org.apache.drill.exec.physical.resultSet.impl

Class NullResultVectorCacheImpl

java.lang.Object

org.apache.drill.exec.physical.resultSet.impl.NullResultVectorCacheImpl

All Implemented Interfaces:

ResultVectorCache

public class NullResultVectorCacheImpl
extends Object
implements ResultVectorCache

A vector cache implementation which does not actually cache.

Constructor Summary

Constructors

Constructor and Description
NullResultVectorCacheImpl(BufferAllocator allocator)

Method Summary

Modifier and Type	Method and Description
BufferAllocator	allocator()
ResultVectorCache	childCache(String colName)
TypeProtos.MajorType	getType(String name)
boolean	isPermissive()
ValueVector	vectorFor(MaterializedField colSchema)

Methods inherited from class java.lang.Object

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

Constructor Detail

NullResultVectorCacheImpl

public NullResultVectorCacheImpl(BufferAllocator allocator)

Method Detail

allocator

public BufferAllocator allocator()

Specified by:

allocator in interface ResultVectorCache

vectorFor

public ValueVector vectorFor(MaterializedField colSchema)

Specified by:

vectorFor in interface ResultVectorCache

getType

public TypeProtos.MajorType getType(String name)

Specified by:

getType in interface ResultVectorCache

isPermissive

public boolean isPermissive()

Specified by:

isPermissive in interface ResultVectorCache

childCache

public ResultVectorCache childCache(String colName)

Specified by:

childCache in interface ResultVectorCache