Apache Arrow is a cross-language, cross-platform, columnar data format that used in the field of data analytics, database, etc. An Apache Arrow like format “data-frame” is defined and employed in Vitis library.
This document firstly introduces the data-frame format and the difference between data frame and Apache Arrow. Thereafter, the structure of WriteToDataFrame() implementation is explained. WriteToDataFrame() reads in parsed data from JSON parser etc., re-format the data according to different data type, and save the data in data-frame format.