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

Class RawQueryDataSetWithoutValueFilter

java.lang.Object

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

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

All Implemented Interfaces:

DirectAlignByTimeDataSet

Direct Known Subclasses:

UDFRawQueryInputDataSetWithoutValueFilter

public class RawQueryDataSetWithoutValueFilter
extends org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet
implements DirectAlignByTimeDataSet

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	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

Modifier and Type	Field	Description
protected int[]	batchDataLengthList
protected java.util.concurrent.BlockingQueue<org.apache.iotdb.tsfile.read.common.BatchData>[]	blockingQueueArray
protected org.apache.iotdb.tsfile.read.common.BatchData[]	cachedBatchDataArray
protected boolean[]	noMoreDataInQueueArray
protected int	originalRowOffset
protected java.util.List<ManagedSeriesReader>	seriesReaderList
protected TimeSelector	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
RawQueryDataSetWithoutValueFilter(long queryId)	Dummy dataSet for redirect query.
RawQueryDataSetWithoutValueFilter(long queryId, RawDataQueryPlan queryPlan, java.util.List<ManagedSeriesReader> readers)	constructor of EngineDataSetWithoutValueFilter.

Method Summary

Modifier and Type	Method	Description
protected void	cacheNext(int seriesIndex)
org.apache.iotdb.service.rpc.thrift.TSQueryDataSet	fillBuffer(int fetchSize, WatermarkEncoder encoder)	for RPC in RawData query between client and server fill time buffer, value buffers and bitmap buffers
protected void	fillCache(int seriesIndex)
protected RawQueryDataSetWithoutValueFilter.ReadTask	generateReadTaskForGivenReader(ManagedSeriesReader reader, int seriesIndex)
boolean	hasNextWithoutConstraint()	for spark/hadoop/hive integration and test
org.apache.iotdb.tsfile.read.common.RowRecord	nextWithoutConstraint()	for spark/hadoop/hive integration and test

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

Field Detail

seriesReaderList

protected java.util.List<ManagedSeriesReader> seriesReaderList

timeHeap

protected TimeSelector timeHeap

blockingQueueArray

protected final java.util.concurrent.BlockingQueue<org.apache.iotdb.tsfile.read.common.BatchData>[] blockingQueueArray

noMoreDataInQueueArray

protected boolean[] noMoreDataInQueueArray

cachedBatchDataArray

protected org.apache.iotdb.tsfile.read.common.BatchData[] cachedBatchDataArray

batchDataLengthList

protected int[] batchDataLengthList

originalRowOffset

protected final int originalRowOffset

Constructor Detail

RawQueryDataSetWithoutValueFilter

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

constructor of EngineDataSetWithoutValueFilter.

Parameters:

readers - readers in List(IPointReader) structure

Throws:

java.io.IOException

java.lang.InterruptedException

RawQueryDataSetWithoutValueFilter

public RawQueryDataSetWithoutValueFilter(long queryId)

Dummy dataSet for redirect query.

Parameters:

queryId - queryId for the query.

Method Detail

generateReadTaskForGivenReader

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

fillBuffer

public org.apache.iotdb.service.rpc.thrift.TSQueryDataSet fillBuffer(int fetchSize,
                                                                     WatermarkEncoder encoder)
                                                              throws java.io.IOException,
                                                                     java.lang.InterruptedException

for RPC in RawData query between client and server fill time buffer, value buffers and bitmap buffers

Specified by:

fillBuffer in interface DirectAlignByTimeDataSet

Throws:

java.io.IOException

java.lang.InterruptedException

fillCache

protected void fillCache(int seriesIndex)
                  throws java.io.IOException,
                         java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

hasNextWithoutConstraint

public boolean hasNextWithoutConstraint()

for spark/hadoop/hive integration and test

Specified by:

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

nextWithoutConstraint

public org.apache.iotdb.tsfile.read.common.RowRecord nextWithoutConstraint()
                                                                    throws java.io.IOException

for spark/hadoop/hive integration and test

Specified by:

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

Throws:

java.io.IOException

cacheNext

protected void cacheNext(int seriesIndex)
                  throws java.io.IOException

Throws:

java.io.IOException