add sessiondataset.has_next_df and .next_df to python api from 2082#996

leto-b wants to merge 2 commits intoapache:mainapache/iotdb-docs:mainfrom

leto-b:add-has-next-df-and-next-df-to-python-api-2082leto-b/iotdb-docs:add-has-next-df-and-next-df-to-python-api-2082Copy head branch name to clipboard