Yes, I figured it out already by seeing "undefined reference". Do you know if there is any way to build Arrow in a way that testing is part of the library? For some reason, in the installation directory I see random.h but when I inspect libarrow.a with nm I don't see definitions of the functions.
On Tue, Jun 23, 2020 at 5:44 PM Francois Saint-Jacques <fsaintjacq...@gmail.com> wrote: > > It doesn't support it yet, but you can probably trivially add a method > for it. Time (timestamp, interval) types might require more changes > since the type factories are not always parameter-less. A small note, > this functionality (random generation) is part of the testing shared > library. AFAIK this is _not_ exported in the binary packages. > > Regards, > François > > On Tue, Jun 23, 2020 at 11:33 AM Kirill Lykov <lykov.kir...@gmail.com> wrote: > > > > Yeah, I wrote some code which does the thing (cannot use the latest > > arrow version so far). The only missing feature is Date32/Date64. > > Are they supported as part of ArrayOf or not implemented because it > > might be possible (guess) to convert uint32 to Date32 for example? > > > > On Mon, Jun 22, 2020 at 7:31 PM Wes McKinney <wesmck...@gmail.com> wrote: > > > > > > I think you can pretty easily use the new > > > `RandomArrayGenerator::ArrayOf` function to generate a random > > > RecordBatch given a schema and length. > > > > > > On Mon, Jun 22, 2020 at 10:52 AM Kirill Lykov <lykov.kir...@gmail.com> > > > wrote: > > > > > > > > Thanks for the reply. > > > > I saw an Array generator and decided to ask if there is already > > > > something like RandomTableGenerator before implementing myself one > > > > using RandomArrayGenerator. > > > > > > > > On Mon, Jun 22, 2020 at 4:49 PM Francois Saint-Jacques > > > > <fsaintjacq...@gmail.com> wrote: > > > > > > > > > > Hello, > > > > > > > > > > We use this extensively in unit tests, see [1] > > > > > > > > > > François > > > > > [1] > > > > > https://github.com/apache/arrow/blob/master/cpp/src/arrow/testing/random.h > > > > > > > > > > On Mon, Jun 22, 2020 at 9:51 AM Kirill Lykov <lykov.kir...@gmail.com> > > > > > wrote: > > > > > > > > > > > > Hi, > > > > > > > > > > > > I wonder if there is existing C++ code which allows to generate a > > > > > > random arrow table by given metadata. Maybe, it is not part of the > > > > > > arrow library but someone wrote such a builder. I want to use it for > > > > > > benchmarking purposes (using google benchmark). > > > > > > > > > > > > -- > > > > > > Best regards, > > > > > > Kirill Lykov, > > > > > > personal page: http://kirilllykov.github.com/blog/about/ > > > > > > tel.: +41 765 27 6229 > > > > > > > > > > > > > > > > -- > > > > Best regards, > > > > Kirill Lykov > > > > > > > > -- > > Best regards, > > Kirill Lykov -- Best regards, Kirill Lykov
