org.apache.kylin.query.sqlfunc

Class HLLDistinctCountAggFunc

java.lang.Object

org.apache.kylin.query.sqlfunc.HLLDistinctCountAggFunc

public class HLLDistinctCountAggFunc
extends Object

Author:

xjiang

Constructor Summary

Constructors

Constructor and Description
HLLDistinctCountAggFunc()

Method Summary

Methods

Modifier and Type	Method and Description
static org.apache.kylin.common.hll.HyperLogLogPlusCounter	add(org.apache.kylin.common.hll.HyperLogLogPlusCounter counter, Object v)
static org.apache.kylin.common.hll.HyperLogLogPlusCounter	init()
static org.apache.kylin.common.hll.HyperLogLogPlusCounter	initAdd(Object v)
static org.apache.kylin.common.hll.HyperLogLogPlusCounter	merge(org.apache.kylin.common.hll.HyperLogLogPlusCounter counter0, Object counter1)
static long	result(org.apache.kylin.common.hll.HyperLogLogPlusCounter counter)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HLLDistinctCountAggFunc

public HLLDistinctCountAggFunc()

Method Detail

init

public static org.apache.kylin.common.hll.HyperLogLogPlusCounter init()

initAdd

public static org.apache.kylin.common.hll.HyperLogLogPlusCounter initAdd(Object v)

add

public static org.apache.kylin.common.hll.HyperLogLogPlusCounter add(org.apache.kylin.common.hll.HyperLogLogPlusCounter counter,
                                                     Object v)

merge

public static org.apache.kylin.common.hll.HyperLogLogPlusCounter merge(org.apache.kylin.common.hll.HyperLogLogPlusCounter counter0,
                                                       Object counter1)

result

public static long result(org.apache.kylin.common.hll.HyperLogLogPlusCounter counter)