[GitHub] [arrow] alamb commented on pull request #8300: ARROW-10135: [Rust] [Parquet] Refactor file module to help adding sources

[GitBox <gi...@apache.org>]

alamb commented on pull request #8300:
URL: https://github.com/apache/arrow/pull/8300#issuecomment-701575470


   from https://issues.apache.org/jira/browse/ARROW-10135, it seems like your goal is to support reading parquet files from sources other than files. 
   
   I wonder if you have tried implementing the `ParquetReader` trait for another data source?
   
   Then you can create a file reader from that other source like:
   ```
   let source = ThingThatImplementsParquetReader::new();
   let file_reader = SerializedFileReader::new(source);
   ...
   ```


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