public void Visiting(SqlMaxFunction maxFunction)
 {
     if (maxFunction.SqlExpression != null)
     {
         sqlBuilder.Append("Max(");
         if (maxFunction.Distinct)
         {
             sqlBuilder.Append("Distinct ");
         }
         maxFunction.SqlExpression.Accept(this);
         sqlBuilder.Append(")");
     }
     else
     {
         sqlBuilder.Append("Max(*)");
     }
 }
 public void Visited(SqlMaxFunction maxFunction)
 {
 }