeType == ExpressionType.MemberInit))
{
Expression nestedEntry = CallMaterializer(
"ProjectionGetEntry",
entryParameterAtMemberInit,
Expression.Constant(assignment.Member.Name, typeof(string)));
ParameterExpression nestedEntryParameter = Expression.Parameter(
typeof(object),
"subentry" + this.identifierId++);
ProjectionPath entryPath;
ExpressionAnnotation entryAnnotation;
if (this.annotations.TryGetValue(this.pathBuilder.ParameterEntryInScope, out entryAnnotation))
{
entryPath = new ProjectionPath(
(ParameterExpression)this.pathBuilder.LambdaParameterInScope,
this.pathBuilder.ExpectedParamTypeInScope,
entryParameterAtMemberInit);
entryPath.AddRange(entryAnnotation.Segment.StartPath);
}
else
{
entryPath = new ProjectionPath(
(ParameterExpression)this.pathBuilder.LambdaParameterInScope,
this.pathBuilder.ExpectedParamTypeInScope,
entryParameterAtMemberInit,
expressions.Skip(1));
}
ProjectionPathSegment nestedSegment = new ProjectionPathSegment(
entryPath,
assignment.Member.Name,
assignment.Member.ReflectedType);
entryPath.Add(nestedSegment);
string[] names = (entryPath.Where(m => m.Member != null).Select(m => m.Member)).ToArray();
this.annotations.Add(nestedEntryParameter, new ExpressionAnnotation()
{
Segment = nestedSegment
});
this.pathBuilder.RegisterRewrite(this.pathBuilder.LambdaParameterInScope, names, nestedEntryParameter);
Expression e = this.Visit(assignment.Expression);
this.pathBuilder.RevokeRewrite(this.pathBuilder.LambdaParameterInScope, names);
this.annotations.Remove(nestedEntryParameter);
e = Expression.Convert(e, typeof(object));
ParameterExpression[] parameters =
new ParameterExpression[]
{
this.materializerExpression,
nestedEntryParameter,
expectedParameterForMembers,
};
propertyLambda = Expression.Lambda(e, parameters);
Expression[] nestedParams =
new Expression[]
{
this.materializerExpression,
nestedEntry,
expectedParameterForMembers,
};
var invokeParameters =
new ParameterExpression[]
{
this.materializerExpression,
(ParameterExpression)entryParameterAtMemberInit,
expectedParameterForMembers,
};
propertyLambda = Expression.Lambda(Expression.Invoke(propertyLambda, nestedParams), invokeParameters);
}
else
{
Expression e = this.Visit(assignment.Expression);
e = Expression.Convert(e, typeof(object));
ParameterExpression[] parameters =
new ParameterExpression[]
{
this.materializerExpression,
entryParameterForMembers,
expectedParameterForMembers,
};
propertyLambda = Expression.Lambda(e, parameters);
}
#if TRACE_CLIENT_PROJECTIONS
Trace.WriteLine("Compiling lambda for " + assignment.Member.Name + ": " + propertyLambda);
#endif
propertyFunctions.Add((Func <object, object, Type, object>)propertyLambda.Compile());
}
for (int i = 1; i < expressions.Length; i++)
{
this.pathBuilder.RevokeRewrite(this.pathBuilder.LambdaParameterInScope, expressionNames);
this.annotations.Remove(entryToInitValue);
this.annotations.Remove(entryParameterForMembers);
}
Expression reboundExpression = CallMaterializer(
"ProjectionInitializeEntity",
this.materializerExpression,
entryToInitValue,
expectedParamValue,
projectedTypeExpression,
Expression.Constant(propertyNames.ToArray()),
Expression.Constant(propertyFunctions.ToArray()));
return(Expression.Convert(reboundExpression, projectedType));
}
internal void EnterMemberInit(MemberInitExpression init)
{
bool isEntityType = ClientType.CheckElementTypeIsEntity(init.Type);
this.entityInScope.Push(isEntityType);
}
/// <summary>Analyzes the specified member-init expression.</summary>
/// <param name="mie">Expression to analyze.</param>
/// <param name="pb">Path-tracking object to store analysis in.</param>
internal static void Analyze(MemberInitExpression mie, PathBox pb)
{
Debug.Assert(mie != null, "mie != null");
var epa = new EntityProjectionAnalyzer(pb, mie.Type);
MemberAssignmentAnalysis targetEntityPath = null;
foreach (MemberBinding mb in mie.Bindings)
{
MemberAssignment ma = mb as MemberAssignment;
epa.Visit(ma.Expression);
if (ma != null)
{
var analysis = MemberAssignmentAnalysis.Analyze(pb.ParamExpressionInScope, ma.Expression);
if (analysis.IncompatibleAssignmentsException != null)
{
throw analysis.IncompatibleAssignmentsException;
}
// Note that an "empty" assignment on the binding is not checked/handled,
// because the funcletizer would have turned that into a constant
// in the tree, the visit earlier in this method would have thrown
// an exception at finding a constant in an entity projection.
//
// We do account however for failing to find a reference off the
// parameter entry to detect errors like this: new ET() { Ref = e }
// Here it looks like the new ET should be the parent of 'e', but
// there is nothing in scope that represents that.
//
// This also explains while error messages might be a bit misleading
// in this case (because they reference a constant when the user
// hasn't included any).
Type targetType = GetMemberType(ma.Member);
Expression[] lastExpressions = analysis.GetExpressionsBeyondTargetEntity();
if (lastExpressions.Length == 0)
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjectionToEntity(targetType, ma.Expression));
}
MemberExpression lastExpression = lastExpressions[lastExpressions.Length - 1] as MemberExpression;
Debug.Assert(
!analysis.MultiplePathsFound,
"!analysis.MultiplePathsFound -- the initilizer has been visited, and cannot be empty, and expressions that can combine paths should have thrown exception during initializer analysis");
Debug.Assert(
lastExpression != null,
"lastExpression != null -- the initilizer has been visited, and cannot be empty, and the only expressions that are allowed can be formed off the parameter, so this is always correlatd");
if (lastExpression != null && (lastExpression.Member.Name != ma.Member.Name))
{
throw new NotSupportedException(Strings.ALinq_PropertyNamesMustMatchInProjections(lastExpression.Member.Name, ma.Member.Name));
}
analysis.CheckCompatibleAssignments(mie.Type, ref targetEntityPath);
// Unless we're initializing an entity, we should not traverse into the parameter in scope.
bool targetIsEntity = ClientType.CheckElementTypeIsEntity(targetType);
bool sourceIsEntity = ClientType.CheckElementTypeIsEntity(lastExpression.Type);
if (sourceIsEntity && !targetIsEntity)
{
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjection(targetType, ma.Expression));
}
}
}
}