SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 6)
    Function toFloat64 (alias x) (children 1)
     ExpressionList (children 1)
      Function divide (children 1)
       ExpressionList (children 2)
        Function minus (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_10
        Literal UInt64_10
    Function round (children 1)
     ExpressionList (children 2)
      Identifier x
      Literal UInt64_1
    Function roundBankers (children 1)
     ExpressionList (children 2)
      Identifier x
      Literal UInt64_1
    Function floor (children 1)
     ExpressionList (children 2)
      Identifier x
      Literal UInt64_1
    Function ceil (children 1)
     ExpressionList (children 2)
      Identifier x
      Literal UInt64_1
    Function trunc (children 1)
     ExpressionList (children 2)
      Identifier x
      Literal UInt64_1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_20