SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 4)
    Function round (alias k) (children 1)
     ExpressionList (children 1)
      Function divide (children 1)
       ExpressionList (children 2)
        Literal UInt64_1000000
        Function plus (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_1
    Function count (alias c) (children 1)
     ExpressionList
    Function arrayMap (alias q1) (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function round (children 1)
         ExpressionList (children 2)
          Identifier x
          Literal UInt64_6
      Function quantilesDeterministic (children 2)
       ExpressionList (children 2)
        Identifier number
        Function intHash64 (children 1)
         ExpressionList (children 1)
          Identifier number
       ExpressionList (children 3)
        Literal Float64_0.1
        Literal Float64_0.5
        Literal Float64_0.9
    Function quantilesExact (alias q2) (children 2)
     ExpressionList (children 1)
      Identifier number
     ExpressionList (children 3)
      Literal Float64_0.1
      Literal Float64_0.5
      Literal Float64_0.9
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 1)
           Identifier number
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_1000000
   ExpressionList (children 1)
    Identifier k
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier k