| Package | Description | 
|---|---|
| io.druid.hll | |
| io.druid.query.aggregation.cardinality | |
| io.druid.query.aggregation.cardinality.types | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
HLLCV0
Deprecated.  
 | 
class  | 
HLLCV1  | 
| Modifier and Type | Method and Description | 
|---|---|
HyperLogLogCollector | 
HyperLogLogCollector.fold(ByteBuffer buffer)  | 
HyperLogLogCollector | 
HyperLogLogCollector.fold(HyperLogLogCollector other)  | 
static HyperLogLogCollector | 
HyperLogLogCollector.makeCollector(ByteBuffer buffer)
Create a wrapper object around an HLL sketch contained within a buffer. 
 | 
static HyperLogLogCollector | 
HyperLogLogCollector.makeCollectorSharingStorage(HyperLogLogCollector otherCollector)
Creates new collector which shares others collector buffer (by using  
ByteBuffer.duplicate()) | 
static HyperLogLogCollector | 
HyperLogLogCollector.makeLatestCollector()  | 
| Modifier and Type | Method and Description | 
|---|---|
int | 
HyperLogLogCollector.compareTo(HyperLogLogCollector other)  | 
HyperLogLogCollector | 
HyperLogLogCollector.fold(HyperLogLogCollector other)  | 
static HyperLogLogCollector | 
HyperLogLogCollector.makeCollectorSharingStorage(HyperLogLogCollector otherCollector)
Creates new collector which shares others collector buffer (by using  
ByteBuffer.duplicate()) | 
| Modifier and Type | Method and Description | 
|---|---|
HyperLogLogCollector | 
HyperLogLogCollectorAggregateCombiner.getObject()  | 
| Modifier and Type | Method and Description | 
|---|---|
Class<HyperLogLogCollector> | 
HyperLogLogCollectorAggregateCombiner.classOfObject()  | 
| Modifier and Type | Method and Description | 
|---|---|
void | 
DoubleCardinalityAggregatorColumnSelectorStrategy.hashValues(BaseDoubleColumnValueSelector dimSelector,
          HyperLogLogCollector collector)  | 
void | 
FloatCardinalityAggregatorColumnSelectorStrategy.hashValues(BaseFloatColumnValueSelector selector,
          HyperLogLogCollector collector)  | 
void | 
LongCardinalityAggregatorColumnSelectorStrategy.hashValues(BaseLongColumnValueSelector dimSelector,
          HyperLogLogCollector collector)  | 
void | 
StringCardinalityAggregatorColumnSelectorStrategy.hashValues(DimensionSelector dimSelector,
          HyperLogLogCollector collector)  | 
void | 
CardinalityAggregatorColumnSelectorStrategy.hashValues(ValueSelectorType dimSelector,
          HyperLogLogCollector collector)
Retrieve the current row from dimSelector and add the row values to HyperLogLogCollector. 
 | 
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