SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Literal UInt64_1 (alias id)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Literal UInt64_2
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier id
     Literal UInt64_1
