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I create a recipe by Python to read data from postgres database. To avoid read old data many times, I create a history table and store like dataset. So in the code I read the history before run the query.
run_history = dataiku.Dataset("history_run_working_details")
run_history_df = run_history.get_dataframe()
The problem that the history is empty in the first running. How can I handle this exception? (currently I temporary upload a history csv file before run the first time)