private static IList <FunctionParameter> GetStoreParameters
(this DbModel model, MethodInfo methodInfo, FunctionAttribute functionAttribute) => methodInfo
.GetParameters()
.Select((parameterInfo, index) =>
{
string parameterName = parameterInfo.GetCustomAttribute <ParameterAttribute>()?.Name;
if (string.IsNullOrWhiteSpace(parameterName))
{
parameterName = parameterInfo.Name;
}
switch (functionAttribute.Type)
{
case FunctionType.NiladicFunction:
throw new NotSupportedException(
$"Parameter of method {methodInfo.Name} is not supported.");
case FunctionType.AggregateFunction:
{
if (index == 0)
{
return(FunctionParameter.Create(
parameterName,
model.GetStoreParameterPrimitiveType(
methodInfo, parameterInfo, functionAttribute)
.GetCollectionType(), // Must be collection type.
ParameterMode.In));
}
// Aggregate function with more than more parameter is not supported by entity framework.
throw new NotSupportedException(
$"Method {methodInfo.Name} has more than one parameters and is not supported by Entity Framework.");
}
}
return(FunctionParameter.Create(
parameterName,
model.GetStoreParameterPrimitiveType(methodInfo, parameterInfo, functionAttribute),
parameterInfo.ParameterType == typeof(ObjectParameter)
? ParameterMode.InOut
: ParameterMode.In));
})
.ToArray();
private static string GetStoreCommandText(this MethodInfo methodInfo, FunctionAttribute functionAttribute, string functionName)
{
if (functionAttribute.Type == FunctionType.NonComposableScalarValuedFunction)
{
string schema = functionAttribute.Schema;
schema = string.IsNullOrWhiteSpace(schema) ? string.Empty : $"[{schema}].";
IEnumerable<string> parameterNames = methodInfo
.GetParameters()
.Select(parameterInfo =>
{
ParameterAttribute parameterAttribute = parameterInfo.GetCustomAttribute<ParameterAttribute>();
string parameterName = parameterAttribute?.Name;
return string.IsNullOrWhiteSpace(parameterName) ? parameterInfo.Name : parameterName;
})
.Select(parameterName => $"@{parameterName}");
return $"SELECT {schema}[{functionName}]({string.Join(", ", parameterNames)})";
}
return null;
}
private static string GetStoreCommandText(this MethodInfo methodInfo, FunctionAttribute functionAttribute, string functionName)
{
if (functionAttribute.Type == FunctionType.NonComposableScalarValuedFunction)
{
string schema = functionAttribute.Schema;
schema = string.IsNullOrWhiteSpace(schema) ? string.Empty : $"[{schema}].";
IEnumerable <string> parameterNames = methodInfo
.GetParameters()
.Select(parameterInfo =>
{
ParameterAttribute parameterAttribute = parameterInfo.GetCustomAttribute <ParameterAttribute>();
string parameterName = parameterAttribute?.Name;
return(string.IsNullOrWhiteSpace(parameterName) ? parameterInfo.Name : parameterName);
})
.Select(parameterName => $"@{parameterName}");
return($"SELECT {schema}[{functionName}]({string.Join(", ", parameterNames)})");
}
return(null);
}
private static IList <EntitySet> GetModelEntitySets(this DbModel model, MethodInfo methodInfo, FunctionAttribute functionAttribute)
{
ParameterInfo returnParameterInfo = methodInfo.ReturnParameter;
if (returnParameterInfo == null || returnParameterInfo.ParameterType == typeof(void))
{
throw new NotSupportedException($"The return parameter type of {methodInfo.Name} is not supported.");
}
if (functionAttribute.Type == FunctionType.StoredProcedure && returnParameterInfo.ParameterType != typeof(int))
{
// returnParameterInfo.ParameterType is ObjectResult<T>.
Type[] returnParameterClrTypes = methodInfo.GetStoredProcedureReturnTypes().ToArray();
if (returnParameterClrTypes.Length > 1)
{
// Stored procedure has more than one result.
// EdmFunctionPayload.EntitySets must be provided. Otherwise, an ArgumentException will be thrown:
// The EntitySets parameter must not be null for functions that return multiple result sets.
return(returnParameterClrTypes.Select(clrType =>
{
EntitySet modelEntitySet = model
.ConceptualModel
.Container
.EntitySets
.FirstOrDefault(entitySet => entitySet.ElementType == model.GetModelEntityType(clrType, methodInfo)); // TODO: bug.
if (modelEntitySet == null)
{
throw new NotSupportedException(
$"{clrType.FullName} for method {methodInfo.Name} is not supported in conceptual model as entity set.");
}
return modelEntitySet;
}).ToArray());
}
}
else if (functionAttribute.Type == FunctionType.TableValuedFunction)
{
// returnParameterInfo.ParameterType is IQueryable<T>.
Type returnParameterClrType = returnParameterInfo.ParameterType.GetGenericArguments().Single();
EntityType returnParameterEntityType = model.GetModelEntityType(returnParameterClrType, methodInfo);
if (returnParameterEntityType != null)
{
EntitySet modelEntitySet = model
.ConceptualModel
.Container
.EntitySets
.FirstOrDefault(entitySet => entitySet.ElementType == returnParameterEntityType);
if (modelEntitySet == null)
{
throw new NotSupportedException(
$"{returnParameterInfo.ParameterType.FullName} for method {methodInfo.Name} is not supported in conceptual model as entity set.");
}
return(new EntitySet[] { modelEntitySet });
}
}
// Do not return new EntitySet[0], which causes a ArgumentException:
// The number of entity sets should match the number of return parameters.
