Add support of HDFS as remote object store#1062

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yahoNanJing wants to merge 3 commits intoapache:masterfrom

yahoNanJing:issue-1060

Commits on Sep 28, 2021

(#1060) Introduce LocalParquetFileReader to get parquet ChunkReader for reading parquet files from local file system
yangzhong
committed
(#1060) Introduce HadoopParquetFileReader to get parquet ChunkReader for reading parquet files from HDFS.
yangzhong
committed
(#1060) Add unit test for querying on parquet data on hdfs
yangzhong
committed