2010YOUY01 opened a new issue, #17789: URL: https://github.com/apache/datafusion/issues/17789
### Is your feature request related to a problem or challenge? ### Reproducer 1. Generate dataset with https://github.com/clflushopt/tpchgen-rs/tree/main/tpchgen-cli 2. In `datafusion-cli` ```sh DataFusion CLI v50.0.0 > CREATE EXTERNAL TABLE partsupp STORED AS PARQUET LOCATION '/Users/yongting/Code/datafusion-sqlstorm/data/partsupp.parquet'; > select ps_partkey, string_agg(ps_comment, ';') from partsupp group by ps_partkey; ... 20000 row(s) fetched. (First 40 displayed. Use --maxrows to adjust) Elapsed 53.737 seconds. ``` Also the memory usage is quite high. DuckDB finishes in 0.03s ### Describe the solution you'd like _No response_ ### Describe alternatives you've considered _No response_ ### Additional context Found by SQLStorm https://github.com/apache/datafusion/issues/17698 -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
