org.apache.iotdb.db.query.dataset

类 AlignByDeviceDataSet

java.lang.Object

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

org.apache.iotdb.db.query.dataset.AlignByDeviceDataSet

public class AlignByDeviceDataSet
extends QueryDataSet

This QueryDataSet is used for ALIGN_BY_DEVICE query result.

嵌套类概要

从类继承的嵌套类/接口 org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

QueryDataSet.EndPoint

字段概要

从类继承的字段 org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

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

构造器概要

构造器

构造器和说明
AlignByDeviceDataSet(AlignByDevicePlan alignByDevicePlan, QueryContext context, IQueryRouter queryRouter)

方法概要

限定符和类型	方法和说明
int	getPathsNum()
boolean	hasNextWithoutConstraint()
RowRecord	nextWithoutConstraint()

从类继承的方法 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

从类继承的方法 java.lang.Object

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

构造器详细资料

AlignByDeviceDataSet

public AlignByDeviceDataSet(AlignByDevicePlan alignByDevicePlan,
                            QueryContext context,
                            IQueryRouter queryRouter)
                     throws QueryProcessException

抛出:

QueryProcessException

方法详细资料

getPathsNum

public int getPathsNum()

hasNextWithoutConstraint

public boolean hasNextWithoutConstraint()
                                 throws IOException

指定者:

hasNextWithoutConstraint 在类中 QueryDataSet

抛出:

IOException

nextWithoutConstraint

public RowRecord nextWithoutConstraint()
                                throws IOException

指定者:

nextWithoutConstraint 在类中 QueryDataSet

抛出:

IOException