kevinwilfong commented on PR #10697: URL: https://github.com/apache/incubator-gluten/pull/10697#issuecomment-3402866082
> Here’s what comes to mind. There are the below three strategies for column mapping: > > 1. Match by position > 2. Match by field name > 3. Match by unique permanent ID > > And I suppose Spark only supports (2) and (3) (seeing [facebookincubator/velox#6065 (comment)](https://github.com/facebookincubator/velox/discussions/6065#discussioncomment-6698452)), while Velox supports (1) and (2). Would you please clarify which is supported in this PR? @rui-mo This exposes Velox's support for (1) -- 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]
