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

Class H2PkHashIndex

java.lang.Object

BaseIndex

org.apache.ignite.internal.processors.query.h2.opt.GridH2IndexBase

org.apache.ignite.internal.processors.query.h2.database.H2PkHashIndex

public class H2PkHashIndex
extends GridH2IndexBase

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.processors.query.h2.opt.GridH2IndexBase

GridH2IndexBase.SegmentKey

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.query.h2.opt.GridH2IndexBase

ctx, EMPTY_CURSOR

Constructor Summary

Constructors

Constructor and Description
H2PkHashIndex(<any> cctx, GridH2Table tbl, String name, List<IndexColumn> colsList)

Method Summary

Modifier and Type	Method and Description
boolean	canGetFirstOrLast()
boolean	canScan()
Cursor	find(Session ses, SearchRow lower, SearchRow upper)
Cursor	findFirstOrLast(Session ses, boolean b)
double	getCost(Session ses, int[] masks, TableFilter[] filters, int filter, SortOrder sortOrder, HashSet<Column> allColumnsSet)
long	getRowCount(Session ses)
long	getRowCountApproximation()
GridH2Row	put(GridH2Row row) Puts row.
boolean	putx(GridH2Row row) Puts row.
GridH2Row	remove(SearchRow row) Remove row from index.
boolean	removex(SearchRow row) Removes row from index.
protected int	segmentsCount()

Methods inherited from class org.apache.ignite.internal.processors.query.h2.opt.GridH2IndexBase

add, bubbleUp, checkRename, close, createLookupBatch, destroy, doFind0, filter, getDiskSpaceUsed, getDistributedMultiplier, getTable, initDistributedJoinMessaging, needRebuild, refreshColumnIds, remove, removeChildrenAndResources, segmentForPartition, segmentForRow, threadLocalSegment, treeForRead, truncate

Methods inherited from class java.lang.Object

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

Constructor Detail

H2PkHashIndex

public H2PkHashIndex(<any> cctx,
                     GridH2Table tbl,
                     String name,
                     List<IndexColumn> colsList)

Parameters:

cctx - Cache context.

tbl - Table.

name - Index name.

colsList - Index columns.

Method Detail

segmentsCount

protected int segmentsCount()

Specified by:

segmentsCount in class GridH2IndexBase

Returns:

Index segments count.

find

public Cursor find(Session ses,
                   SearchRow lower,
                   SearchRow upper)

canScan

public boolean canScan()

put

public GridH2Row put(GridH2Row row)

Puts row.

Specified by:

put in class GridH2IndexBase

Parameters:

row - Row.

Returns:

Existing row or null.

putx

public boolean putx(GridH2Row row)

Puts row.

Specified by:

putx in class GridH2IndexBase

Parameters:

row - Row.

Returns:

True if existing row row has been replaced.

remove

public GridH2Row remove(SearchRow row)

Remove row from index.

Specified by:

remove in class GridH2IndexBase

Parameters:

row - Row.

Returns:

Removed row.

removex

public boolean removex(SearchRow row)

Removes row from index.

Specified by:

removex in class GridH2IndexBase

Parameters:

row - Row.

Returns:

True if row has been removed.

getCost

public double getCost(Session ses,
                      int[] masks,
                      TableFilter[] filters,
                      int filter,
                      SortOrder sortOrder,
                      HashSet<Column> allColumnsSet)

getRowCount

public long getRowCount(Session ses)

getRowCountApproximation

public long getRowCountApproximation()

canGetFirstOrLast

public boolean canGetFirstOrLast()

findFirstOrLast

public Cursor findFirstOrLast(Session ses,
                              boolean b)