Thanks Julien and Wes. There is an ongoing PR (update Arrow version to 0.8.0) 
which I may be depending on. Should I wait for this? 


-----Original Message-----
From: Julien Le Dem [] 
Sent: Tuesday, March 6, 2018 5:27 PM
Subject: Re: Parquet to arrow java converter

I would put in the parquet-mr codebase. I have contributed the schéma 
conversion code there. I’m happy to provide feedback on PRs in this area. 


> On Mar 6, 2018, at 12:18, Wes McKinney <> wrote:
> When it had been discussed in the past, the thinking had been to 
> implement it in the Parquet Java codebase. I'd be interested in 
> others' opinions about this (since I'm not an expert on Java matters)
> - Wes
>> On Tue, Mar 6, 2018 at 2:27 PM, Wenbo Zhao <> wrote:
>> Hi,
>> Sorry that if someone may have asked the same question before. We are 
>> interested in providing a java convertor from Parquet to Arrow. Should I 
>> implement this converter in Parquet-mr/Parquet-arrow or under the Arrow 
>> project? I have the feeling that putting the implementation in 
>> Parquet-mr/Parquet-arrow would be preferable 
>> Thanks,
>> Wenbo

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