R-JunmingChen commented on PR #37418: URL: https://github.com/apache/arrow/pull/37418#issuecomment-1735769270
Hi, @pitrou, I don't get the point. From my understanding, `the DictionaryArray::Transpose` can be used to map original indices to new indices, and the new dictionary should be taken as input. Do you mean we compact dictionary by a way firstly and then use `DictionaryArray::Transpose` to map the indices? -- 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]
