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

Class GroupByLevelDataSet

java.lang.Object

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

org.apache.iotdb.db.query.dataset.groupby.GroupByLevelDataSet

public class GroupByLevelDataSet
extends org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet.EndPoint

Field Summary

Fields inherited from class org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

alreadyReturnedRowNum, ascending, columnNum, dataTypes, endPoint, fetchSize, paths, rowLimit, rowOffset, withoutAllNull, withoutAnyNull, withoutNullColumnsIndex

Constructor Summary

Constructors

Constructor	Description
GroupByLevelDataSet(GroupByTimePlan plan, GroupByTimeEngineDataSet dataSet)

Method Summary

Modifier and Type	Method	Description
boolean	hasNextWithoutConstraint()
org.apache.iotdb.tsfile.read.common.RowRecord	nextWithoutConstraint()

Methods inherited from class org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

decreaseAlreadyReturnedRowNum, getColumnNum, getDataTypes, getEndPoint, getPaths, getRowLimit, getRowOffset, getWithoutNullColumnsIndex, hasLimit, hasNext, initQueryDataSetFields, isWithoutAllNull, isWithoutAnyNull, next, setColumnNum, setDataTypes, setEndPoint, setFetchSize, setRowLimit, setRowOffset, setWithoutAllNull, setWithoutAnyNull, setWithoutNullColumnsIndex, withoutNullFilter

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupByLevelDataSet

public GroupByLevelDataSet(GroupByTimePlan plan,
                           GroupByTimeEngineDataSet dataSet)
                    throws java.io.IOException

Throws:

java.io.IOException

Method Detail

hasNextWithoutConstraint

public boolean hasNextWithoutConstraint()

Specified by:

hasNextWithoutConstraint in class org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

nextWithoutConstraint

public org.apache.iotdb.tsfile.read.common.RowRecord nextWithoutConstraint()

Specified by:

nextWithoutConstraint in class org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet