org.apache.drill.exec.expr.fn.impl

Class ValueVectorHashHelper

java.lang.Object

org.apache.drill.exec.expr.fn.impl.ValueVectorHashHelper

public class ValueVectorHashHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ValueVectorHashHelper.Hash64
static class	ValueVectorHashHelper.Hash64Template

Constructor Summary

Constructors

Constructor and Description
ValueVectorHashHelper(RecordBatch recordBatch, FragmentContext context)

Method Summary

Modifier and Type	Method and Description
ValueVectorHashHelper.Hash64	getHash64(LogicalExpression[] hashFieldsExp, TypedFieldId[] hashFieldIds)

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueVectorHashHelper

public ValueVectorHashHelper(RecordBatch recordBatch,
                             FragmentContext context)

Method Detail

getHash64

public ValueVectorHashHelper.Hash64 getHash64(LogicalExpression[] hashFieldsExp,
                                              TypedFieldId[] hashFieldIds)
                                       throws ClassTransformationException,
                                              IOException,
                                              SchemaChangeException

Throws:

ClassTransformationException

IOException

SchemaChangeException