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

Interface AlignedGroupByExecutor

All Known Implementing Classes:

LocalAlignedGroupByExecutor

public interface AlignedGroupByExecutor

Each executor calculates results of all aggregations on this aligned series

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)

Method Detail

addAggregateResult

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

add reusable result cache in executor

calcAlignedResult

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

calculate result in [curStartTime, curEndTime)

Throws:

java.io.IOException

QueryProcessException