Package org.apache.iotdb.db.qp.physical.crud

Class QueryPlan

java.lang.Object

org.apache.iotdb.db.qp.physical.PhysicalPlan

org.apache.iotdb.db.qp.physical.crud.QueryPlan

All Implemented Interfaces:

org.apache.iotdb.consensus.common.request.IConsensusRequest

Direct Known Subclasses:

AlignByDevicePlan, RawDataQueryPlan

public abstract class QueryPlan
extends PhysicalPlan

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iotdb.db.qp.physical.PhysicalPlan

PhysicalPlan.Factory, PhysicalPlan.PhysicalPlanType

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<MeasurementPath>	paths
protected java.util.List<ResultColumn>	resultColumns
static java.lang.String	WITHOUT_NULL_FILTER_ERROR_MESSAGE
protected java.util.Set<java.lang.Integer>	withoutNullColumnsIndex

Fields inherited from class org.apache.iotdb.db.qp.physical.PhysicalPlan

canBeSplit, index

Constructor Summary

Constructors

Constructor	Description
QueryPlan()

Method Summary

Modifier and Type	Method	Description
abstract void	convertSpecialClauseValues(SpecialClauseComponent specialClauseComponent)
abstract void	deduplicate(PhysicalGenerator physicalGenerator)
java.lang.String	getColumnForDisplay(java.lang.String columnForReader, int pathIndex)
java.lang.String	getColumnForReaderFromPath(org.apache.iotdb.commons.path.PartialPath path, int pathIndex)
java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType>	getDataTypes()
java.util.List<MeasurementPath>	getPaths()
java.util.Map<java.lang.String,java.lang.Integer>	getPathToIndex()
java.util.List<ResultColumn>	getResultColumns()
int	getRowLimit()
int	getRowOffset()
org.apache.iotdb.service.rpc.thrift.TSExecuteStatementResp	getTSExecuteStatementResp(boolean isJdbcQuery)	Construct the header of result set.
java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType>	getWideQueryHeaders(java.util.List<java.lang.String> respColumns, java.util.List<java.lang.String> respSgColumns, boolean isJdbcQuery, java.util.BitSet aliasList)
java.util.Set<java.lang.Integer>	getWithoutNullColumnsIndex()
boolean	hasLimit()
boolean	isAlignByTime()
boolean	isAscending()
boolean	isEnableRedirect()
boolean	isEnableTracing()
boolean	isGroupByLevel()
boolean	isWithoutAllNull()
boolean	isWithoutAnyNull()
void	setAlignByTime(boolean align)
void	setAscending(boolean ascending)
void	setColumnNameToDatasetOutputIndex(java.lang.String columnName, java.lang.Integer index)
void	setEnableRedirect(boolean enableRedirect)
void	setEnableTracing(boolean enableTracing)
void	setPaths(java.util.List<org.apache.iotdb.commons.path.PartialPath> paths)
void	setResultColumns(java.util.List<ResultColumn> resultColumns)
void	setRowLimit(int rowLimit)
void	setRowOffset(int rowOffset)
void	setWithoutAllNull(boolean withoutAllNull)
void	setWithoutAnyNull(boolean withoutAnyNull)

Methods inherited from class org.apache.iotdb.db.qp.physical.PhysicalPlan

canBeSplit, checkIntegrity, deserialize, deserialize, getAggregations, getAuthPaths, getIndex, getLoginUserName, getOperatorName, getOperatorType, isAuthenticationRequired, isDebug, isPrefixMatch, isQuery, isSelectInto, putString, putString, putStrings, putStrings, readString, readStrings, serialize, serialize, serializeImpl, serializeToByteBuffer, setDebug, setIndex, setLoginUserName, setOperatorType, setPrefixMatch, setQuery

Methods inherited from class java.lang.Object

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

Field Detail

WITHOUT_NULL_FILTER_ERROR_MESSAGE

public static final java.lang.String WITHOUT_NULL_FILTER_ERROR_MESSAGE

See Also:

