SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function url (children 1)
       ExpressionList (children 2)
        Literal \'http://127.0.0.1:8123?query=select+{1,2}+as+x+format+TSV\'
        Literal \'TSV\'
   Literal UInt64_0
