Uses of Interface
org.apache.druid.query.groupby.epinephelinae.Grouper.BufferComparator

Packages that use Grouper.BufferComparator

Package	Description
org.apache.druid.query.groupby.epinephelinae
org.apache.druid.query.groupby.epinephelinae.column

Uses of Grouper.BufferComparator in org.apache.druid.query.groupby.epinephelinae

Methods in org.apache.druid.query.groupby.epinephelinae that return Grouper.BufferComparator

Modifier and Type	Method	Description
Grouper.BufferComparator	Grouper.KeySerde.bufferComparator()	Return an object that knows how to compare two serialized keys.
static Grouper.BufferComparator	GrouperBufferComparatorUtils.bufferComparator(boolean includeTimestamp, boolean sortByDimsFirst, int dimCount, Grouper.BufferComparator[] serdeHelperComparators)
Grouper.BufferComparator	Grouper.KeySerde.bufferComparatorWithAggregators(AggregatorFactory[] aggregatorFactories, int[] aggregatorOffsets)	When pushing down limits, it may also be necessary to compare aggregated values along with the key using the bufferComparator.
static Grouper.BufferComparator	GrouperBufferComparatorUtils.bufferComparatorWithAggregators(AggregatorFactory[] aggregatorFactories, int[] aggregatorOffsets, DefaultLimitSpec limitSpec, List<DimensionSpec> dimensions, Grouper.BufferComparator[] dimComparators, boolean includeTimestamp, boolean sortByDimsFirst, int keySize)
static Grouper.BufferComparator	GrouperBufferComparatorUtils.makeBufferComparatorForDouble(int keyBufferPosition, boolean pushLimitDown, StringComparator stringComparator)
static Grouper.BufferComparator	GrouperBufferComparatorUtils.makeBufferComparatorForFloat(int keyBufferPosition, boolean pushLimitDown, StringComparator stringComparator)
static Grouper.BufferComparator	GrouperBufferComparatorUtils.makeBufferComparatorForLong(int keyBufferPosition, boolean pushLimitDown, StringComparator stringComparator)
static Grouper.BufferComparator	GrouperBufferComparatorUtils.makeNullHandlingBufferComparatorForNumericData(int keyBufferPosition, Grouper.BufferComparator delegate)

Methods in org.apache.druid.query.groupby.epinephelinae with parameters of type Grouper.BufferComparator

Modifier and Type	Method	Description
static Grouper.BufferComparator	GrouperBufferComparatorUtils.bufferComparator(boolean includeTimestamp, boolean sortByDimsFirst, int dimCount, Grouper.BufferComparator[] serdeHelperComparators)
static Grouper.BufferComparator	GrouperBufferComparatorUtils.bufferComparatorWithAggregators(AggregatorFactory[] aggregatorFactories, int[] aggregatorOffsets, DefaultLimitSpec limitSpec, List<DimensionSpec> dimensions, Grouper.BufferComparator[] dimComparators, boolean includeTimestamp, boolean sortByDimsFirst, int keySize)
static Grouper.BufferComparator	GrouperBufferComparatorUtils.makeNullHandlingBufferComparatorForNumericData(int keyBufferPosition, Grouper.BufferComparator delegate)

Uses of Grouper.BufferComparator in org.apache.druid.query.groupby.epinephelinae.column

Methods in org.apache.druid.query.groupby.epinephelinae.column that return Grouper.BufferComparator

Modifier and Type	Method	Description
Grouper.BufferComparator	ArrayNumericGroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)
Grouper.BufferComparator	ArrayStringGroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)
Grouper.BufferComparator	DictionaryBuildingStringGroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)
Grouper.BufferComparator	DoubleGroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)
Grouper.BufferComparator	FloatGroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)
Grouper.BufferComparator	GroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)	Return BufferComparator for values written using this strategy when limit is pushed down to segment scan.
Grouper.BufferComparator	LongGroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)
Grouper.BufferComparator	NullableNumericGroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)
Grouper.BufferComparator	StringGroupByColumnSelectorStrategy.bufferComparator(int keyBufferPosition, StringComparator stringComparator)