Re: Gandiva projector for dictionary array

2020-04-21 Thread Yue Ni
Thanks a lot Wes. I will give the arrow::compute::Cast API a try. BTW, although I don't have any working proposal yet, I wonder what format/process we typically follow for such a proposal? I assume I need to do some experiment locally and draft a email describing the proposal and send it to the de

Re: Gandiva projector for dictionary array

2020-04-21 Thread Wes McKinney
On Tue, Apr 21, 2020 at 6:34 AM Yue Ni wrote: > > Hi there, > > I am currently using gandiva C++ library doing projection/selection for > Arrow record batch, in my record batch, I have some fields encoded with > dictionary encoding, I wonder how I can apply gandiva functions for these > dictionary

Gandiva projector for dictionary array

2020-04-21 Thread Yue Ni
Hi there, I am currently using gandiva C++ library doing projection/selection for Arrow record batch, in my record batch, I have some fields encoded with dictionary encoding, I wonder how I can apply gandiva functions for these dictionary encoded fields. Currently, there is no gandiva function ha