jychen7 commented on issue #5547: URL: https://github.com/apache/arrow-datafusion/issues/5547#issuecomment-1465043866
I am not sure how it may inspire Datafusion yet, just for reference, there are two improvements in DuckDB about parallelize `distinct` - without groupby, https://github.com/duckdb/duckdb/pull/4327 - with groupby, https://github.com/duckdb/duckdb/pull/5146 I am going to read history of hash aggregation in Datafusion this week first -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
