jhorstmann commented on issue #7356:
URL: https://github.com/apache/arrow-rs/issues/7356#issuecomment-6526783825

   A more serious issue here is that a completely empty row group also seems to 
write a dictionary page, and no data pages. That leads to 
´ColumnMetaData::data_page_offset ==  0` (it is a required field) and 
`ColumnMetaData::dictionary_page_offset > 0`. I think many implementations 
start reading from the smaller of those two offsets, and so will try to parse 
the `PAR1` header as a data page.


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