vegarsti commented on issue #8016:
URL: https://github.com/apache/arrow-rs/issues/8016#issuecomment-3170383041

   > [@brancz](https://github.com/brancz) Do you happen to have a code snippet 
you could share for trying to persist Arrow as Parquet? That would be very 
helpful as well.
   > 
   > For the `match` arm in `arrow_to_parquet_type`, which is currently 
panicking, I _think_ doing roughly the same as what the arm above it for the 
`Dictionary` type does, will work.
   > 
   > But I haven't found the code for writing records, which I imagine is the 
more complicated part.
   
   The module I was looking for was parquet's `ArrowWriter`!
   
https://github.com/apache/arrow-rs/blob/04f217b6708eed2804c3b0a669a65ea111c2c5f1/parquet/src/arrow/arrow_writer/mod.rs#L169


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