I want convert a sql query like SELECT * FROM df WHERE id IN (SELECT id FROM an_df) into dask equivalent. So, I am trying this: d=df[df['id'].isin(an_df['id'])] But it is thorwing NotImplementedError: passing a 'dask.datframe.core.DataFrame' to'isin' Then I converted this an_df['id'] to list like d=df[df['id'].isin(list(an_df['id']))] or d=df[df['id'].isin(an_df['id'].compute())] but this is very time consuming. I want a solution that works as fast as dask. df has approximately 100 million rows. Continue reading...