codope commented on code in PR #10352: URL: https://github.com/apache/hudi/pull/10352#discussion_r1499587728
########## hudi-common/src/main/java/org/apache/hudi/common/util/BaseFileUtils.java: ########## @@ -67,6 +70,50 @@ public static BaseFileUtils getInstance(HoodieFileFormat fileFormat) { throw new UnsupportedOperationException(fileFormat.name() + " format not supported yet."); } + /** + * Aggregate column range statistics across files in a partition. + * + * @param fileRanges List of column range statistics for each file in a partition + */ + public static <T extends Comparable<T>> HoodieColumnRangeMetadata<T> getColumnRangeInPartition(@Nonnull List<HoodieColumnRangeMetadata<T>> fileRanges) { + if (fileRanges.size() == 1) { + // Only one parquet file, we can just return that range. + return fileRanges.get(0); + } + // There are multiple files. Compute min(file_mins) and max(file_maxs) + return fileRanges.stream() + .sequential() + .reduce(BaseFileUtils::mergeRanges).get(); Review Comment: yea, apologies, current logic is incorrect. i'm going to fix it. -- 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: commits-unsubscr...@hudi.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org