Hello Pinot-dev, This is Qiaochu Liu from Uber, I work with Yupeng, Ting on Pinot partial upsert related features <https://github.com/apache/incubator-pinot/issues/6575>.
Below is the initial design <https://docs.google.com/document/d/1qrTD7x23FlPrAUVIFbWs6GSBtTsztWhWgis-xr1lGMs/edit?pli=1#heading=h.1m2ny9mqjvav> for partial upsert, please feel free to review and comment. We will appreciate your input to enhance the design! Thanks, Qiaochu
