SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier decimal
   Function and (children 1)
    ExpressionList (children 2)
     Function isNull (children 1)
      ExpressionList (children 1)
       Identifier d
     Function isNull (children 1)
      ExpressionList (children 1)
       Identifier f