return(null);
}
private static IList <FunctionParameter> GetModelReturnParameters(
this DbModel model, MethodInfo methodInfo, FunctionAttribute functionAttribute)
{
ParameterInfo returnParameterInfo = methodInfo.ReturnParameter;
if (returnParameterInfo == null || returnParameterInfo.ParameterType == typeof(void))
{
throw new NotSupportedException($"The return parameter type of {methodInfo.Name} is not supported.");
}
ParameterAttribute returnParameterAttribute = returnParameterInfo.GetCustomAttribute <ParameterAttribute>();
ResultTypeAttribute[] returnTypeAttributes = methodInfo.GetCustomAttributes <ResultTypeAttribute>().ToArray();
IEnumerable <EdmType> modelReturnParameterEdmTypes;
if (functionAttribute.Type == FunctionType.StoredProcedure)
{
if (returnParameterAttribute != null)
{
throw new NotSupportedException(
$"{nameof(ParameterAttribute)} for method {methodInfo.Name} is not supported.");
}
modelReturnParameterEdmTypes = methodInfo
.GetStoredProcedureReturnTypes()
.Select(clrType => model.GetModelStructualType(clrType, methodInfo));
}
else
{
if (returnTypeAttributes.Any())
{
throw new NotSupportedException(
$"{nameof(ResultTypeAttribute)} for method {methodInfo.Name} is not supported.");
}
if (functionAttribute.Type == FunctionType.TableValuedFunction)
{
// returnParameterInfo.ParameterType is IQueryable<T>.
Type returnParameterClrType = returnParameterInfo.ParameterType.GetGenericArguments().Single();
StructuralType modelReturnParameterStructuralType = model.GetModelStructualType(returnParameterClrType, methodInfo);
modelReturnParameterEdmTypes = Enumerable.Repeat(modelReturnParameterStructuralType, 1);
}
else
{
Type returnParameterClrType = returnParameterInfo.ParameterType;
Type returnParameterAttributeClrType = returnParameterAttribute?.ClrType;
if (returnParameterAttributeClrType != null &&
returnParameterAttributeClrType != returnParameterClrType)
{
throw new NotSupportedException(
$"Return parameter of method {methodInfo.Name} is of {returnParameterClrType.FullName}, but its {nameof(ParameterAttribute)}.{nameof(ParameterAttribute.ClrType)} has a different type {returnParameterAttributeClrType.FullName}");
}
PrimitiveType returnParameterPrimitiveType = model.GetModelPrimitiveType(returnParameterClrType, methodInfo);
modelReturnParameterEdmTypes = Enumerable.Repeat(returnParameterPrimitiveType, 1);
}
}
return(modelReturnParameterEdmTypes
.Select((edmType, index) => FunctionParameter.Create(
$"ReturnType{index}",
functionAttribute.Type == FunctionType.ModelDefinedFunction ? edmType : edmType.GetCollectionType(),
ParameterMode.ReturnValue))
.ToArray());
}
private static IList <FunctionParameter> GetStoreReturnParameters(
this DbModel model, MethodInfo methodInfo, FunctionAttribute functionAttribute)
{
ParameterInfo returnParameterInfo = methodInfo.ReturnParameter;
if (returnParameterInfo == null || returnParameterInfo.ParameterType == typeof(void))
{
throw new NotSupportedException($"The return type of {methodInfo.Name} is not supported.");
}
ParameterAttribute returnParameterAttribute = returnParameterInfo.GetCustomAttribute <ParameterAttribute>();
ResultTypeAttribute[] returnTypeAttributes = methodInfo.GetCustomAttributes <ResultTypeAttribute>().ToArray();
if (functionAttribute.Type == FunctionType.StoredProcedure)
{
if (returnParameterAttribute != null)
{
throw new NotSupportedException(
$"{nameof(ParameterAttribute)} for return value of method {methodInfo.Name} is not supported.");
}
return(new FunctionParameter[0]);
}
if (returnTypeAttributes.Any())
{
throw new NotSupportedException($"{nameof(ResultTypeAttribute)} for method {methodInfo.Name} is not supported.");
}
if (functionAttribute.Type == FunctionType.TableValuedFunction)
{
if (returnParameterAttribute != null)
{
throw new NotSupportedException(
$"{nameof(ParameterAttribute)} for return value of method {methodInfo.Name} is not supported.");
}
/*
* <CollectionType>
* <RowType>
* <Property Name="PersonID" Type="int" Nullable="false" />
* <Property Name="FirstName" Type="nvarchar" MaxLength="50" />
* <Property Name="LastName" Type="nvarchar" MaxLength="50" />
* <Property Name="JobTitle" Type="nvarchar" MaxLength="50" />
* <Property Name="BusinessEntityType" Type="nvarchar" MaxLength="50" />
* </RowType>
* </CollectionType>
*/
// returnParameterInfo.ParameterType is IQueryable<T>.
Type storeReturnParameterClrType = returnParameterInfo.ParameterType.GetGenericArguments().Single();
StructuralType modelReturnParameterStructuralType = model.GetModelStructualType(
storeReturnParameterClrType, methodInfo);
ComplexType modelReturnParameterComplexType = modelReturnParameterStructuralType as ComplexType;
RowType storeReturnParameterRowType;
if (modelReturnParameterComplexType != null)
{
storeReturnParameterRowType = RowType.Create(
modelReturnParameterComplexType.Properties.Select(property =>
EdmProperty.Create(property.Name, model.ProviderManifest.GetStoreType(property.TypeUsage))),
null);
}
else
{
EntityType modelReturnParameterEntityType = modelReturnParameterStructuralType as EntityType;
if (modelReturnParameterEntityType != null)
{
storeReturnParameterRowType = RowType.Create(
modelReturnParameterEntityType.Properties.Select(property =>
{
var typeUsage = TypeUsage.Create(model.ProviderManifest.GetStoreType(property.TypeUsage).EdmType, property.TypeUsage.Facets);
var result = EdmProperty.Create(property.Name, typeUsage);
var propertyNames = new[] { nameof(EdmProperty.Name), nameof(EdmProperty.TypeUsage), nameof(EdmProperty.MetadataProperties) };
result.SetMetadataProperties(property.MetadataProperties.Where(m => !propertyNames.Contains(m.Name)));
return(result);
}),
null);
//storeReturnParameterRowType = RowType.Create(
// modelReturnParameterEntityType.Properties.Select(property => property.Clone()),
// null);
}
else
{
throw new NotSupportedException($"Structural type {modelReturnParameterStructuralType.FullName} of method {methodInfo.Name} cannot be converted to {nameof(RowType)}.");
}
}
return(new FunctionParameter[]
{
FunctionParameter.Create(
"ReturnType",
storeReturnParameterRowType.GetCollectionType(), // Collection of RowType.
