Package | Description |
---|---|
org.apache.hadoop.hive.contrib.udaf.example | |
org.apache.hadoop.hive.ql.exec |
Hive QL execution tasks, operators, functions and other handlers.
|
org.apache.hadoop.hive.ql.udf | |
org.apache.hadoop.hive.ql.udf.generic |
Standard toolkit and framework for generic User-defined functions.
|
Modifier and Type | Class and Description |
---|---|
class |
UDAFExampleAvg
This is a simple UDAF that calculates average.
|
class |
UDAFExampleGroupConcat
This is a simple UDAF that concatenates all arguments from different rows
into a single string.
|
class |
UDAFExampleMax |
class |
UDAFExampleMaxN
Returns the max N double values.
|
class |
UDAFExampleMin |
class |
UDAFExampleMinN
Returns the min N double values.
|
Modifier and Type | Class and Description |
---|---|
class |
NumericUDAF
Base class of numeric UDAFs like sum and avg which need a
NumericUDAFEvaluatorResolver.
|
Modifier and Type | Method and Description |
---|---|
FunctionInfo |
Registry.registerUDAF(String functionName,
Class<? extends UDAF> udafClass,
FunctionInfo.FunctionResource... resources) |
Constructor and Description |
---|
DefaultUDAFEvaluatorResolver(Class<? extends UDAF> udafClass)
Constructor.
|
NumericUDAFEvaluatorResolver(Class<? extends UDAF> udafClass)
Constructor.
|
Modifier and Type | Class and Description |
---|---|
class |
UDAFPercentile
UDAF for calculating the percentile values.
|
class |
UDAFWrongArgLengthForTestCase
UDAFWrongArgLengthForTestCase.
|
Modifier and Type | Method and Description |
---|---|
Class<? extends UDAF> |
GenericUDAFBridge.getUDAFClass() |
Constructor and Description |
---|
GenericUDAFBridge(UDAF udaf) |
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