rizaon commented on pull request #990: URL: https://github.com/apache/orc/pull/990#issuecomment-1007867103
I came to a realization that in order to avoid List materialization, it is sufficient to unselect its children Type in ColumnSelector. ListColumnReader will skip creating childReader and won't read the elements altogether. The latest patch changes the focus into resolving the selectedColumns for a given a readIntents map. -- 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: dev-unsubscr...@orc.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org