SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier _path
   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
