Interface | Description |
---|---|
BitMapFactory |
Class | Description |
---|---|
ConciseBitMapFactory | |
DistinctCountAggregator | |
DistinctCountAggregatorFactory | |
DistinctCountBufferAggregator | |
DistinctCountDruidModule | |
EmptyDistinctCountAggregator | |
EmptyDistinctCountBufferAggregator |
The difference from
NoopBufferAggregator is that
EmptyDistinctCountBufferAggregator returns 0 instead of null from EmptyDistinctCountBufferAggregator.get(ByteBuffer, int) . |
JavaBitMapFactory | |
RoaringBitMapFactory |
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