Thank you for the reply. I tried to create a BufferReader for row group buffers. And the code works, although in a not perfect way, I am not sure if any hidden bug lurks. Here is the link to the code: https://github.com/KyleGrains/parquet_rowgroup_buffer_reader
Micah Kornfield <[email protected]> 于2022年5月30日周一 04:10写道： > I don't think this functionality is available through public APIs, but I > could be mistaken. What are you trying to achieve, it could be possible to > make this work in other ways. > > On Tue, May 17, 2022 at 8:20 PM Kyle Sun <[email protected]> wrote: > >> Hi, I have a question about parquet file reading. >> >> Is it possible to read some row groups of a parquet file and save it in a >> local buffer, then pass the buffer to some parquet reader constructor for >> reading later? >> >> From the api, I can see once I get a FileReader, I can read the row >> groups, but not the underlying buffer or the other way around. >> >> Many thanks in advance. >> >> Best wishes >> Kai >> >
