SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function count (alias diff) (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectIntersectExceptQuery (children 2)
          SelectWithUnionQuery (children 1)
           ExpressionList (children 1)
            SelectQuery (children 2)
             ExpressionList (children 1)
              Asterisk
             TablesInSelectQuery (children 1)
              TablesInSelectQueryElement (children 1)
               TableExpression (children 1)
                TableIdentifier distinct_in_order
          SelectQuery (children 2)
           ExpressionList (children 1)
            Asterisk
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              TableIdentifier ordinary_distinct
