SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function snowflakeIDToDateTime (children 1)
     ExpressionList (children 3)
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'123\'
        Literal \'UInt64\'
      Literal UInt64_42
      Literal UInt64_42
