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

Class H2PkHashIndex

java.lang.Object

org.gridgain.internal.h2.engine.DbObjectBase

org.gridgain.internal.h2.schema.SchemaObjectBase

org.gridgain.internal.h2.index.BaseIndex

org.apache.ignite.internal.processors.query.h2.opt.H2IndexCostedBase

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

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

All Implemented Interfaces:

org.gridgain.internal.h2.engine.DbObject, org.gridgain.internal.h2.index.Index, org.gridgain.internal.h2.schema.SchemaObject

public class H2PkHashIndex
extends GridH2IndexBase

Field Summary

Fields inherited from class org.gridgain.internal.h2.index.BaseIndex

columnIds, columns, indexColumns, indexType, table

Fields inherited from class org.gridgain.internal.h2.engine.DbObjectBase

comment, database, trace

Fields inherited from interface org.gridgain.internal.h2.engine.DbObject

AGGREGATE, COMMENT, CONSTANT, CONSTRAINT, DOMAIN, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, SYNONYM, TABLE_OR_VIEW, TRIGGER, USER

Constructor Summary

Constructors

Constructor and Description
H2PkHashIndex(GridCacheContext<?,?> cctx, GridH2Table tbl, String name, List<org.gridgain.internal.h2.table.IndexColumn> colsList, int segments)

Method Summary

Modifier and Type	Method and Description
boolean	canGetFirstOrLast()
boolean	canScan()
org.gridgain.internal.h2.index.Cursor	find(org.gridgain.internal.h2.engine.Session ses, org.gridgain.internal.h2.result.SearchRow lower, org.gridgain.internal.h2.result.SearchRow upper)
org.gridgain.internal.h2.index.Cursor	findFirstOrLast(org.gridgain.internal.h2.engine.Session ses, boolean b)
double	getCost(org.gridgain.internal.h2.engine.Session ses, int[] masks, org.gridgain.internal.h2.table.TableFilter[] filters, int filter, org.gridgain.internal.h2.result.SortOrder sortOrder, org.gridgain.internal.h2.command.dml.AllColumnsForPlan allColsSet)
long	getRowCount(org.gridgain.internal.h2.engine.Session ses)
H2CacheRow	put(H2CacheRow row) Puts row.
boolean	putx(H2CacheRow row) Puts row.
boolean	removex(org.gridgain.internal.h2.result.SearchRow row) Removes row from index.
int	segmentsCount()
long	totalRowCount(IndexingQueryCacheFilter partsFilter)

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

add, calculateSegment, checkRename, close, columnsArray, destroy, getDiskSpaceUsed, getDistributedMultiplier, getRowCountApproximation, getTable, needRebuild, queryContextRegistry, refreshColumnIds, remove, remove, removeChildrenAndResources, rowDescriptor, segment, segmentForPartition, segmentForRow, truncate

Methods inherited from class org.apache.ignite.internal.processors.query.h2.opt.H2IndexCostedBase

costRangeIndex, getCostRangeIndex_8_7_12

Methods inherited from class org.gridgain.internal.h2.index.BaseIndex

canFindNext, checkIndexColumnTypes, compareRows, createLookupBatch, find, findNext, getColumnIndex, getColumns, getCostRangeIndex, getCreateSQL, getCreateSQLForCopy, getDropSQL, getDuplicateKeyException, getIndexColumns, getIndexType, getPlanSQL, getRow, getType, isFindUsingFullTableScan, isFirstColumn, isHidden, isRowIdIndex, mayHaveNullDuplicates, setSortedInsertMode, update

Methods inherited from class org.gridgain.internal.h2.schema.SchemaObjectBase

getSchema, getSQL, getSQL

Methods inherited from class org.gridgain.internal.h2.engine.DbObjectBase

getChildren, getComment, getDatabase, getId, getModificationId, getName, invalidate, isTemporary, isValid, rename, setComment, setModified, setObjectName, setTemporary, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gridgain.internal.h2.schema.SchemaObject

getSchema

Methods inherited from interface org.gridgain.internal.h2.engine.DbObject

getChildren, getComment, getDatabase, getId, getName, getSQL, getSQL, isTemporary, rename, setComment, setTemporary

Constructor Detail

H2PkHashIndex

public H2PkHashIndex(GridCacheContext<?,?> cctx,
                     GridH2Table tbl,
                     String name,
                     List<org.gridgain.internal.h2.table.IndexColumn> colsList,
                     int segments)

Parameters:

cctx - Cache context.

tbl - Table.

name - Index name.

colsList - Index columns.

segments - Segments.

Method Detail

segmentsCount

public int segmentsCount()

Specified by:

segmentsCount in class GridH2IndexBase

Returns:

Index segments count.

find

public org.gridgain.internal.h2.index.Cursor find(org.gridgain.internal.h2.engine.Session ses,
                                                  org.gridgain.internal.h2.result.SearchRow lower,
                                                  org.gridgain.internal.h2.result.SearchRow upper)

canScan

public boolean canScan()

Specified by:

canScan in interface org.gridgain.internal.h2.index.Index

Overrides:

canScan in class org.gridgain.internal.h2.index.BaseIndex

put

public H2CacheRow put(H2CacheRow row)

Puts row.

Specified by:

put in class GridH2IndexBase

Parameters:

row - Row.

Returns:

Existing row or null.

putx

public boolean putx(H2CacheRow row)

Puts row.

Specified by:

putx in class GridH2IndexBase

Parameters:

row - Row.

Returns:

True if existing row row has been replaced.

removex

public boolean removex(org.gridgain.internal.h2.result.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(org.gridgain.internal.h2.engine.Session ses,
                      int[] masks,
                      org.gridgain.internal.h2.table.TableFilter[] filters,
                      int filter,
                      org.gridgain.internal.h2.result.SortOrder sortOrder,
                      org.gridgain.internal.h2.command.dml.AllColumnsForPlan allColsSet)

getRowCount

public long getRowCount(org.gridgain.internal.h2.engine.Session ses)

canGetFirstOrLast

public boolean canGetFirstOrLast()

findFirstOrLast

public org.gridgain.internal.h2.index.Cursor findFirstOrLast(org.gridgain.internal.h2.engine.Session ses,
                                                             boolean b)

totalRowCount

public long totalRowCount(IndexingQueryCacheFilter partsFilter)

Specified by:

totalRowCount in class GridH2IndexBase

Parameters:

partsFilter - Partitions filter.

Returns:

Total row count in the current index for filtered partitions.