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

Class H2TreeIndex

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.H2TreeIndexBase

org.apache.ignite.internal.processors.query.h2.database.H2TreeIndex

All Implemented Interfaces:

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

public class H2TreeIndex
extends H2TreeIndexBase

H2 Index over BPlusTree.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	H2TreeIndex.H2TreeFactory Interface for H2Tree factory class.

Field Summary

Fields

Modifier and Type	Field and Description
static H2TreeIndex.H2TreeFactory	h2TreeFactory Override it for test purposes.

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

Method Summary

Modifier and Type	Method and Description
H2TreeIndex	createCopy(PageMemory pageMem, IgniteCacheOffheapManager offheap) Creates a new index that is an exact copy of this index.
static H2TreeIndex	createIndex(GridCacheContext<?,?> cctx, @Nullable H2RowCache rowCache, GridH2Table tbl, String idxName, boolean pk, boolean affinityKey, List<org.gridgain.internal.h2.table.IndexColumn> unwrappedCols, List<org.gridgain.internal.h2.table.IndexColumn> wrappedCols, int inlineSize, int segmentsCnt, IgniteLogger log)
static H2TreeIndex	createIndex(GridCacheContext<?,?> cctx, @Nullable H2RowCache rowCache, GridH2Table tbl, String idxName, boolean pk, boolean affinityKey, List<org.gridgain.internal.h2.table.IndexColumn> unwrappedCols, List<org.gridgain.internal.h2.table.IndexColumn> wrappedCols, int inlineSize, int segmentsCnt, PageMemory pageMemory, IgniteCacheOffheapManager offheap, PageIoResolver pageIoRslvr, IgniteLogger log)
org.gridgain.internal.h2.index.IndexLookupBatch	createLookupBatch(org.gridgain.internal.h2.table.TableFilter[] filters, int filter)
void	destroy(boolean rmvIdx) Internal method for destroying index.
void	destroy0(boolean rmvIdx, boolean renameImmediately) Internal method for destroying index.
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)
Iterator<H2Row>	findForSegment(GridH2RowRangeBounds bounds, int segment, BPlusTree.TreeRowClosure<H2Row,H2Row> filter) Find rows for the segments (distributed joins).
String	getIndexName() Returns index name.
long	getRowCount(org.gridgain.internal.h2.engine.Session ses)
int	inlineSize()
void	markRenamed() Marks index as renamed, meaning on destruction there is no need to run DurableBackgroundCleanupIndexTreeTaskV2.
H2CacheRow	put(H2CacheRow row) Puts row.
boolean	putx(H2CacheRow row) Puts row.
boolean	rebuildRequired() Check if index exists in store.
boolean	removex(org.gridgain.internal.h2.result.SearchRow row) Removes row from index.
int	segmentsCount()
void	send(Collection<ClusterNode> nodes, Message msg)
long	size() Returns number of elements in the tree by scanning pages of the bottom (leaf) level.
GridH2RowMessage	toSearchRowMessage(org.gridgain.internal.h2.result.SearchRow row)
long	totalRowCount(IndexingQueryCacheFilter partsFilter)
H2Tree	treeForRead(int segment)
String	treeName() Returns the tree name of this index.

Methods inherited from class org.apache.ignite.internal.processors.query.h2.database.H2TreeIndexBase

canGetFirstOrLast, getCost

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

add, calculateSegment, checkRename, close, columnsArray, 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, canScan, checkIndexColumnTypes, compareRows, 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

Field Detail

h2TreeFactory

public static H2TreeIndex.H2TreeFactory h2TreeFactory

Override it for test purposes.

Method Detail

createIndex

public static H2TreeIndex createIndex(GridCacheContext<?,?> cctx,
                                      @Nullable
                                      @Nullable H2RowCache rowCache,
                                      GridH2Table tbl,
                                      String idxName,
                                      boolean pk,
                                      boolean affinityKey,
                                      List<org.gridgain.internal.h2.table.IndexColumn> unwrappedCols,
                                      List<org.gridgain.internal.h2.table.IndexColumn> wrappedCols,
                                      int inlineSize,
                                      int segmentsCnt,
                                      IgniteLogger log)
                               throws IgniteCheckedException

Parameters:

cctx - Cache context.

rowCache - Row cache.

tbl - Table.

idxName - Index name.

pk - Primary key.

affinityKey - true for affinity key.

unwrappedCols - Unwrapped index columns for complex types.

wrappedCols - Index columns as is.

inlineSize - Inline size.

segmentsCnt - Count of tree segments.

log - Logger.