ParameterMode.ReturnValue)
});
}
if (functionAttribute.Type == FunctionType.NonComposableScalarValuedFunction)
{
// Non-composable scalar-valued function.
return(new FunctionParameter[0]);
}
// Composable scalar-valued/Aggregate/Built in/Niladic function.
// <Function Name="ufnGetProductListPrice" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="true" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"
// ReturnType ="money">
PrimitiveType storeReturnParameterPrimitiveType = model.GetStoreParameterPrimitiveType(methodInfo, returnParameterInfo, functionAttribute);
return(new FunctionParameter[]
{
FunctionParameter.Create("ReturnType", storeReturnParameterPrimitiveType, ParameterMode.ReturnValue)
});
}
public static void AddFunction(
this DbModel model,
MethodInfo methodInfo,
FunctionAttribute functionAttribute)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (methodInfo == null)
{
throw new ArgumentNullException(nameof(methodInfo));
}
if (functionAttribute == null)
{
throw new ArgumentNullException(nameof(functionAttribute));
}
if (functionAttribute.Type == FunctionType.ModelDefinedFunction)
{
AddModelDefinedFunction(model, methodInfo, (ModelDefinedFunctionAttribute)functionAttribute);
return;
}
/*
* <!-- SSDL content -->
* <edmx:StorageModels>
* <Schema Namespace="CodeFirstDatabaseSchema" Provider="System.Data.SqlClient" ProviderManifestToken="2012" Alias="Self" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns:customannotation="http://schemas.microsoft.com/ado/2013/11/edm/customannotation" xmlns="http://schemas.microsoft.com/ado/2009/11/edm/ssdl">
* <Function Name="ufnGetContactInformation" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="true" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
* <Parameter Name="PersonID" Type="int" Mode="In" />
* <ReturnType>
* <CollectionType>
* <RowType>
* <Property Name="PersonID" Type="int" Nullable="false" />
* <Property Name="FirstName" Type="nvarchar" MaxLength="50" />
* <Property Name="LastName" Type="nvarchar" MaxLength="50" />
* <Property Name="JobTitle" Type="nvarchar" MaxLength="50" />
* <Property Name="BusinessEntityType" Type="nvarchar" MaxLength="50" />
* </RowType>
* </CollectionType>
* </ReturnType>
* </Function>
* <Function Name="ufnGetProductListPrice" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="true" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo" ReturnType="money">
* <Parameter Name="ProductID" Type="int" Mode="In" />
* <Parameter Name="OrderDate" Type="datetime" Mode="In" />
* </Function>
* <Function Name="ufnGetProductStandardCost" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
* <Parameter Name="ProductID" Type="int" Mode="In" />
* <Parameter Name="OrderDate" Type="datetime" Mode="In" />
* <CommandText>
* SELECT [dbo].[ufnGetProductListPrice](@ProductID, @OrderDate)
* </CommandText>
* </Function>
* <Function Name="uspGetCategoryAndSubCategory" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
* <Parameter Name="CategoryID" Type="int" Mode="In" />
* </Function>
* <Function Name="uspGetManagerEmployees" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
* <Parameter Name="BusinessEntityID" Type="int" Mode="In" />
* </Function>
* <EntityContainer Name="CodeFirstDatabase">
* </EntityContainer>
* <Function Name="ufnGetPersons" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="true" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
* <Parameter Name="Name" Type="nvarchar" Mode="In" />
* <ReturnType>
* <CollectionType>
* <RowType>
* <Property Name="BusinessEntityID" Type="int" Nullable="false" />
* <Property Name="Title" Type="nvarchar" MaxLength="8" />
* <Property Name="FirstName" Type="nvarchar" MaxLength="50" Nullable="false" />
* <Property Name="LastName" Type="nvarchar" MaxLength="50" Nullable="false" />
* </RowType>
* </CollectionType>
* </ReturnType>
* </Function>
* </Schema>
* </edmx:StorageModels>
*/
// Build above <StorageModels> imperatively.
string functionName = functionAttribute.FunctionName;
if (string.IsNullOrWhiteSpace(functionName))
{
functionName = methodInfo.Name;
}
//Fix (rodro75): functions could be added several times here in case of methods overloading,
//which is necessary in some scenarios, but we should really add the metadata just once or EF
//would complain when compiling the model.
//Not shure about "Ordinal" equality though.. shouldn't it be OrdinalIgnoreCase instead?
//As far as I know function names are not case-sensitive in SQL Server.
if (model.StoreModel.Functions.Any(x => x.Name.EqualsOrdinal(functionName)))
{
return;
}
EdmFunction storeFunction = EdmFunction.Create(
functionName,
FunctionAttribute.CodeFirstDatabaseSchema, // model.StoreModel.Container.Name is always "CodeFirstDatabaseSchema".
DataSpace.SSpace, // <edmx:StorageModels>
new EdmFunctionPayload()
{
Schema = functionAttribute.Schema,
IsAggregate = functionAttribute.IsAggregate,
IsBuiltIn = functionAttribute.IsBuiltIn,
IsNiladic = functionAttribute.IsNiladic,
IsComposable = functionAttribute.IsComposable,
ParameterTypeSemantics = functionAttribute.ParameterTypeSemantics,
Parameters = model.GetStoreParameters(methodInfo, functionAttribute),
ReturnParameters = model.GetStoreReturnParameters(methodInfo, functionAttribute),
CommandText = methodInfo.GetStoreCommandText(functionAttribute, functionName),
},
null);
model.StoreModel.AddItem(storeFunction);
switch (functionAttribute.Type)
{
// Aggregate/Built in/Niladic/Composable scalar-valued function has no <FunctionImport> or <FunctionImportMapping>.
