tustvold commented on issue #2581: URL: https://github.com/apache/arrow-datafusion/issues/2581#issuecomment-1136757045
At least in the case of arrow and parquet, list element pushdown is more of a filter than a cheap projection - it requires rewriting the buffers. Perhaps we could do the common case as described here, and potentially add list projection as an extension once we have workloads that stand to benefit?? -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
