org.apache.hadoop.hive.ql.exec

Class DataSketchesFunctions

java.lang.Object

org.apache.hadoop.hive.ql.exec.DataSketchesFunctions

All Implemented Interfaces:

HiveUDFPlugin

public final class DataSketchesFunctions
extends Object
implements HiveUDFPlugin

Registers functions from the DataSketches library as builtin functions. In an effort to show a more consistent

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hive.plugin.api.HiveUDFPlugin

HiveUDFPlugin.UDFDescriptor

Field Summary

Fields

Modifier and Type	Field and Description
static String	DATA_TO_SKETCH
static String	GET_CDF
static String	GET_N
static String	GET_QUANTILE
static String	GET_RANK
static DataSketchesFunctions	INSTANCE
static String	SKETCH_TO_ESTIMATE

Method Summary

Modifier and Type	Method and Description
Iterable<HiveUDFPlugin.UDFDescriptor>	getDescriptors()
org.apache.hadoop.hive.ql.exec.DataSketchesFunctions.SketchFunctionDescriptor	getSketchFunction(String className, String function)

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final DataSketchesFunctions INSTANCE

DATA_TO_SKETCH

public static final String DATA_TO_SKETCH

See Also:

Constant Field Values

SKETCH_TO_ESTIMATE

public static final String SKETCH_TO_ESTIMATE

See Also:

Constant Field Values

GET_N

public static final String GET_N

See Also:

Constant Field Values

GET_CDF

public static final String GET_CDF

See Also:

Constant Field Values

GET_QUANTILE

public static final String GET_QUANTILE

See Also:

Constant Field Values

GET_RANK

public static final String GET_RANK

See Also:

Constant Field Values

Method Detail

getDescriptors

public Iterable<HiveUDFPlugin.UDFDescriptor> getDescriptors()

Specified by:

getDescriptors in interface HiveUDFPlugin

getSketchFunction

public org.apache.hadoop.hive.ql.exec.DataSketchesFunctions.SketchFunctionDescriptor getSketchFunction(String className,
                                                                                                       String function)