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

Class UDFRawQueryInputDataSetWithoutValueFilter

java.lang.Object

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

org.apache.iotdb.db.query.dataset.RawQueryDataSetWithoutValueFilter

org.apache.iotdb.db.query.dataset.UDFRawQueryInputDataSetWithoutValueFilter

All Implemented Interfaces:

IUDFInputDataSet, DirectAlignByTimeDataSet

public class UDFRawQueryInputDataSetWithoutValueFilter
extends RawQueryDataSetWithoutValueFilter
implements IUDFInputDataSet

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iotdb.db.query.dataset.RawQueryDataSetWithoutValueFilter

RawQueryDataSetWithoutValueFilter.ReadTask

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.db.query.dataset.RawQueryDataSetWithoutValueFilter

batchDataLengthList, blockingQueueArray, cachedBatchDataArray, noMoreDataInQueueArray, originalRowOffset, seriesReaderList, timeHeap

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

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

Fields inherited from interface org.apache.iotdb.db.query.dataset.DirectAlignByTimeDataSet

FLAG

Constructor Summary

Constructors

Constructor	Description
UDFRawQueryInputDataSetWithoutValueFilter(long queryId, UDTFPlan queryPlan, java.util.List<ManagedSeriesReader> readers)

Method Summary

Modifier and Type	Method	Description
protected RawQueryDataSetWithoutValueFilter.ReadTask	generateReadTaskForGivenReader(ManagedSeriesReader reader, int seriesIndex)
boolean	hasNextRowInObjects()	Whether the data set has next row.
java.lang.Object[]	nextRowInObjects()	Get the next row for UDFPlan input.

Methods inherited from class org.apache.iotdb.db.query.dataset.RawQueryDataSetWithoutValueFilter

cacheNext, fillBuffer, fillCache, hasNextWithoutConstraint, 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

Methods inherited from interface org.apache.iotdb.db.mpp.transformation.dag.input.IUDFInputDataSet

canYieldNextRowInObjects, getDataTypes

Constructor Detail

UDFRawQueryInputDataSetWithoutValueFilter

public UDFRawQueryInputDataSetWithoutValueFilter(long queryId,
                                                 UDTFPlan queryPlan,
                                                 java.util.List<ManagedSeriesReader> readers)
                                          throws java.io.IOException,
                                                 java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

Method Detail

generateReadTaskForGivenReader

protected RawQueryDataSetWithoutValueFilter.ReadTask generateReadTaskForGivenReader(ManagedSeriesReader reader,
                                                                                    int seriesIndex)

Overrides:

generateReadTaskForGivenReader in class RawQueryDataSetWithoutValueFilter

hasNextRowInObjects

public boolean hasNextRowInObjects()

Description copied from interface: IUDFInputDataSet

Whether the data set has next row.

Specified by:

hasNextRowInObjects in interface IUDFInputDataSet

nextRowInObjects

public java.lang.Object[] nextRowInObjects()
                                    throws java.io.IOException

Description copied from interface: IUDFInputDataSet

Get the next row for UDFPlan input.

The last element in the row is the timestamp.

Specified by:

nextRowInObjects in interface IUDFInputDataSet

Throws:

java.io.IOException