gszadovszky commented on code in PR #1173: URL: https://github.com/apache/parquet-mr/pull/1173#discussion_r1361845354
########## parquet-column/src/main/java/org/apache/parquet/internal/column/columnindex/ColumnIndexBuilder.java: ########## @@ -543,6 +546,11 @@ public static ColumnIndex build( * the statistics to be added */ public void add(Statistics<?> stats) { + if (stats.isEmpty()) { Review Comment: I am not sure how column index writing worked for the "rewriter". This rewriting thing is newer than the column index. In the normal writing scenario `stats` cannot be empty since we are just creating these objects during the write path. -- 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: dev-unsubscr...@parquet.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org