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

Class DistributedLookupBatch

java.lang.Object

org.apache.ignite.internal.processors.query.h2.opt.join.DistributedLookupBatch

All Implemented Interfaces:

org.gridgain.internal.h2.index.IndexLookupBatch

public class DistributedLookupBatch
extends Object
implements org.gridgain.internal.h2.index.IndexLookupBatch

Index lookup batch.

Constructor Summary

Constructors

Constructor and Description
DistributedLookupBatch(H2TreeIndex idx, GridCacheContext<?,?> cctx, QueryContextRegistry qryCtxRegistry, boolean ucast, int affColId)

Method Summary

Modifier and Type	Method and Description
boolean	addSearchRows(org.gridgain.internal.h2.engine.Session ses, org.gridgain.internal.h2.result.SearchRow firstRow, org.gridgain.internal.h2.result.SearchRow lastRow)
List<SegmentKey>	broadcastSegments()
static GridH2IndexRangeRequest	createRequest(DistributedJoinContext joinCtx, int batchLookupId, int segmentId)
List<Future<org.gridgain.internal.h2.index.Cursor>>	find()
String	getPlanSQL()
boolean	isBatchFull()
SegmentKey	rangeSegment(Object affKeyObj)
void	reset(boolean beforeQry)

Methods inherited from class java.lang.Object

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

Constructor Detail

DistributedLookupBatch

public DistributedLookupBatch(H2TreeIndex idx,
                              GridCacheContext<?,?> cctx,
                              QueryContextRegistry qryCtxRegistry,
                              boolean ucast,
                              int affColId)

Parameters:

cctx - Cache Cache context.

ucast - Unicast or broadcast query.

affColId - Affinity column ID.

Method Detail

addSearchRows

public boolean addSearchRows(org.gridgain.internal.h2.engine.Session ses,
                             org.gridgain.internal.h2.result.SearchRow firstRow,
                             org.gridgain.internal.h2.result.SearchRow lastRow)

Specified by:

addSearchRows in interface org.gridgain.internal.h2.index.IndexLookupBatch

isBatchFull

public boolean isBatchFull()

Specified by:

isBatchFull in interface org.gridgain.internal.h2.index.IndexLookupBatch

find

public List<Future<org.gridgain.internal.h2.index.Cursor>> find()

Specified by:

find in interface org.gridgain.internal.h2.index.IndexLookupBatch

reset

public void reset(boolean beforeQry)

Specified by:

reset in interface org.gridgain.internal.h2.index.IndexLookupBatch

getPlanSQL

public String getPlanSQL()

Specified by:

getPlanSQL in interface org.gridgain.internal.h2.index.IndexLookupBatch

rangeSegment

public SegmentKey rangeSegment(Object affKeyObj)

Parameters:

affKeyObj - Affinity key.

Returns:

Segment key for Affinity key.

broadcastSegments

public List<SegmentKey> broadcastSegments()

Returns:

Collection of nodes for broadcasting.

createRequest

public static GridH2IndexRangeRequest createRequest(DistributedJoinContext joinCtx,
                                                    int batchLookupId,
                                                    int segmentId)

Parameters:

joinCtx - Join context.

batchLookupId - Batch lookup ID.

segmentId - Segment ID.

Returns:

Index range request.