org.apache.drill.exec.physical.rowSet

Class DirectRowSet

java.lang.Object

org.apache.drill.exec.physical.rowSet.AbstractRowSet

org.apache.drill.exec.physical.rowSet.AbstractSingleRowSet

org.apache.drill.exec.physical.rowSet.DirectRowSet

All Implemented Interfaces:

RowSet, RowSet.ExtendableRowSet, RowSet.SingleRowSet

public class DirectRowSet
extends AbstractSingleRowSet
implements RowSet.ExtendableRowSet

Implementation of a single row set with no indirection (selection) vector.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DirectRowSet.RowSetWriterBuilder

Nested classes/interfaces inherited from interface org.apache.drill.exec.physical.rowSet.RowSet

RowSet.ExtendableRowSet, RowSet.HyperRowSet, RowSet.HyperRowSetBuilder, RowSet.SingleRowSet

Field Summary

Fields

Modifier and Type	Field and Description
static int	INITIAL_ROW_COUNT Initial row count, used for preliminary memory allocation.

Fields inherited from class org.apache.drill.exec.physical.rowSet.AbstractRowSet

container, schema

Constructor Summary

Constructors

Constructor and Description
DirectRowSet(AbstractSingleRowSet from)

Method Summary

Modifier and Type	Method and Description
void	allocate(int rowCount)
static DirectRowSet	fromContainer(VectorContainer container)
static DirectRowSet	fromSchema(BufferAllocator allocator, BatchSchema schema)
static DirectRowSet	fromSchema(BufferAllocator allocator, TupleMetadata schema)
static DirectRowSet	fromVectorAccessible(BufferAllocator allocator, VectorAccessible va)
SelectionVector2	getSv2()
BatchSchema.SelectionVectorMode	indirectionType()
boolean	isExtendable()
boolean	isWritable()
RowSetReader	reader()
RowSet.SingleRowSet	toIndirect()
RowSet.SingleRowSet	toIndirect(Set<Integer> skipIndices)
RowSetWriter	writer()
RowSetWriter	writer(int initialRowCount)

Methods inherited from class org.apache.drill.exec.physical.rowSet.AbstractSingleRowSet

buildReader, size

Methods inherited from class org.apache.drill.exec.physical.rowSet.AbstractRowSet

allocator, batchSchema, clear, container, print, rowCount, schema, toString, vectorAccessible

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.drill.exec.physical.rowSet.RowSet

allocator, batchSchema, clear, container, print, rowCount, schema, size, vectorAccessible

Field Detail

INITIAL_ROW_COUNT

public static final int INITIAL_ROW_COUNT

Initial row count, used for preliminary memory allocation.

See Also:

Constant Field Values

Constructor Detail

DirectRowSet

public DirectRowSet(AbstractSingleRowSet from)

Method Detail

fromSchema

public static DirectRowSet fromSchema(BufferAllocator allocator,
                                      BatchSchema schema)

fromSchema

public static DirectRowSet fromSchema(BufferAllocator allocator,
                                      TupleMetadata schema)

fromContainer

public static DirectRowSet fromContainer(VectorContainer container)

fromVectorAccessible

public static DirectRowSet fromVectorAccessible(BufferAllocator allocator,
                                                VectorAccessible va)

allocate

public void allocate(int rowCount)

Specified by:

allocate in interface RowSet.ExtendableRowSet

writer

public RowSetWriter writer()

Specified by:

writer in interface RowSet.ExtendableRowSet

writer

public RowSetWriter writer(int initialRowCount)

Specified by:

writer in interface RowSet.ExtendableRowSet

reader

public RowSetReader reader()

Specified by:

reader in interface RowSet

isExtendable

public boolean isExtendable()

Specified by:

isExtendable in interface RowSet

isWritable

public boolean isWritable()

Specified by:

isWritable in interface RowSet

indirectionType

public BatchSchema.SelectionVectorMode indirectionType()

Specified by:

indirectionType in interface RowSet

toIndirect

public RowSet.SingleRowSet toIndirect()

Specified by:

toIndirect in interface RowSet.SingleRowSet

toIndirect

public RowSet.SingleRowSet toIndirect(Set<Integer> skipIndices)

Specified by:

toIndirect in interface RowSet.SingleRowSet

getSv2

public SelectionVector2 getSv2()

Specified by:

getSv2 in interface RowSet.SingleRowSet