Package se.kuseman.payloadbuilder.api.execution.vector

Class SelectedTupleVector

java.lang.Object

se.kuseman.payloadbuilder.api.execution.vector.SelectedTupleVector

All Implemented Interfaces:

TupleVector

public class SelectedTupleVector
extends Object
implements TupleVector

Tuple vector that wraps an existing tuple vector along with a selection to only return specific rows.

Field Summary

Fields inherited from interface se.kuseman.payloadbuilder.api.execution.TupleVector

CONSTANT, EMPTY

Method Summary

Modifier and Type	Method	Description
ValueVector	getColumn(int column)	Return vector for provided column.
int	getRowCount()
Schema	getSchema()	Return the actual schema from the vector.
static TupleVector	select(TupleVector vector, ValueVector selection)	Create a selected tuple vector from provided source and selection

Methods inherited from class java.lang.Object

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

Methods inherited from interface se.kuseman.payloadbuilder.api.execution.TupleVector

copy, toCsv, toCsv

Method Details

getRowCount

public int getRowCount()

Specified by:

getRowCount in interface TupleVector

getColumn

public ValueVector getColumn(int column)

Description copied from interface: TupleVector

Return vector for provided column. NOTE! Returned value might not be thread safe.

Specified by:

getColumn in interface TupleVector

getSchema

public Schema getSchema()

Description copied from interface: TupleVector

Return the actual schema from the vector. If this tuple vector resides from a schema less query then this is the actual columns resolved runtime else this schema should match the compile time schema that the data source had

Specified by:

getSchema in interface TupleVector

select

public static TupleVector select(TupleVector vector,
 ValueVector selection)

Create a selected tuple vector from provided source and selection