CreateQuery url (children 3)
 Identifier url
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration n (children 1)
    DataType UInt64
   ColumnDeclaration col (children 1)
    DataType String
 Storage definition (children 1)
  Function URL (children 1)
   ExpressionList (children 2)
    Function replace (children 1)
     ExpressionList (children 3)
      Function concat (children 1)
       ExpressionList (children 6)
        Literal \'https://localhost:\'
        Function getServerPort (children 1)
         ExpressionList (children 1)
          Literal \'https_port\'
        Literal \'/?query=\'
        Literal \'select n, _table from \'
        Function currentDatabase (children 1)
         ExpressionList
        Literal \'.merge format CSV\'
      Literal \' \'
      Literal \'+\'
    Identifier CSV
