org.apache.iotdb.tsfile.read.query.executor

Class ExecutorWithTimeGenerator

java.lang.Object

org.apache.iotdb.tsfile.read.query.executor.ExecutorWithTimeGenerator

All Implemented Interfaces:

QueryExecutor

public class ExecutorWithTimeGenerator
extends Object
implements QueryExecutor

Constructor Summary

Constructors

Constructor and Description
ExecutorWithTimeGenerator(IMetadataQuerier metadataQuerier, IChunkLoader chunkLoader)

Method Summary

Modifier and Type	Method and Description
DataSetWithTimeGenerator	execute(QueryExpression queryExpression) All leaf nodes of queryFilter in queryExpression are SeriesFilters, We use a TimeGenerator to control query processing.
static List<Boolean>	markFilterdPaths(IExpression expression, List<Path> selectedPaths, boolean hasOrNode)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExecutorWithTimeGenerator

public ExecutorWithTimeGenerator(IMetadataQuerier metadataQuerier,
                                 IChunkLoader chunkLoader)

Method Detail

execute

public DataSetWithTimeGenerator execute(QueryExpression queryExpression)
                                 throws IOException

All leaf nodes of queryFilter in queryExpression are SeriesFilters, We use a TimeGenerator to control query processing. for more information, see DataSetWithTimeGenerator

Specified by:

execute in interface QueryExecutor

Returns:

DataSet with TimeGenerator

Throws:

IOException

markFilterdPaths

public static List<Boolean> markFilterdPaths(IExpression expression,
                                             List<Path> selectedPaths,
                                             boolean hasOrNode)