case FunctionType.ComposableScalarValuedFunction:
case FunctionType.AggregateFunction:
case FunctionType.BuiltInFunction:
case FunctionType.NiladicFunction:
case FunctionType.ModelDefinedFunction:
return;
}
/*
* <!-- CSDL content -->
* <edmx:ConceptualModels>
* <Schema Namespace="AdventureWorks" Alias="Self" annotation:UseStrongSpatialTypes="false" xmlns:annotation="http://schemas.microsoft.com/ado/2009/02/edm/annotation" xmlns:customannotation="http://schemas.microsoft.com/ado/2013/11/edm/customannotation" xmlns="http://schemas.microsoft.com/ado/2009/11/edm">
* <EntityContainer Name="AdventureWorks" annotation:LazyLoadingEnabled="true">
* <FunctionImport Name="ufnGetContactInformation" IsComposable="true" ReturnType="Collection(AdventureWorks.ContactInformation)">
* <Parameter Name="PersonID" Mode="In" Type="Int32" />
* </FunctionImport>
* <FunctionImport Name="uspGetCategoryAndSubCategory" ReturnType="Collection(AdventureWorks.CategoryAndSubCategory)">
* <Parameter Name="CategoryID" Mode="In" Type="Int32" />
* </FunctionImport>
* <FunctionImport Name="uspGetManagerEmployees" ReturnType="Collection(AdventureWorks.ManagerEmployee)">
* <Parameter Name="BusinessEntityID" Mode="In" Type="Int32" />
* </FunctionImport>
* <FunctionImport Name="ufnGetProductStandardCost" ReturnType="Collection(Decimal)">
* <Parameter Name="ProductID" Mode="In" Type="Int32" />
* <Parameter Name="OrderDate" Mode="In" Type="DateTime" />
* </FunctionImport>
* <FunctionImport Name="ufnGetPersons" IsComposable="true" EntitySet="Persons" ReturnType="Collection(Model.Person)">
* <Parameter Name="Name" Mode="In" Type="String" />
* </FunctionImport>
* </EntityContainer>
* </Schema>
* </edmx:ConceptualModels>
*/
// Build above <ConceptualModels> imperatively.
EdmFunction modelFunction = EdmFunction.Create(
storeFunction.Name,
model.ConceptualModel.Container.Name,
DataSpace.CSpace, // <edmx:ConceptualModels>
new EdmFunctionPayload
{
IsFunctionImport = true,
IsComposable = storeFunction.IsComposableAttribute,
Parameters = model.GetModelParameters(methodInfo, storeFunction),
ReturnParameters = model.GetModelReturnParameters(methodInfo, functionAttribute),
EntitySets = model.GetModelEntitySets(methodInfo, functionAttribute)
},
null);
model.ConceptualModel.Container.AddFunctionImport(modelFunction);
/*
* <!-- C-S mapping content -->
* <edmx:Mappings>
* <Mapping Space="C-S" xmlns="http://schemas.microsoft.com/ado/2009/11/mapping/cs">
* <EntityContainerMapping StorageEntityContainer="CodeFirstDatabase" CdmEntityContainer="AdventureWorks">
* <FunctionImportMapping FunctionImportName="ufnGetContactInformation" FunctionName="AdventureWorks.ufnGetContactInformation">
* <ResultMapping>
* <ComplexTypeMapping TypeName="AdventureWorks.ContactInformation">
* <ScalarProperty Name="PersonID" ColumnName="PersonID" />
* <ScalarProperty Name="FirstName" ColumnName="FirstName" />
* <ScalarProperty Name="LastName" ColumnName="LastName" />
* <ScalarProperty Name="JobTitle" ColumnName="JobTitle" />
* <ScalarProperty Name="BusinessEntityType" ColumnName="BusinessEntityType" />
* </ComplexTypeMapping>
* </ResultMapping>
* </FunctionImportMapping>
* <FunctionImportMapping FunctionImportName="uspGetCategoryAndSubCategory" FunctionName="AdventureWorks.uspGetCategoryAndSubCategory">
* <ResultMapping>
* <ComplexTypeMapping TypeName="AdventureWorks.CategoryAndSubCategory">
* <ScalarProperty Name="ProductCategoryID" ColumnName="ProductCategoryID" />
* <ScalarProperty Name="Name" ColumnName="Name" />
* </ComplexTypeMapping>
* </ResultMapping>
* </FunctionImportMapping>
* <FunctionImportMapping FunctionImportName="uspGetManagerEmployees" FunctionName="AdventureWorks.uspGetManagerEmployees">
* <ResultMapping>
* <ComplexTypeMapping TypeName="AdventureWorks.ManagerEmployee">
* <ScalarProperty Name="RecursionLevel" ColumnName="RecursionLevel" />
* <ScalarProperty Name="OrganizationNode" ColumnName="OrganizationNode" />
* <ScalarProperty Name="ManagerFirstName" ColumnName="ManagerFirstName" />
* <ScalarProperty Name="ManagerLastName" ColumnName="ManagerLastName" />
* <ScalarProperty Name="BusinessEntityID" ColumnName="BusinessEntityID" />
* <ScalarProperty Name="FirstName" ColumnName="FirstName" />
* <ScalarProperty Name="LastName" ColumnName="LastName" />
* </ComplexTypeMapping>
* </ResultMapping>
* </FunctionImportMapping>
* <FunctionImportMapping FunctionImportName="ufnGetProductStandardCost" FunctionName="AdventureWorks.ufnGetProductStandardCost" />
* <FunctionImportMapping FunctionImportName="ufnGetPersons" FunctionName="Model.Store.ufnGetPersons" />
* </EntityContainerMapping>
* </Mapping>
* </edmx:Mappings>
*/
// Build above <Mappings> imperatively.
if (modelFunction.IsComposableAttribute)
{
model.ConceptualToStoreMapping.AddFunctionImportMapping(new FunctionImportMappingComposable(
modelFunction,
storeFunction,
new FunctionImportResultMapping(),
model.ConceptualToStoreMapping));
}
else
{
model.ConceptualToStoreMapping.AddFunctionImportMapping(new FunctionImportMappingNonComposable(
modelFunction,
storeFunction,
Enumerable.Empty <FunctionImportResultMapping>(),
model.ConceptualToStoreMapping));
}
}
private static PrimitiveType GetStoreParameterPrimitiveType(
this DbModel model, MethodInfo methodInfo, ParameterInfo parameterInfo, FunctionAttribute functionAttribute)
{
// <Parameter Name="PersonID" Type="int" Mode="In" />
Type parameterClrType = parameterInfo.ParameterType;
ParameterAttribute parameterAttribute = parameterInfo.GetCustomAttribute <ParameterAttribute>();
Type parameterAttributeClrType = parameterAttribute?.ClrType;
if (parameterClrType.IsGenericType)
{
Type parameterClrTypeDefinition = parameterClrType.GetGenericTypeDefinition();
if (parameterClrTypeDefinition == typeof(IEnumerable <>) ||
parameterClrTypeDefinition == typeof(IQueryable <>))
{
if (functionAttribute.Type == FunctionType.AggregateFunction)
{
// Aggregate function has one IEnumerable<T> or IQueryable<T> parameter.
