/// <summary>
/// Finds all signatures for the given function name.
/// Search in both BuiltIn uri functions and Custom uri functions.
/// Combine and return the signatures overloads of the results.
/// </summary>
/// <param name="functionName">The function to get the signatures for.</param>
/// <returns>The signatures which match the supplied function name.</returns>
internal static FunctionSignatureWithReturnType[] GetUriFunctionSignatures(string functionName)
{
FunctionSignatureWithReturnType[] customUriFunctionsSignatures = null;
FunctionSignatureWithReturnType[] builtInUriFunctionsSignatures = null;
// Try to find the function in the user custom functions and in our built-in functions
bool customFound = CustomUriFunctions.TryGetCustomFunction(functionName, out customUriFunctionsSignatures);
bool builtInFound = BuiltInUriFunctions.TryGetBuiltInFunction(functionName, out builtInUriFunctionsSignatures);
if (!customFound && !builtInFound)
{
// Not found in both built-in and custom.
throw new ODataException(ODataErrorStrings.MetadataBinder_UnknownFunction(functionName));
}
if (!customFound)
{
Debug.Assert(builtInUriFunctionsSignatures != null, "No Built-in functions found");
return(builtInUriFunctionsSignatures);
}
if (!builtInFound)
{
Debug.Assert(customUriFunctionsSignatures != null, "No Custom functions found");
return(customUriFunctionsSignatures);
}
return(builtInUriFunctionsSignatures.Concat(customUriFunctionsSignatures).ToArray());
}
public void UnqualifiedFunctionInQueryTest()
{
this.TestUnqualified(
"People?$orderby=TestNS.FindPencil(pid=2)/Id",
"People?$orderby=FindPencil(pid=2)/Id",
parser => parser.ParseOrderBy(),
clause => clause.Expression.ShouldBeSingleValuePropertyAccessQueryNode(PencilId).And.Source.ShouldBeSingleEntityFunctionCallNode("TestNS.FindPencil"),
Strings.MetadataBinder_UnknownFunction("FindPencil"));
}
/// <summary>
/// Finds all signatures for the given function name.
/// </summary>
/// <param name="functionName">The function to get the signatures for.</param>
/// <returns>The signatures which match the supplied function name.</returns>
internal static FunctionSignatureWithReturnType[] GetBuiltInFunctionSignatures(string functionName)
{
// Try to find the function in our built-in functions
FunctionSignatureWithReturnType[] signatures;
if (!BuiltInFunctions.TryGetBuiltInFunction(functionName, out signatures))
{
throw new ODataException(ODataErrorStrings.MetadataBinder_UnknownFunction(functionName));
}
return(signatures);
}