public override SqlExpression VisitFunctionCall(SqlFunctionCallExpression expression)
{
var invoke = new Invoke(expression.FunctioName, expression.Arguments);
var function = invoke.ResolveRoutine(query) as IFunction;
if (function != null)
{
SetType(function.ReturnType(invoke, query, variableResolver));
}
return(base.VisitFunctionCall(expression));
}
