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Posted to user@orc.apache.org by Richard Evans <ri...@blueallegro.net> on 2022/11/01 09:30:36 UTC
Optional fields in ORC file objects
Hello
Reading the message specifications in the ORC file format
(https://orc.apache.org/specification/ORCv1/) I see every field is
marked optional. Yet some of the fields are always required (such as
the footerLength in the file Postscript).
So are all fields always present? Or is there any way to tell which
fields are truly optional and which are always required?
Thanks
Richard