public static Expression CreateSelectExpression(Type type, InvocationQuerySyntaxNode node)
{
var visitor = new ExpressionSelectQuerySyntaxVisitor(type);
var selectBody = visitor.Visit(node);
return(Expression.Lambda(selectBody, visitor.Parameter));
}
private Expression <Func <TDocument, object> > BuildSelect(IHttpRequest request)
{
var selectMethods = ParseSelect(request);
var selectMethod = selectMethods?.FirstOrDefault();
if (selectMethod != null)
{
return((Expression <Func <TDocument, object> >)ExpressionSelectQuerySyntaxVisitor.CreateSelectExpression(typeof(TDocument), selectMethod));
}
return(null);
}