Package org.apache.iotdb.db.query.executor.groupby.impl

Class LocalAlignedGroupByExecutor

java.lang.Object

org.apache.iotdb.db.query.executor.groupby.impl.LocalAlignedGroupByExecutor

All Implemented Interfaces:

AlignedGroupByExecutor

public class LocalAlignedGroupByExecutor
extends java.lang.Object
implements AlignedGroupByExecutor

Constructor Summary

Constructors

Constructor	Description
LocalAlignedGroupByExecutor(org.apache.iotdb.commons.path.PartialPath path, QueryContext context, org.apache.iotdb.tsfile.read.filter.basic.Filter timeFilter, TsFileFilter fileFilter, boolean ascending)

Method Summary

Modifier and Type	Method	Description
void	addAggregateResult(java.util.List<AggregateResult> aggregateResults)	add reusable result cache in executor
java.util.List<java.util.List<AggregateResult>>	calcAlignedResult(long curStartTime, long curEndTime)	calculate result in [curStartTime, curEndTime)

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalAlignedGroupByExecutor

public LocalAlignedGroupByExecutor(org.apache.iotdb.commons.path.PartialPath path,
                                   QueryContext context,
                                   org.apache.iotdb.tsfile.read.filter.basic.Filter timeFilter,
                                   TsFileFilter fileFilter,
                                   boolean ascending)
                            throws StorageEngineException,
                                   QueryProcessException

Throws:

StorageEngineException

QueryProcessException

Method Detail

addAggregateResult

public void addAggregateResult(java.util.List<AggregateResult> aggregateResults)

Description copied from interface: AlignedGroupByExecutor

add reusable result cache in executor

Specified by:

addAggregateResult in interface AlignedGroupByExecutor

calcAlignedResult

public java.util.List<java.util.List<AggregateResult>> calcAlignedResult(long curStartTime,
                                                                         long curEndTime)
                                                                  throws java.io.IOException,
                                                                         QueryProcessException

Description copied from interface: AlignedGroupByExecutor

calculate result in [curStartTime, curEndTime)

Specified by:

calcAlignedResult in interface AlignedGroupByExecutor

Throws:

java.io.IOException

QueryProcessException