Returns:

Index.

Throws:

IgniteCheckedException - If failed.

createIndex

public static H2TreeIndex createIndex(GridCacheContext<?,?> cctx,
                                      @Nullable
                                      @Nullable H2RowCache rowCache,
                                      GridH2Table tbl,
                                      String idxName,
                                      boolean pk,
                                      boolean affinityKey,
                                      List<org.gridgain.internal.h2.table.IndexColumn> unwrappedCols,
                                      List<org.gridgain.internal.h2.table.IndexColumn> wrappedCols,
                                      int inlineSize,
                                      int segmentsCnt,
                                      PageMemory pageMemory,
                                      IgniteCacheOffheapManager offheap,
                                      PageIoResolver pageIoRslvr,
                                      IgniteLogger log)
                               throws IgniteCheckedException

Throws:

IgniteCheckedException

inlineSize

public int inlineSize()

Specified by:

inlineSize in class H2TreeIndexBase

Returns:

Inline size.

rebuildRequired

public boolean rebuildRequired()

Check if index exists in store.

Returns:

True if exists.

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)

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.

getRowCount

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

findFirstOrLast

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

destroy

public void destroy(boolean rmvIdx)

Internal method for destroying index. For H2TreeIndex destroy operation is asynchronous.

Overrides:

destroy in class GridH2IndexBase

Parameters:

rmvIdx - Flag remove.

markRenamed

public void markRenamed()

Marks index as renamed, meaning on destruction there is no need to run DurableBackgroundCleanupIndexTreeTaskV2.

destroy0

public void destroy0(boolean rmvIdx,
                     boolean renameImmediately)
              throws IgniteCheckedException

Internal method for destroying index. For H2TreeIndex destroy operation is asynchronous.

Parameters:

rmvIdx - Flag remove.

renameImmediately - Use true to rename index tree immediately, before executing cleanup task.

Throws:

IgniteCheckedException

treeForRead

public H2Tree treeForRead(int segment)

Parameters:

segment - Segment Id.

Returns:

Snapshot for requested segment if there is one.

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.

createLookupBatch

public org.gridgain.internal.h2.index.IndexLookupBatch createLookupBatch(org.gridgain.internal.h2.table.TableFilter[] filters,
                                                                         int filter)

Specified by:

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

Overrides:

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

send

public void send(Collection<ClusterNode> nodes,
                 Message msg)

Parameters:

nodes - Nodes.

msg - Message.

findForSegment

public Iterator<H2Row> findForSegment(GridH2RowRangeBounds bounds,
                                      int segment,
                                      BPlusTree.TreeRowClosure<H2Row,H2Row> filter)

Find rows for the segments (distributed joins).

Parameters:

bounds - Bounds.

segment - Segment.

filter - Filter.

Returns:

Iterator.

toSearchRowMessage

public GridH2RowMessage toSearchRowMessage(org.gridgain.internal.h2.result.SearchRow row)

Parameters:

row - Search row.

Returns:

Row message.

size

public long size()
          throws IgniteCheckedException

Returns number of elements in the tree by scanning pages of the bottom (leaf) level.

Returns:

Number of elements in the tree.

Throws:

IgniteCheckedException - If failed.

treeName

public String treeName()

Returns the tree name of this index.

Returns:

Tree name of the index.

createCopy

public H2TreeIndex createCopy(PageMemory pageMem,
                              IgniteCacheOffheapManager offheap)
                       throws IgniteCheckedException

Creates a new index that is an exact copy of this index.

Parameters:

pageMem - Page memory.

offheap - Offheap manager.

Returns:

New index.

Throws:

IgniteCheckedException

getIndexName

public String getIndexName()

Returns index name.