parameterClrType = parameterClrType.GetGenericArguments().Single();
}
else
{
throw new NotSupportedException(
$"Parameter {parameterInfo.Name} of method {methodInfo.Name} is not supported. {typeof(IEnumerable<>).FullName} parameter must be used for {nameof(FunctionType)}.{nameof(FunctionType.AggregateFunction)} method.");
}
}
}
if (parameterClrType == typeof(ObjectParameter))
{
// ObjectParameter must be used for stored procedure parameter.
if (functionAttribute.Type != FunctionType.StoredProcedure)
{
throw new NotSupportedException(
$"Parameter {parameterInfo.Name} of method {methodInfo.Name} is not supported. {nameof(ObjectParameter)} parameter must be used for {nameof(FunctionType)}.{nameof(FunctionType.StoredProcedure)} method.");
}
// ObjectParameter.Type is available only when methodInfo is called.
// When building model, its store type/clr type must be provided by ParameterAttribute.
if (parameterAttributeClrType == null)
{
throw new NotSupportedException(
$"Parameter {parameterInfo.Name} of method {methodInfo.Name} is not supported. {nameof(ObjectParameter)} parameter must have {nameof(ParameterAttribute)} with {nameof(ParameterAttribute.ClrType)} specified, with optional {nameof(ParameterAttribute.DbType)}.");
}
parameterClrType = parameterAttributeClrType;
}
else
{
// When parameter is not ObjectParameter, ParameterAttribute.ClrType should be either not specified, or the same as parameterClrType.
if (parameterAttributeClrType != null && parameterAttributeClrType != parameterClrType)
{
throw new NotSupportedException(
$"Parameter {parameterInfo.Name} of method {methodInfo.Name} is not supported. It is of {parameterClrType.FullName} type, but its {nameof(ParameterAttribute)}.{nameof(ParameterAttribute.ClrType)} has a different type {parameterAttributeClrType.FullName}");
}
}
string storePrimitiveTypeName = parameterAttribute?.DbType;
return(!string.IsNullOrEmpty(storePrimitiveTypeName)
? model.GetStorePrimitiveType(storePrimitiveTypeName, methodInfo, parameterInfo)
: model.GetStorePrimitiveType(parameterClrType, methodInfo, parameterInfo));
}
private static IList<EntitySet> GetModelEntitySets(this DbModel model, MethodInfo methodInfo, FunctionAttribute functionAttribute)
{
ParameterInfo returnParameterInfo = methodInfo.ReturnParameter;
if (returnParameterInfo == null || returnParameterInfo.ParameterType == typeof(void))
{
throw new NotSupportedException($"The return parameter type of {methodInfo.Name} is not supported.");
}
if (functionAttribute.Type == FunctionType.StoredProcedure
&& returnParameterInfo.ParameterType != typeof(int))
{
// returnParameterInfo.ParameterType is ObjectResult<T>.
Type[] returnParameterClrTypes = methodInfo.GetStoredProcedureReturnTypes().ToArray();
if (returnParameterClrTypes.Length > 1)
{
// Stored procedure has more than one result.
// EdmFunctionPayload.EntitySets must be provided. Otherwise, an ArgumentException will be thrown:
// The EntitySets parameter must not be null for functions that return multiple result sets.
return returnParameterClrTypes.Select(clrType =>
{
EntitySet modelEntitySet = model
.ConceptualModel
.Container
.EntitySets
.FirstOrDefault(entitySet =>
entitySet.ElementType.FullName.EqualsOrdinal(clrType.FullName));
if (modelEntitySet == null)
{
throw new NotSupportedException(
$"{clrType.FullName} for method {methodInfo.Name} is not supported in conceptual model as entity set.");
}
return modelEntitySet;
}).ToArray();
}
}
// Do not return new EntitySet[0], which causes a ArgumentException:
// The number of entity sets should match the number of return parameters.
return null;
}
private static IList<FunctionParameter> GetModelReturnParameters(
this DbModel model, MethodInfo methodInfo, FunctionAttribute functionAttribute)
{
ParameterInfo returnParameterInfo = methodInfo.ReturnParameter;
if (returnParameterInfo == null || returnParameterInfo.ParameterType == typeof(void))
{
throw new NotSupportedException($"The return parameter type of {methodInfo.Name} is not supported.");
}
ParameterAttribute returnParameterAttribute = returnParameterInfo.GetCustomAttribute<ParameterAttribute>();
ResultTypeAttribute[] returnTypeAttributes = methodInfo.GetCustomAttributes<ResultTypeAttribute>().ToArray();
IEnumerable<EdmType> modelReturnParameterEdmTypes;
if (functionAttribute.Type == FunctionType.StoredProcedure)
{
if (returnParameterAttribute != null)
{
throw new NotSupportedException(
$"{nameof(ParameterAttribute)} for method {methodInfo.Name} is not supported.");
}
modelReturnParameterEdmTypes = methodInfo
.GetStoredProcedureReturnTypes()
.Select(clrType => model.GetModelStructualType(clrType, methodInfo));
}
else
{
if (returnTypeAttributes.Any())
{
throw new NotSupportedException(
$"{nameof(ResultTypeAttribute)} for method {methodInfo.Name} is not supported.");
}
if (functionAttribute.Type == FunctionType.TableValuedFunction)
{
// returnParameterInfo.ParameterType is IQueryable<T>.
