SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 6)
    Literal UInt64_693961 (alias u)
    Function toInt32 (alias s) (children 1)
     ExpressionList (children 1)
      Identifier u
    Function fromDaysSinceYearZero32 (children 1)
     ExpressionList (children 1)
      Identifier u
    Function fromDaysSinceYearZero32 (children 1)
     ExpressionList (children 1)
      Function materialize (children 1)
       ExpressionList (children 1)
        Identifier u
    Function fromDaysSinceYearZero32 (children 1)
     ExpressionList (children 1)
      Identifier s
    Function fromDaysSinceYearZero32 (children 1)
     ExpressionList (children 1)
      Function materialize (children 1)
       ExpressionList (children 1)
        Identifier s