jeesou commented on code in PR #11035: URL: https://github.com/apache/iceberg/pull/11035#discussion_r1802349064
########## spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/source/TestSparkScan.java: ########## @@ -911,9 +1027,17 @@ private void checkColStatisticsReported( assertThat(stats.numRows().getAsLong()).isEqualTo(expectedRowCount); Map<NamedReference, ColumnStatistics> columnStats = stats.columnStats(); - for (Map.Entry<String, Long> entry : expectedNDVs.entrySet()) { - assertThat(columnStats.get(FieldReference.column(entry.getKey())).distinctCount().getAsLong()) - .isEqualTo(entry.getValue()); + if (expectedNDVs.isEmpty()) { + assertThat( + columnStats.isEmpty() + || columnStats.values().iterator().next().distinctCount().isEmpty()) Review Comment: Hi @RussellSpitzer the check will not work like this, if we do columnStats.values().distinctCount, it will give error as "Cannot resolve method 'distinctCount' in 'Collection'" -- 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...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org