org.apache.ignite.internal.processors.query.h2.disk

Class SortedExternalResult

java.lang.Object

org.apache.ignite.internal.processors.query.h2.disk.AbstractExternalResult<org.gridgain.internal.h2.value.Value>

org.apache.ignite.internal.processors.query.h2.disk.SortedExternalResult

All Implemented Interfaces:

AutoCloseable, org.gridgain.internal.h2.result.ResultExternal

public class SortedExternalResult
extends AbstractExternalResult<org.gridgain.internal.h2.value.Value>
implements org.gridgain.internal.h2.result.ResultExternal

This class is intended for spilling to the disk (disk offloading) sorted intermediate query results.

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.query.h2.disk.AbstractExternalResult

data, log, memMgr, memTracker, parent, size

Constructor Summary

Constructors

Constructor and Description
SortedExternalResult(org.gridgain.internal.h2.engine.Session ses, boolean distinct, int[] distinctIndexes, int visibleColCnt, org.gridgain.internal.h2.result.SortOrder sort, long initSize)

Method Summary

Modifier and Type	Method and Description
int	addRow(org.gridgain.internal.h2.value.Value[] row)
int	addRows(Collection<org.gridgain.internal.h2.value.Value[]> rows)
boolean	contains(org.gridgain.internal.h2.value.Value[] values)
org.gridgain.internal.h2.result.ResultExternal	createShallowCopy()
org.gridgain.internal.h2.value.Value[]	next()
int	removeRow(org.gridgain.internal.h2.value.Value[] values)
void	reset()

Methods inherited from class org.apache.ignite.internal.processors.query.h2.disk.AbstractExternalResult

close, closeChild, needToSpill, onChildCreated, onClose, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gridgain.internal.h2.result.ResultExternal

close

Constructor Detail

SortedExternalResult

public SortedExternalResult(org.gridgain.internal.h2.engine.Session ses,
                            boolean distinct,
                            int[] distinctIndexes,
                            int visibleColCnt,
                            org.gridgain.internal.h2.result.SortOrder sort,
                            long initSize)

Parameters:

ses - Session.

distinct - Distinct flag.

distinctIndexes - DISTINCT ON(...) expressions.

visibleColCnt - Visible columns count.

sort - Sort order.

initSize - Initial size;

Method Detail

next

public org.gridgain.internal.h2.value.Value[] next()

Specified by:

next in interface org.gridgain.internal.h2.result.ResultExternal

addRows

public int addRows(Collection<org.gridgain.internal.h2.value.Value[]> rows)

Specified by:

addRows in interface org.gridgain.internal.h2.result.ResultExternal

addRow

public int addRow(org.gridgain.internal.h2.value.Value[] row)

Specified by:

addRow in interface org.gridgain.internal.h2.result.ResultExternal

contains

public boolean contains(org.gridgain.internal.h2.value.Value[] values)

Specified by:

contains in interface org.gridgain.internal.h2.result.ResultExternal

removeRow

public int removeRow(org.gridgain.internal.h2.value.Value[] values)

Specified by:

removeRow in interface org.gridgain.internal.h2.result.ResultExternal

reset

public void reset()

Specified by:

reset in interface org.gridgain.internal.h2.result.ResultExternal

createShallowCopy

public org.gridgain.internal.h2.result.ResultExternal createShallowCopy()

Specified by:

createShallowCopy in interface org.gridgain.internal.h2.result.ResultExternal