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

Class UDTFPlan

java.lang.Object

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

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

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

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

All Implemented Interfaces:

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

Direct Known Subclasses:

UDAFPlan

public class UDTFPlan
extends RawDataQueryPlan
implements UDFPlan

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.Map<java.lang.Integer,java.lang.Integer>	datasetOutputIndexToResultColumnIndex
protected java.util.Map<java.lang.String,java.lang.Integer>	pathNameToReaderIndex
protected UDTFContext	udtfContext

Fields inherited from class org.apache.iotdb.db.qp.physical.crud.QueryPlan

paths, resultColumns, WITHOUT_NULL_FILTER_ERROR_MESSAGE, withoutNullColumnsIndex

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

canBeSplit, index

Constructor Summary

Constructors

Constructor	Description
UDTFPlan(java.time.ZoneId zoneId)

Method Summary

Modifier and Type	Method	Description
void	constructUdfExecutors(java.util.List<ResultColumn> resultColumns)	Build the execution plan of the executors.
void	deduplicate(PhysicalGenerator physicalGenerator)
void	finalizeUDFExecutors(long queryId)	Call UDF finalization methods and release computing resources.
java.util.List<org.apache.iotdb.commons.path.PartialPath>	getAuthPaths()	Used to check whether a user has the permission to execute the plan with these paths.
java.lang.Integer	getReaderIndexByExpressionName(java.lang.String expressionName)
ResultColumn	getResultColumnByDatasetOutputIndex(int datasetOutputIndex)
UDTFContext	getUdtfContext()
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)
protected void	setDatasetOutputIndexToResultColumnIndex(int datasetOutputIndex, java.lang.Integer originalIndex)

Methods inherited from class org.apache.iotdb.db.qp.physical.crud.RawDataQueryPlan

addDeduplicatedPaths, addFilterPathInDeviceToMeasurements, convertSpecialClauseValues, getAllMeasurementsInDevice, getDeduplicatedDataTypes, getDeduplicatedPaths, getDeviceToMeasurements, getExpression, groupVectorPaths, setDeduplicatedPaths, setDeduplicatedPathsAndUpdate, setDeduplicatedVectorPaths, setExpression, transformToVector, updateDeviceMeasurementsUsingExpression

Methods inherited from class org.apache.iotdb.db.qp.physical.crud.QueryPlan

getColumnForDisplay, getColumnForReaderFromPath, getDataTypes, getPaths, getPathToIndex, getResultColumns, getRowLimit, getRowOffset, getTSExecuteStatementResp, getWithoutNullColumnsIndex, hasLimit, isAlignByTime, isAscending, isEnableRedirect, isEnableTracing, isGroupByLevel, isWithoutAllNull, isWithoutAnyNull, setAlignByTime, setAscending, setColumnNameToDatasetOutputIndex, setEnableRedirect, setEnableTracing, setPaths, setResultColumns, setRowLimit, setRowOffset, setWithoutAllNull, setWithoutAnyNull

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

canBeSplit, checkIntegrity, deserialize, deserialize, getAggregations, 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

udtfContext

protected final UDTFContext udtfContext

datasetOutputIndexToResultColumnIndex

protected final java.util.Map<java.lang.Integer,java.lang.Integer> datasetOutputIndexToResultColumnIndex

pathNameToReaderIndex

protected final java.util.Map<java.lang.String,java.lang.Integer> pathNameToReaderIndex

Constructor Detail

UDTFPlan

public UDTFPlan(java.time.ZoneId zoneId)

Method Detail

deduplicate

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

Overrides:

deduplicate in class RawDataQueryPlan

Throws:

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)

Overrides:

getWideQueryHeaders in class QueryPlan

setDatasetOutputIndexToResultColumnIndex

protected void setDatasetOutputIndexToResultColumnIndex(int datasetOutputIndex,
                                                        java.lang.Integer originalIndex)

getAuthPaths

public java.util.List<org.apache.iotdb.commons.path.PartialPath> getAuthPaths()

Description copied from class: PhysicalPlan

Used to check whether a user has the permission to execute the plan with these paths.

Overrides:

getAuthPaths in class PhysicalPlan

constructUdfExecutors

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

Description copied from interface: UDFPlan

Build the execution plan of the executors. This method will not create any UDF instances, nor will it execute user-defined logic.

Specified by:

constructUdfExecutors in interface UDFPlan

finalizeUDFExecutors

public void finalizeUDFExecutors(long queryId)

Description copied from interface: UDFPlan

Call UDF finalization methods and release computing resources.

Specified by:

finalizeUDFExecutors in interface UDFPlan

getResultColumnByDatasetOutputIndex

public ResultColumn getResultColumnByDatasetOutputIndex(int datasetOutputIndex)

getReaderIndexByExpressionName

public java.lang.Integer getReaderIndexByExpressionName(java.lang.String expressionName)

getUdtfContext

public UDTFContext getUdtfContext()