SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function sleepEachRow (children 1)
     ExpressionList (children 1)
      Literal UInt64_2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function url (children 1)
       ExpressionList (children 3)
        Function concat (children 1)
         ExpressionList (children 2)
          Literal \'http://localhost:8123/?param_tries={1..10}&query=\'
          Function encodeURLComponent (children 1)
           ExpressionList (children 1)
            Function concat (children 1)
             ExpressionList (children 3)
              Literal \'select * from system.replication_queue where database=\\\'\'
              Function currentDatabase (children 1)
               ExpressionList
              Literal \'\\\' and table=\\\'mut\\\' and type=\\\'ALTER_METADATA\\\'\'
        Literal \'LineAsString\'
        Literal \'s String\'
   Set
 Identifier Null
