SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier A
    Function toString (alias B_str) (children 1)
     ExpressionList (children 1)
      Identifier B
    Function toString (alias c_str) (children 1)
     ExpressionList (children 1)
      Function SUM (children 1)
       ExpressionList (children 1)
        Identifier C
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier decimal
   ExpressionList (children 2)
    Identifier A
    Identifier B_str