2010YOUY01 commented on issue #19487: URL: https://github.com/apache/datafusion/issues/19487#issuecomment-3752767918
> With a _very_ brief search, I wasn't able to find if datafusion regularly computes statistics for batches (are batches and micro partitions 1-1?) or if there is a default algorithm for various non-numeric data types. > > Is that available somewhere? Micro-partition refer to prunable units like parquet file / parquet row groups, this term is used by the Snowflake paper in section 5 Stat is not available for `RecordBatch` now, but this is in my wish list to unlock various optimizations. -- 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]
