I have created the JIRA. https://issues.apache.org/jira/browse/PARQUET-1479
2018年12月14日(金) 0:44 Masayuki Takahashi <[email protected]>: > > Hi Ryan, > > Which part do you want to discuss? May I create JIRA for? > > thanks. > 2018年12月13日(木) 3:28 Ryan Blue <[email protected]>: > > > > We've had a lot of discussion about this in the Iceberg community as well, > > since Parquet to Arrow is going to be the easiest path to vectorized reads > > for Spark. It would be great to have people working on it! > > > > On Wed, Dec 12, 2018 at 7:38 AM Wes McKinney <[email protected]> wrote: > > > > > hi Masayuki -- this is great to hear. Since this software was not > > > developed in the Apache Parquet community we may need to careful about > > > IP lineage / transfer issues if you do open a pull request. > > > > > > - Wes > > > On Wed, Dec 12, 2018 at 9:23 AM Masayuki Takahashi > > > <[email protected]> wrote: > > > > > > > > Hi, > > > > > > > > I am developing the simple converter from Parquet to Arrow. > > > > > > > > https://github.com/masayuki038/parquet-to-arrow > > > > > > > > If anyone have not started yet, may I create the JIRA and pull request > > > > about the converter from parquet to arrow? > > > > > > > > I would like to develop the converter from Arrow to Parquet and some > > > > features(like Dremio implementation). > > > > > > > > thanks. > > > > > > > > > > > > 2018年12月12日(水) 23:49 Wes McKinney <[email protected]>: > > > > > > > > > > hi Yurui, > > > > > > > > > > It has been discussed in the last 3 years, but I haven't seen anyone > > > > > step up to begin to work on this yet. Having vectorized Arrow read and > > > > > write in a reusable Java library would be very useful (it has proven > > > > > popular in C++). We welcome your contributions. > > > > > > > > > > - Wes > > > > > On Tue, Dec 11, 2018 at 9:34 PM Yurui Zhou <[email protected]> > > > wrote: > > > > > > > > > > > > Hello > > > > > > > > > > > > I just learned arrow now provided a native reader/writer > > > implementation on C++ to allow user directly read parquet file into Arrow > > > Buffer and Write to parquet file from arrow buffer. > > > > > > > > > > > > I am wondering is there any plan on making the same support on the > > > Java side? > > > > > > > > > > > > I found an implementation on dremio codebase that provide the arrow > > > support mentioned above. > > > https://github.com/dremio/dremio-oss/tree/master/sabot/kernel/src/main/java/com/dremio/exec/store/parquet > > > > > > > > > > > > Does the parquet community or arrow community have any plan to > > > integrate this into the parquet codebase or implement a new version from > > > scratch? > > > > > > > > > > > > Thanks > > > > > > Yurui > > > > > > > > > > > > > > > > -- > > > > 高橋 真之 > > > > > > > > > -- > > Ryan Blue > > Software Engineer > > Netflix > > > > -- > 高橋 真之 -- 高橋 真之
