SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 6)
    Function count (children 1)
     ExpressionList
    Function uniq (children 1)
     ExpressionList (children 1)
      Identifier x
    Function avg (children 1)
     ExpressionList (children 1)
      Identifier x
    Function avg (children 1)
     ExpressionList (children 1)
      Function toNullable (children 1)
       ExpressionList (children 1)
        Identifier x
    Function groupArray (children 1)
     ExpressionList (children 1)
      Identifier x
    Function groupUniqArray (children 1)
     ExpressionList (children 1)
      Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 2)
        Literal \'127.0.0.{1..10}\'
        Identifier system.one
   Function less (children 1)
    ExpressionList (children 2)
     Function rand (alias x) (children 1)
      ExpressionList
     Literal UInt64_0
