SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Function round (alias x) (children 1)
     ExpressionList (children 2)
      Function exp (children 1)
       ExpressionList (children 1)
        Identifier number
      Literal UInt64_6
    Function if (alias y) (children 1)
     ExpressionList (children 3)
      Function greater (children 1)
       ExpressionList (children 2)
        Identifier x
        Literal UInt64_18446744073709551615
      Literal UInt64_18446744073709551615
      Function toUInt64 (children 1)
       ExpressionList (children 1)
        Identifier x
    Function if (alias z) (children 1)
     ExpressionList (children 3)
      Function greater (children 1)
       ExpressionList (children 2)
        Identifier x
        Literal UInt64_2147483647
      Literal UInt64_2147483647
      Function toInt32 (children 1)
       ExpressionList (children 1)
        Identifier x
   ExpressionList (children 3)
    Function FORMAT_BYTES (children 1)
     ExpressionList (children 1)
      Identifier x
    Function format_bytes (children 1)
     ExpressionList (children 1)
      Identifier y
    Function formatReadableSize (children 1)
     ExpressionList (children 1)
      Identifier z
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_70