Constant Field Values

resultColumns

protected java.util.List<ResultColumn> resultColumns

paths

protected java.util.List<MeasurementPath> paths

withoutNullColumnsIndex

protected java.util.Set<java.lang.Integer> withoutNullColumnsIndex

Constructor Detail

QueryPlan

public QueryPlan()

Method Detail

getWithoutNullColumnsIndex

public java.util.Set<java.lang.Integer> getWithoutNullColumnsIndex()

deduplicate

public abstract void deduplicate(PhysicalGenerator physicalGenerator)
                          throws org.apache.iotdb.commons.exception.MetadataException

Throws:

org.apache.iotdb.commons.exception.MetadataException

convertSpecialClauseValues

public abstract void convertSpecialClauseValues(SpecialClauseComponent specialClauseComponent)
                                         throws QueryProcessException

Throws:

QueryProcessException

getTSExecuteStatementResp

public org.apache.iotdb.service.rpc.thrift.TSExecuteStatementResp getTSExecuteStatementResp(boolean isJdbcQuery)
                                                                                     throws org.apache.thrift.TException,
                                                                                            org.apache.iotdb.commons.exception.MetadataException

Construct the header of result set. Return TSExecuteStatementResp.

Throws:

org.apache.thrift.TException

org.apache.iotdb.commons.exception.MetadataException

getWideQueryHeaders

public java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> getWideQueryHeaders(java.util.List<java.lang.String> respColumns,
                                                                                                  java.util.List<java.lang.String> respSgColumns,
                                                                                                  boolean isJdbcQuery,
                                                                                                  java.util.BitSet aliasList)
                                                                                           throws org.apache.thrift.TException,
                                                                                                  org.apache.iotdb.commons.exception.MetadataException

Throws:

org.apache.thrift.TException

org.apache.iotdb.commons.exception.MetadataException

getPaths

public java.util.List<MeasurementPath> getPaths()

Specified by:

getPaths in class PhysicalPlan

setPaths

public void setPaths(java.util.List<org.apache.iotdb.commons.path.PartialPath> paths)

Overrides:

setPaths in class PhysicalPlan

getDataTypes

public java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> getDataTypes()

getRowLimit

public int getRowLimit()

setRowLimit

public void setRowLimit(int rowLimit)

getRowOffset

public int getRowOffset()

setRowOffset

public void setRowOffset(int rowOffset)

hasLimit

public boolean hasLimit()

isAlignByTime

public boolean isAlignByTime()

setAlignByTime

public void setAlignByTime(boolean align)

setColumnNameToDatasetOutputIndex

public void setColumnNameToDatasetOutputIndex(java.lang.String columnName,
                                              java.lang.Integer index)

isGroupByLevel

public boolean isGroupByLevel()

getPathToIndex

public java.util.Map<java.lang.String,java.lang.Integer> getPathToIndex()

isAscending

public boolean isAscending()

setAscending

public void setAscending(boolean ascending)

getColumnForReaderFromPath

public java.lang.String getColumnForReaderFromPath(org.apache.iotdb.commons.path.PartialPath path,
                                                   int pathIndex)

getColumnForDisplay

public java.lang.String getColumnForDisplay(java.lang.String columnForReader,
                                            int pathIndex)

isEnableRedirect

public boolean isEnableRedirect()

setEnableRedirect

public void setEnableRedirect(boolean enableRedirect)

isEnableTracing

public boolean isEnableTracing()

setEnableTracing

public void setEnableTracing(boolean enableTracing)

getResultColumns

public java.util.List<ResultColumn> getResultColumns()

setResultColumns

public void setResultColumns(java.util.List<ResultColumn> resultColumns)

isWithoutAnyNull

public boolean isWithoutAnyNull()

setWithoutAnyNull

public void setWithoutAnyNull(boolean withoutAnyNull)

isWithoutAllNull

public boolean isWithoutAllNull()

setWithoutAllNull

public void setWithoutAllNull(boolean withoutAllNull)