yahoNanJing opened a new issue #1060:
URL: https://github.com/apache/arrow-datafusion/issues/1060


   ### Rationale for this change
   
   ---
   Currently, we can only read parquet files from local file system. It would 
be nice to add support to read parquet files that reside on HDFS.
   
   ### What changes are included in this PR?
   
   ---
   Introduce ``LocalParquetFileReader `` to get parquet ``ChunkReader`` for 
reading parquet files from local file system. 
   Introduce ``HadoopParquetFileReader `` to get parquet ``ChunkReader`` for 
reading parquet files from HDFS. 
   
   ### Are there any user-facing changes?
   
   ---
   Users can register a parquet table with a HDFS uri, like 
**"hdfs://localhost:9000/tmp/alltypes_plain.parquet"**.
   


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