Type returnParameterClrType = returnParameterInfo.ParameterType.GetGenericArguments().Single();
StructuralType modelReturnParameterStructuralType = model.GetModelStructualType(
returnParameterClrType, methodInfo);
modelReturnParameterEdmTypes = Enumerable.Repeat(modelReturnParameterStructuralType, 1);
}
else
{
Type returnParameterClrType = returnParameterInfo.ParameterType;
Type returnParameterAttributeClrType = returnParameterAttribute?.ClrType;
if (returnParameterAttributeClrType != null
&& returnParameterAttributeClrType != returnParameterClrType)
{
throw new NotSupportedException(
$"Return parameter of method {methodInfo.Name} is of {returnParameterClrType.FullName}, but its {nameof(ParameterAttribute)}.{nameof(ParameterAttribute.ClrType)} has a fifferent type {returnParameterAttributeClrType.FullName}");
}
PrimitiveType returnParameterPrimitiveType = model.GetModelPrimitiveType(
returnParameterClrType, methodInfo);
modelReturnParameterEdmTypes = Enumerable.Repeat(returnParameterPrimitiveType, 1);
}
}
return modelReturnParameterEdmTypes
.Select((edmType, index) => FunctionParameter.Create(
$"ReturnType{index}",
edmType.GetCollectionType(),
ParameterMode.ReturnValue))
.ToArray();
}
public static void AddFunction(
this DbModel model,
MethodInfo methodInfo,
FunctionAttribute functionAttribute)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (methodInfo == null)
{
throw new ArgumentNullException(nameof(methodInfo));
}
if (functionAttribute == null)
{
throw new ArgumentNullException(nameof(functionAttribute));
}
/*
<!-- SSDL content -->
<edmx:StorageModels>
<Schema Namespace="CodeFirstDatabaseSchema" Provider="System.Data.SqlClient" ProviderManifestToken="2012" Alias="Self" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns:customannotation="http://schemas.microsoft.com/ado/2013/11/edm/customannotation" xmlns="http://schemas.microsoft.com/ado/2009/11/edm/ssdl">
<Function Name="ufnGetContactInformation" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="true" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
<Parameter Name="PersonID" Type="int" Mode="In" />
<ReturnType>
<CollectionType>
<RowType>
<Property Name="PersonID" Type="int" Nullable="false" />
<Property Name="FirstName" Type="nvarchar" MaxLength="50" />
<Property Name="LastName" Type="nvarchar" MaxLength="50" />
<Property Name="JobTitle" Type="nvarchar" MaxLength="50" />
<Property Name="BusinessEntityType" Type="nvarchar" MaxLength="50" />
</RowType>
</CollectionType>
</ReturnType>
</Function>
<Function Name="ufnGetProductListPrice" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="true" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo" ReturnType="money">
<Parameter Name="ProductID" Type="int" Mode="In" />
<Parameter Name="OrderDate" Type="datetime" Mode="In" />
</Function>
<Function Name="ufnGetProductStandardCost" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
<Parameter Name="ProductID" Type="int" Mode="In" />
<Parameter Name="OrderDate" Type="datetime" Mode="In" />
<CommandText>
SELECT [dbo].[ufnGetProductListPrice](@ProductID, @OrderDate)
</CommandText>
</Function>
<Function Name="uspGetCategoryAndSubCategory" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
<Parameter Name="CategoryID" Type="int" Mode="In" />
</Function>
<Function Name="uspGetManagerEmployees" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo">
<Parameter Name="BusinessEntityID" Type="int" Mode="In" />
</Function>
<EntityContainer Name="CodeFirstDatabase">
</EntityContainer>
</Schema>
</edmx:StorageModels>
*/
// Build above <StorageModels> imperatively.
string functionName = functionAttribute.FunctionName;
if (string.IsNullOrWhiteSpace(functionName))
{
functionName = methodInfo.Name;
}
EdmFunction storeFunction = EdmFunction.Create(
functionName,
CodeFirstDatabaseSchema, // model.StoreModel.Container.Name is "CodeFirstDatabase".
DataSpace.SSpace, // <edmx:StorageModels>
new EdmFunctionPayload()
{
Schema = functionAttribute.Schema,
IsAggregate = functionAttribute.IsAggregate,
IsBuiltIn = functionAttribute.IsBuiltIn,
IsNiladic = functionAttribute.IsNiladic,
IsComposable = functionAttribute.IsComposable,
ParameterTypeSemantics = functionAttribute.ParameterTypeSemantics,
Parameters = model.GetStoreParameters(methodInfo, functionAttribute),
ReturnParameters = model.GetStoreReturnParameters(methodInfo, functionAttribute),
CommandText = methodInfo.GetStoreCommandText(functionAttribute, functionName)
},
null);
model.StoreModel.AddItem(storeFunction);
switch (functionAttribute.Type)
{
// Aggregate/Built in/Niladic/Composable scalar-valued function has no <FunctionImport> or <FunctionImportMapping>.
case FunctionType.ComposableScalarValuedFunction:
case FunctionType.AggregateFunction:
case FunctionType.BuiltInFunction:
case FunctionType.NiladicFunction:
return;
}
/*
<!-- CSDL content -->
<edmx:ConceptualModels>
<Schema Namespace="AdventureWorks" Alias="Self" annotation:UseStrongSpatialTypes="false" xmlns:annotation="http://schemas.microsoft.com/ado/2009/02/edm/annotation" xmlns:customannotation="http://schemas.microsoft.com/ado/2013/11/edm/customannotation" xmlns="http://schemas.microsoft.com/ado/2009/11/edm">
<EntityContainer Name="AdventureWorks" annotation:LazyLoadingEnabled="true">
<FunctionImport Name="ufnGetContactInformation" IsComposable="true" ReturnType="Collection(AdventureWorks.ContactInformation)">
<Parameter Name="PersonID" Mode="In" Type="Int32" />
</FunctionImport>
<FunctionImport Name="uspGetCategoryAndSubCategory" ReturnType="Collection(AdventureWorks.CategoryAndSubCategory)">
<Parameter Name="CategoryID" Mode="In" Type="Int32" />
</FunctionImport>
<FunctionImport Name="uspGetManagerEmployees" ReturnType="Collection(AdventureWorks.ManagerEmployee)">
<Parameter Name="BusinessEntityID" Mode="In" Type="Int32" />
</FunctionImport>
<FunctionImport Name="ufnGetProductStandardCost" ReturnType="Collection(Decimal)">
<Parameter Name="ProductID" Mode="In" Type="Int32" />
<Parameter Name="OrderDate" Mode="In" Type="DateTime" />
</FunctionImport>
</EntityContainer>
</Schema>
</edmx:ConceptualModels>
*/
// Build above <ConceptualModels> imperatively.
