Thanks Robert and Kenn for your comments.
"Custom window merging" may be an improper term.
Let me add a bit of context to explain: while coding for Nexmark port
(https://github.com/apache/beam/pull/3114) and in particular for Query9,
a use case arose: even if it could have been i
t'd probably be better for these to be executed
> in
> > the SDK context).
> >
> > On Wed, Jul 26, 2017 at 9:16 PM, Kenneth Knowles <k...@google.com.invalid
> >
> > wrote:
> >
> > > Hi Etienne,
> > >
> > > Every WindowFn is a UDF, so ther
in
addition to timestamps).
As new runners are coming, I wanted to let you know that there is also a
new category tag UsesCustomWindowMerging that you can use to skip these
tests while running ValidatesRunner tests on runners that do not support
custom window merging yet.
Besides, there is also
