tarun11Mavani commented on code in PR #16344:
URL: https://github.com/apache/pinot/pull/16344#discussion_r2285112555
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/realtime/converter/stats/RealtimeSegmentStatsContainer.java:
##########
@@ -38,28 +36,59 @@
public class RealtimeSegmentStatsContainer implements
SegmentPreIndexStatsContainer {
private final MutableSegment _mutableSegment;
private final Map<String, ColumnStatistics> _columnStatisticsMap = new
HashMap<>();
+ private final int _totalDocCount;
- public RealtimeSegmentStatsContainer(MutableSegment mutableSegment,
@Nullable int[] sortedDocIds,
+ public RealtimeSegmentStatsContainer(MutableSegment mutableSegment, int[]
sortedDocIds,
StatsCollectorConfig statsCollectorConfig) {
+ this(mutableSegment, sortedDocIds, statsCollectorConfig, null);
+ }
+
+ public RealtimeSegmentStatsContainer(MutableSegment mutableSegment, int[]
sortedDocIds,
+ StatsCollectorConfig statsCollectorConfig, RecordReader recordReader) {
_mutableSegment = mutableSegment;
+ // Determine if we're using compacted reader
+ boolean isUsingCompactedReader = recordReader instanceof
CompactedPinotSegmentRecordReader;
+
+ // Determine the correct total document count based on whether compaction
is being used
+ if (isUsingCompactedReader) {
+ // When using CompactedPinotSegmentRecordReader, use the valid document
count
+ if (mutableSegment.getValidDocIds() != null) {
+ _totalDocCount =
mutableSegment.getValidDocIds().getMutableRoaringBitmap().getCardinality();
+ } else {
+ _totalDocCount = mutableSegment.getNumDocsIndexed();
+ }
+ } else {
+ // Use the original total document count for non-compacted readers
+ _totalDocCount = mutableSegment.getNumDocsIndexed();
+ }
+
// Create all column statistics
+ // Determine compaction mode once for all columns
+ boolean useCompactedStatistics = isUsingCompactedReader &&
mutableSegment.getValidDocIds() != null;
+ ThreadSafeMutableRoaringBitmap validDocIds = useCompactedStatistics ?
mutableSegment.getValidDocIds() : null;
+
for (String columnName : mutableSegment.getPhysicalColumnNames()) {
DataSource dataSource = mutableSegment.getDataSource(columnName);
- if (dataSource instanceof MutableMapDataSource) {
- ForwardIndexReader reader = dataSource.getForwardIndex();
- MapColumnPreIndexStatsCollector mapColumnPreIndexStatsCollector =
Review Comment:
Good catch. I have added logic to handle MutableMapDataSource as well.
Working on an IT to validate the same.
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