org.verdictdb.core.querying.ola

Class AggExecutionNodeBlock

java.lang.Object

org.verdictdb.core.querying.ola.AggExecutionNodeBlock

public class AggExecutionNodeBlock
extends Object

Contains the references to the ExecutionNodes that contain scrambled tables. This does not include the scrambled tables in sub aggregate queries.

Author:

Yongjoo Park

Constructor Summary

Constructors

Constructor and Description
AggExecutionNodeBlock(ExecutableNodeBase blockRoot)

Method Summary

Modifier and Type	Method and Description
AggExecutionNodeBlock	deepcopyExcludingDependentAggregates(List<org.apache.commons.lang3.tuple.Pair<ExecutableNodeBase,ExecutableNodeBase>> oldSubscriptionInformation) Replicas of the group is made.
ExecutableNodeBase	getBlockRootNode()
List<ExecutableNodeBase>	getNodesInBlock()

Methods inherited from class java.lang.Object

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

Constructor Detail

AggExecutionNodeBlock

public AggExecutionNodeBlock(ExecutableNodeBase blockRoot)

Method Detail

getBlockRootNode

public ExecutableNodeBase getBlockRootNode()

getNodesInBlock

public List<ExecutableNodeBase> getNodesInBlock()

deepcopyExcludingDependentAggregates

public AggExecutionNodeBlock deepcopyExcludingDependentAggregates(List<org.apache.commons.lang3.tuple.Pair<ExecutableNodeBase,ExecutableNodeBase>> oldSubscriptionInformation)
                                                           throws VerdictDBValueException

Replicas of the group is made. The subscription relationships among the group's nodes are replicated. The subscription relationships outside the group's nodes are shared. This is for each replicated group to receive the same information from the downstream operations.

Parameters:

root -

oldSubscriptionInformation - Pairs of (old parent, old source). After all deepcopying is finished, this old subscription can be cancelled.

Returns:

Throws:

VerdictDBValueException