SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function divide (children 1)
     ExpressionList (children 2)
      Function sum (children 1)
       ExpressionList (children 1)
        Function less (children 1)
         ExpressionList (children 2)
          Function abs (children 1)
           ExpressionList (children 1)
            Function minus (children 1)
             ExpressionList (children 2)
              Function log2 (children 1)
               ExpressionList (children 1)
                Function exp2 (children 1)
                 ExpressionList (children 1)
                  Identifier x
              Identifier x
          Literal Float64_1e-9
      Function count (children 1)
       ExpressionList
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.one
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       Function range (alias x) (children 1)
        ExpressionList (children 1)
         Literal UInt64_1000
