Hi Wes, I could not understand about "IP lineage / transfer issues". Could you tell me the details?
I will try to conform to the rules of Parquet Community as much as possible. thank. 2018年12月13日(木) 0:38 Wes McKinney <[email protected]>: > > 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 -- 高橋 真之
