SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 6)
    Function toUInt8 (alias x) (children 1)
     ExpressionList (children 1)
      Identifier number
    Function round (children 1)
     ExpressionList (children 2)
      Identifier x
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal Int64_-1
    Function roundBankers (children 1)
     ExpressionList (children 2)
      Identifier x
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal Int64_-1
    Function floor (children 1)
     ExpressionList (children 2)
      Identifier x
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal Int64_-1
    Function ceil (children 1)
     ExpressionList (children 2)
      Identifier x
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal Int64_-1
    Function trunc (children 1)
     ExpressionList (children 2)
      Identifier x
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal Int64_-1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_20
