asfimport commented on issue #42279:
URL: https://github.com/apache/arrow/issues/42279#issuecomment-2184204553

   [Deepak 
Majeti](https://issues.apache.org/jira/browse/PARQUET-438?#comment-15124111) / 
@majetideepak:
   I briefly went through the Impala decoders. I am not sure if they handle the 
parquet spec well.
   The current parquet spec requires a hybrid rle-bit-packed encoder decoder.
   The parquet-mr code has some necessary details
   
https://github.com/apache/parquet-mr/tree/6b605a4ea05b66e1a6bf843353abcb4834a4ced8/parquet-column/src/main/java/org/apache/parquet/column/values/rle
   


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