[GitHub] [arrow] wgtmac commented on issue #35638: Process parquet rowgroups without Arrow conversion

["wgtmac (via GitHub)" <gi...@apache.org>]

wgtmac commented on issue #35638:
URL: https://github.com/apache/arrow/issues/35638#issuecomment-1585589807

   I did similar work in the parquet-mr repo to merge row groups of different parquet files without decompression and decoding into a single parquet file (with some supported transformation like re-compression, encryption or dropping columns).   
   
   https://github.com/apache/parquet-mr/blob/master/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/rewrite/ParquetRewriter.java
   
   Is that what you suppose to have in the parquet-cpp? @alippai 


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