private static TypedParameterModel GetParameter(FunctionParameter functionParameter)
{
var declaration = functionParameter.NameAndType;
var defaultValue = functionParameter.DefaultValue;
var(name, type) = declaration
.GetImmediateDescendants <SyntaxNode>()
.ExtractChildren <NameDeclaration, TypeExpression>("Parameter pair");
if (type is PrimitiveTypeExpression)
{
var typeExpression = type as PrimitiveTypeExpression;
return(new TypedParameterModel(
EntityName.FromCode(name),
typeExpression !.Type.ValueText,
defaultValue != null ? defaultValue.ToString() : null));
}
else
{
var typeExpression = type as SchemaTypeExpression;
var cols = typeExpression !.Columns;
// Consider the case T(*)
if (cols.Count == 1 &&
cols.First().GetImmediateDescendants <NameAndTypeDeclaration>().Count == 0)
{
return(new TypedParameterModel(
EntityName.FromCode(name),
new TableParameterModel(new TableColumn[0])));
}
else
{
var columns = typeExpression !
.Columns
.Select(c => c.GetUniqueImmediateDescendant <NameAndTypeDeclaration>("Function parameter table column"))
.Select(n => GetColumnSchema(n));
var table = new TableParameterModel(columns);
return(new TypedParameterModel(
EntityName.FromCode(name),
table));
}
}
}
public TypedParameterModel(EntityName parameterName, TableParameterModel tableSchema)
: this(parameterName)
{
ComplexType = tableSchema;
}