SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Identifier dummy
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier one
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier one (alias A)
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier A.dummy
        Identifier one.dummy