org.apache.spark.sql.hive

Class HiveGenericUdaf

Object

org.apache.spark.sql.catalyst.trees.TreeNode<org.apache.spark.sql.catalyst.expressions.Expression>

org.apache.spark.sql.catalyst.expressions.Expression

org.apache.spark.sql.catalyst.expressions.AggregateExpression

org.apache.spark.sql.hive.HiveGenericUdaf

All Implemented Interfaces:

java.io.Serializable, HiveInspectors, scala.Equals, scala.Product

public class HiveGenericUdaf
extends org.apache.spark.sql.catalyst.expressions.AggregateExpression
implements HiveInspectors, scala.Product, scala.Serializable

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.spark.sql.hive.HiveInspectors

HiveInspectors.typeInfoConversions

Constructor Summary

Constructors

Constructor and Description
HiveGenericUdaf(HiveFunctionWrapper funcWrapper, scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.Expression> children)

Method Summary

Methods

Modifier and Type	Method and Description
scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.Expression>	children()
org.apache.spark.sql.catalyst.types.DataType	dataType()
HiveFunctionWrapper	funcWrapper()
HiveUdafFunction	newInstance()
boolean	nullable()
String	toString()

Methods inherited from class org.apache.spark.sql.catalyst.expressions.AggregateExpression

eval, eval$default$1

Methods inherited from class org.apache.spark.sql.catalyst.expressions.Expression

c2, childrenResolved, f1, f2, foldable, i1, i2, n1, n2, references, resolved

Methods inherited from class org.apache.spark.sql.catalyst.trees.TreeNode

apply, argString, asCode, collect, fastEquals, flatMap, foreach, generateTreeString, getNodeNumbered, makeCopy, map, mapChildren, nodeName, numberedTreeString, otherCopyArgs, simpleString, stringArgs, transform, transformChildrenDown, transformChildrenUp, transformDown, transformUp, treeString, withNewChildren

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.spark.sql.hive.HiveInspectors

inspectorToDataType, javaClassToDataType, toInspector, toInspector, unwrap, wrap, wrap, wrapperFor

Methods inherited from interface scala.Product

productArity, productElement, productIterator, productPrefix

Methods inherited from interface scala.Equals

canEqual, equals

Constructor Detail

HiveGenericUdaf

public HiveGenericUdaf(HiveFunctionWrapper funcWrapper,
               scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.Expression> children)

Method Detail

funcWrapper

public HiveFunctionWrapper funcWrapper()

children

public scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.Expression> children()

Specified by:

children in class org.apache.spark.sql.catalyst.trees.TreeNode<org.apache.spark.sql.catalyst.expressions.Expression>

dataType

public org.apache.spark.sql.catalyst.types.DataType dataType()

Specified by:

dataType in class org.apache.spark.sql.catalyst.expressions.Expression

nullable

public boolean nullable()

Specified by:

nullable in class org.apache.spark.sql.catalyst.expressions.Expression

toString

public String toString()

Overrides:

toString in class org.apache.spark.sql.catalyst.trees.TreeNode<org.apache.spark.sql.catalyst.expressions.Expression>

newInstance

public HiveUdafFunction newInstance()

Specified by:

newInstance in class org.apache.spark.sql.catalyst.expressions.AggregateExpression