org.apache.druid.query.aggregation.first

Class StringFirstFoldingAggregatorFactory

java.lang.Object

org.apache.druid.query.aggregation.AggregatorFactory

org.apache.druid.query.aggregation.first.StringFirstAggregatorFactory

org.apache.druid.query.aggregation.first.StringFirstFoldingAggregatorFactory

All Implemented Interfaces:

Cacheable

public class StringFirstFoldingAggregatorFactory
extends StringFirstAggregatorFactory

For backwards compatibility; equivalent to a regular StringFirstAggregatorFactory.

Field Summary

Fields inherited from class org.apache.druid.query.aggregation.first.StringFirstAggregatorFactory

DEFAULT_MAX_STRING_SIZE, maxStringBytes, TIME_COMPARATOR, VALUE_COMPARATOR

Constructor Summary

Constructors

Constructor and Description
StringFirstFoldingAggregatorFactory(String name, String fieldName, Integer maxStringBytes)

Method Summary

Methods inherited from class org.apache.druid.query.aggregation.first.StringFirstAggregatorFactory

combine, deserialize, equals, factorize, factorizeBuffered, finalizeComputation, getCacheKey, getCombiningFactory, getComparator, getFieldName, getMaxIntermediateSize, getMaxStringBytes, getName, getRequiredColumns, getTypeName, hashCode, makeAggregateCombiner, requiredFields, toString

Methods inherited from class org.apache.druid.query.aggregation.AggregatorFactory

canVectorize, factorizeVector, getMaxIntermediateSizeWithNulls, getMergingFactory, makeNullableAggregateCombiner, mergeAggregators, optimizeForSegment

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

StringFirstFoldingAggregatorFactory

public StringFirstFoldingAggregatorFactory(String name,
                                           String fieldName,
                                           Integer maxStringBytes)