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

Class LastQueryOperator

java.lang.Object

org.apache.iotdb.db.qp.logical.Operator

org.apache.iotdb.db.qp.logical.crud.QueryOperator

org.apache.iotdb.db.qp.logical.crud.LastQueryOperator

public class LastQueryOperator
extends QueryOperator

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iotdb.db.qp.logical.Operator

Operator.OperatorType

Field Summary

Fields inherited from class org.apache.iotdb.db.qp.logical.crud.QueryOperator

enableTracing, fromComponent, indexType, props, selectComponent, specialClauseComponent, whereComponent

Fields inherited from class org.apache.iotdb.db.qp.logical.Operator

isDebug, isPrefixMatchPath, operatorType, tokenIntType

Constructor Summary

Constructors

Constructor	Description
LastQueryOperator()
LastQueryOperator(QueryOperator queryOperator)

Method Summary

Modifier and Type	Method	Description
void	check()
PhysicalPlan	generatePhysicalPlan(PhysicalGenerator generator)

Methods inherited from class org.apache.iotdb.db.qp.logical.crud.QueryOperator

generateAlignByDevicePlan, generateRawDataQueryPlan, getAliasSet, getFromComponent, getIndexType, getLevels, getMatchedDevices, getMatchedTimeseries, getProps, getSelectComponent, getSpecialClauseComponent, getWhereComponent, hasAggregationFunction, hasSlimit, hasSoffset, hasTimeSeriesGeneratingFunction, isAlignByDevice, isAlignByTime, isEnableTracing, isGroupByLevel, optimizeExpression, resetSLimitOffset, setAliasSet, setEnableTracing, setFromComponent, setIndexType, setProps, setSelectComponent, setSpecialClauseComponent, setWhereComponent, transformFilterOperatorToExpression

Methods inherited from class org.apache.iotdb.db.qp.logical.Operator

getTokenIntType, getType, isDebug, isPrefixMatchPath, isQuery, setDebug, setOperatorType, setPrefixMatchPath, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

LastQueryOperator

public LastQueryOperator()

LastQueryOperator

public LastQueryOperator(QueryOperator queryOperator)

Method Detail

check

public void check()
           throws LogicalOperatorException

Overrides:

check in class QueryOperator

Throws:

LogicalOperatorException

generatePhysicalPlan

public PhysicalPlan generatePhysicalPlan(PhysicalGenerator generator)
                                  throws QueryProcessException

Overrides:

generatePhysicalPlan in class QueryOperator

Throws:

QueryProcessException