EdmFunction modelFunction = EdmFunction.Create(
storeFunction.Name,
model.ConceptualModel.Container.Name,
DataSpace.CSpace, // <edmx:ConceptualModels>
new EdmFunctionPayload
{
IsFunctionImport = true,
IsComposable = storeFunction.IsComposableAttribute,
Parameters = model.GetModelParameters(methodInfo, storeFunction),
ReturnParameters = model.GetModelReturnParameters(methodInfo, functionAttribute),
EntitySets = model.GetModelEntitySets(methodInfo, functionAttribute)
},
null);
model.ConceptualModel.Container.AddFunctionImport(modelFunction);
/*
<!-- C-S mapping content -->
<edmx:Mappings>
<Mapping Space="C-S" xmlns="http://schemas.microsoft.com/ado/2009/11/mapping/cs">
<EntityContainerMapping StorageEntityContainer="CodeFirstDatabase" CdmEntityContainer="AdventureWorks">
<FunctionImportMapping FunctionImportName="ufnGetContactInformation" FunctionName="AdventureWorks.ufnGetContactInformation">
<ResultMapping>
<ComplexTypeMapping TypeName="AdventureWorks.ContactInformation">
<ScalarProperty Name="PersonID" ColumnName="PersonID" />
<ScalarProperty Name="FirstName" ColumnName="FirstName" />
<ScalarProperty Name="LastName" ColumnName="LastName" />
<ScalarProperty Name="JobTitle" ColumnName="JobTitle" />
<ScalarProperty Name="BusinessEntityType" ColumnName="BusinessEntityType" />
</ComplexTypeMapping>
</ResultMapping>
</FunctionImportMapping>
<FunctionImportMapping FunctionImportName="uspGetCategoryAndSubCategory" FunctionName="AdventureWorks.uspGetCategoryAndSubCategory">
<ResultMapping>
<ComplexTypeMapping TypeName="AdventureWorks.CategoryAndSubCategory">
<ScalarProperty Name="ProductCategoryID" ColumnName="ProductCategoryID" />
<ScalarProperty Name="Name" ColumnName="Name" />
</ComplexTypeMapping>
</ResultMapping>
</FunctionImportMapping>
<FunctionImportMapping FunctionImportName="uspGetManagerEmployees" FunctionName="AdventureWorks.uspGetManagerEmployees">
<ResultMapping>
<ComplexTypeMapping TypeName="AdventureWorks.ManagerEmployee">
<ScalarProperty Name="RecursionLevel" ColumnName="RecursionLevel" />
<ScalarProperty Name="OrganizationNode" ColumnName="OrganizationNode" />
<ScalarProperty Name="ManagerFirstName" ColumnName="ManagerFirstName" />
<ScalarProperty Name="ManagerLastName" ColumnName="ManagerLastName" />
<ScalarProperty Name="BusinessEntityID" ColumnName="BusinessEntityID" />
<ScalarProperty Name="FirstName" ColumnName="FirstName" />
<ScalarProperty Name="LastName" ColumnName="LastName" />
</ComplexTypeMapping>
</ResultMapping>
</FunctionImportMapping>
<FunctionImportMapping FunctionImportName="ufnGetProductStandardCost" FunctionName="AdventureWorks.ufnGetProductStandardCost" />
</EntityContainerMapping>
</Mapping>
</edmx:Mappings>
*/
// Build above <Mappings> imperatively.
FunctionImportMapping mapping;
if (modelFunction.IsComposableAttribute)
{
mapping = new FunctionImportMappingComposable(
modelFunction,
storeFunction,
new FunctionImportResultMapping(),
model.ConceptualToStoreMapping);
}
else
{
mapping = new FunctionImportMappingNonComposable(
modelFunction,
storeFunction,
Enumerable.Empty<FunctionImportResultMapping>(),
model.ConceptualToStoreMapping);
}
model.ConceptualToStoreMapping.AddFunctionImportMapping(mapping);
}
private static IList<FunctionParameter> GetStoreReturnParameters(
this DbModel model, MethodInfo methodInfo, FunctionAttribute functionAttribute)
{
ParameterInfo returnParameterInfo = methodInfo.ReturnParameter;
if (returnParameterInfo == null || returnParameterInfo.ParameterType == typeof(void))
{
throw new NotSupportedException($"The return type of {methodInfo.Name} is not supported.");
}
ParameterAttribute returnParameterAttribute = returnParameterInfo.GetCustomAttribute<ParameterAttribute>();
ResultTypeAttribute[] returnTypeAttributes = methodInfo.GetCustomAttributes<ResultTypeAttribute>().ToArray();
if (functionAttribute.Type == FunctionType.StoredProcedure)
{
if (returnParameterAttribute != null)
{
throw new NotSupportedException(
$"{nameof(ParameterAttribute)} for return value of method {methodInfo.Name} is not supported.");
}
return new FunctionParameter[0];
}
if (returnTypeAttributes.Any())
{
throw new NotSupportedException($"{nameof(ResultTypeAttribute)} for method {methodInfo.Name} is not supported.");
}
if (functionAttribute.Type == FunctionType.TableValuedFunction)
{
if (returnParameterAttribute != null)
{
throw new NotSupportedException(
$"{nameof(ParameterAttribute)} for return value of method {methodInfo.Name} is not supported.");
}
/*
<CollectionType>
<RowType>
<Property Name="PersonID" Type="int" Nullable="false" />
<Property Name="FirstName" Type="nvarchar" MaxLength="50" />
<Property Name="LastName" Type="nvarchar" MaxLength="50" />
<Property Name="JobTitle" Type="nvarchar" MaxLength="50" />
<Property Name="BusinessEntityType" Type="nvarchar" MaxLength="50" />
</RowType>
</CollectionType>
*/
// returnParameterInfo.ParameterType is IQueryable<T>.
