I tried twice writing them but I didn't receive an answer.
But given that Apache Calcite is also using airlift/tpch in its
dependencies as well, I would like to add the TPC-H data generator to
"flink-contrib".
I would also add a note that TPC is a registered trademark and that our
generator is not the official generator and may not be used to generate
test data for performance measurement publications.


On Wed, Feb 11, 2015 at 3:02 PM, Stephan Ewen <se...@apache.org> wrote:

> I wrote them some time ago (like 12+ months) about the question whether we
> can include TPCH sample data for our programs. They replied they were just
> revising their license to allow that.
>
> Should be possible now. Good idea to ping them again to make sure that it
> is approved now and that it holds for code as well...
>
> On Wed, Feb 11, 2015 at 2:22 PM, Robert Metzger <rmetz...@apache.org>
> wrote:
>
> > Okay, thank you. I'll write a mail to tpc.org and ask which rules we
> have
> > to respect.
> >
> > On Wed, Feb 11, 2015 at 2:16 PM, Fabian Hueske <fhue...@gmail.com>
> wrote:
> >
> > > +1 for reaching out to the TPC.
> > >
> > > It might also be that it is OK to add the code but not under the name
> > > TPC-H.
> > >
> > > 2015-02-11 13:55 GMT+01:00 Ufuk Celebi <u...@apache.org>:
> > >
> > > > Nice, this is a great tool. :)
> > > >
> > > > On 09 Feb 2015, at 17:05, Robert Metzger <rmetz...@apache.org>
> wrote:
> > > >
> > > > > However, the website is not really helpful:
> > > > http://www.tpc.org/trademarks/
> > > > >
> > > > > As one data point, the Apache Calcite (incubating) project also
> > depends
> > > > on
> > > > > the mentioned airlift/tpch repository:
> > > > >
> > >
> https://github.com/apache/incubator-calcite/blob/master/plus/pom.xml#L57
> > > > > and
> > > > >
> > > >
> > >
> >
> https://github.com/apache/incubator-calcite/blob/master/plus/src/main/java/org/apache/calcite/adapter/tpch/TpchSchema.java#L33
> > > > > .
> > > > >
> > > > > How about adding a line to the NOTICE files acknowledging that TPC
> > is a
> > > > > registered trademark of the transaction processing council?
> > > >
> > > > I find it reasonable to add it to the NOTICE files as an
> > acknowledgement.
> > > >
> > > > The trademark website says "For additional details please contact
> > > > ad...@tpc.org." If we want to be on the safe side, we could write an
> > > > email and confirm.
> > > >
> > > > Any further opinions on this?
> > > >
> > > > – Ufuk
> > >
> >
>

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