SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 4)
    Function splitByChar (alias arr) (children 1)
     ExpressionList (children 2)
      Literal \'0\'
      Function toString (children 1)
       ExpressionList (children 1)
        Function intHash64 (children 1)
         ExpressionList (children 1)
          Identifier number
    Literal UInt64_3 (alias lim)
    Function arrayResize (alias sorted) (children 1)
     ExpressionList (children 2)
      Function arrayPartialSort (children 1)
       ExpressionList (children 2)
        Identifier lim
        Identifier arr
      Identifier lim
    Function arrayResize (alias sorted_nums) (children 1)
     ExpressionList (children 2)
      Function arrayPartialSort (children 1)
       ExpressionList (children 3)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 1)
            Identifier x
          Function toUInt64OrZero (children 1)
           ExpressionList (children 1)
            Identifier x
        Identifier lim
        Identifier arr
      Identifier lim
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_10