Type storeReturnParameterClrType = returnParameterInfo.ParameterType.GetGenericArguments().Single();
StructuralType modelReturnParameterStructuralType = model.GetModelStructualType(
storeReturnParameterClrType, methodInfo);
RowType storeReturnParameterRowType = RowType.Create(
modelReturnParameterStructuralType
.Members
.Select(member => EdmProperty.Create(
member.Name, model.ProviderManifest.GetStoreType(member.TypeUsage))),
null); // Collection of RowType.
return new FunctionParameter[]
{
FunctionParameter.Create(
"ReturnType",
storeReturnParameterRowType.GetCollectionType(),
ParameterMode.ReturnValue)
};
}
if (functionAttribute.Type == FunctionType.NonComposableScalarValuedFunction)
{
// Non-composable scalar-valued function.
return new FunctionParameter[0];
}
// Composable scalar-valued/Aggregate/Built in/Niladic function.
// <Function Name="ufnGetProductListPrice" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="true" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"
// ReturnType ="money">
PrimitiveType storeReturnParameterPrimitiveType = model.GetStoreParameterPrimitiveType(
methodInfo, returnParameterInfo, functionAttribute);
return new FunctionParameter[]
{
FunctionParameter.Create(
"ReturnType", storeReturnParameterPrimitiveType, ParameterMode.ReturnValue)
};
}
private static PrimitiveType GetStoreParameterPrimitiveType(
this DbModel model, MethodInfo methodInfo, ParameterInfo parameterInfo, FunctionAttribute functionAttribute)
{
// <Parameter Name="PersonID" Type="int" Mode="In" />
Type parameterClrType = parameterInfo.ParameterType;
ParameterAttribute parameterAttribute = parameterInfo.GetCustomAttribute<ParameterAttribute>();
Type parameterAttributeClrType = parameterAttribute?.ClrType;
if (parameterClrType.IsGenericType)
{
Type parameterClrTypeDefinition = parameterClrType.GetGenericTypeDefinition();
if (parameterClrTypeDefinition == typeof(IEnumerable<>)
|| parameterClrTypeDefinition == typeof(IQueryable<>))
{
if (functionAttribute.Type == FunctionType.AggregateFunction)
{
// Aggregate function has one IEnumerable<T> or IQueryable<T> parameter.
parameterClrType = parameterClrType.GetGenericArguments().Single();
}
else
{
throw new NotSupportedException(
$"Parameter {parameterInfo.Name} of method {methodInfo.Name} is not supported. {typeof(IEnumerable<>).FullName} parameter must be used for {nameof(FunctionType)}.{nameof(FunctionType.AggregateFunction)} method.");
}
}
}
if (parameterClrType == typeof(ObjectParameter))
{
// ObjectParameter must be used for stored procedure parameter.
if (functionAttribute.Type != FunctionType.StoredProcedure)
{
throw new NotSupportedException(
$"Parameter {parameterInfo.Name} of method {methodInfo.Name} is not supported. {nameof(ObjectParameter)} parameter must be used for {nameof(FunctionType)}.{nameof(FunctionType.StoredProcedure)} method.");
}
// ObjectParameter.Type is available only when methodInfo is called.
// When building model, its store type/clr type must be provided by ParameterAttribute.
if (parameterAttributeClrType == null)
{
throw new NotSupportedException(
$"Parameter {parameterInfo.Name} of method {methodInfo.Name} is not supported. {nameof(ObjectParameter)} parameter must have {nameof(ParameterAttribute)} with {nameof(ParameterAttribute.ClrType)} specified, with optional {nameof(ParameterAttribute.DbType)}.");
}
parameterClrType = parameterAttributeClrType;
}
else
{
// When parameter is not ObjectParameter, ParameterAttribute.ClrType should be either not specified, or the same as parameterClrType.
if (parameterAttributeClrType != null && parameterAttributeClrType != parameterClrType)
{
throw new NotSupportedException(
$"Parameter {parameterInfo.Name} of method {methodInfo.Name} is not supported. It is of {parameterClrType.FullName} type, but its {nameof(ParameterAttribute)}.{nameof(ParameterAttribute.ClrType)} has a fifferent type {parameterAttributeClrType.FullName}");
}
}
string storePrimitiveTypeName = parameterAttribute?.DbType;
return !string.IsNullOrEmpty(storePrimitiveTypeName)
? model.GetStorePrimitiveType(storePrimitiveTypeName, methodInfo, parameterInfo)
: model.GetStorePrimitiveType(parameterClrType, methodInfo, parameterInfo);
}
private static IList<FunctionParameter> GetStoreParameters
(this DbModel model, MethodInfo methodInfo, FunctionAttribute functionAttribute) => methodInfo
.GetParameters()
.Select((parameterInfo, index) =>
{
string parameterName = parameterInfo.GetCustomAttribute<ParameterAttribute>()?.Name;
if (string.IsNullOrWhiteSpace(parameterName))
{
parameterName = parameterInfo.Name;
}
switch (functionAttribute.Type)
{
case FunctionType.NiladicFunction:
throw new NotSupportedException(
$"Parameter of method {methodInfo.Name} is not supporteds.");
case FunctionType.AggregateFunction:
{
if (index == 0)
{
return FunctionParameter.Create(
parameterName,
model.GetStoreParameterPrimitiveType(
methodInfo, parameterInfo, functionAttribute)
.GetCollectionType(), // Must be collection type.
ParameterMode.In);
}
// Aggregate function with more than more parameter is not supported by entity framework.
throw new NotSupportedException(
$"Method {methodInfo.Name} has more than one parameters and is not supported by Entity Framework.");
}
}
return FunctionParameter.Create(
parameterName,
model.GetStoreParameterPrimitiveType(methodInfo, parameterInfo, functionAttribute),
parameterInfo.ParameterType == typeof(ObjectParameter)
? ParameterMode.InOut
: ParameterMode.In);
})
.ToArray();
