snleee commented on a change in pull request #4051: Fix the race condition for
real-time inverted index reader
URL: https://github.com/apache/incubator-pinot/pull/4051#discussion_r271129476
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File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/filter/BitmapBasedFilterOperator.java
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@@ -78,27 +76,14 @@ protected FilterBlock getNextBlock() {
int[] dictIds = _exclusive ? _predicateEvaluator.getNonMatchingDictIds() :
_predicateEvaluator.getMatchingDictIds();
- // For realtime use case, it is possible that inverted index has not yet
generated for the given dict id, so we
- // filter out null bitmaps
InvertedIndexReader invertedIndex = _dataSource.getInvertedIndex();
int length = dictIds.length;
- List<ImmutableRoaringBitmap> bitmaps = new ArrayList<>(length);
- for (int dictId : dictIds) {
- ImmutableRoaringBitmap bitmap = (ImmutableRoaringBitmap)
invertedIndex.getDocIds(dictId);
- if (bitmap != null) {
- bitmaps.add(bitmap);
- }
+ ImmutableRoaringBitmap[] bitmaps = new ImmutableRoaringBitmap[length];
Review comment:
+1 for this change..
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