mapleFU opened a new issue, #15145: URL: https://github.com/apache/arrow/issues/15145
### Describe the enhancement requested In `DictEncoderImpl`, the encoding of it is fixed, which is `PLAIN_DICTIONARY`. In our standard, it should be `RLE_DICTIONARY` or `PLAIN_DICTIONARY`, and should be decide by parquet version. Though the final format maybe right, the temporary encoding might be trickey here. ### Component(s) C++, Parquet -- 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: issues-unsubscr...@arrow.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org