Package com.orientechnologies.orient.core.sql.executor

Class OSelectExecutionPlan

java.lang.Object

com.orientechnologies.orient.core.sql.executor.OSelectExecutionPlan

All Implemented Interfaces:

OExecutionPlanContextOps, OInternalExecutionPlan

Direct Known Subclasses:

OInsertExecutionPlan, OUpdateExecutionPlan

public class OSelectExecutionPlan
extends Object
implements OInternalExecutionPlan

Created by luigidellaquila on 06/07/16.

Field Summary

Fields

Modifier and Type	Field	Description
protected List<OExecutionStepInternal>	steps

Fields inherited from interface com.orientechnologies.orient.core.sql.executor.OInternalExecutionPlan

JAVA_TYPE

Constructor Summary

Constructors

Constructor	Description
OSelectExecutionPlan()

Method Summary

Modifier and Type	Method	Description
boolean	canBeCached()
void	chain(OExecutionStepInternal nextStep)
OInternalExecutionPlan	copy(OCommandContext ctx)
protected void	copyOn(OSelectExecutionPlan copy, OCommandContext ctx)
void	deserialize(OResult serializedExecutionPlan)
long	getCost()
String	getGenericStatement()
Set<String>	getIndexes()
String	getStatement()
List<OExecutionStepInternal>	getSteps()
String	prettyPrint(OPrintContext ctx)
OResult	serialize()
void	setGenericStatement(String stm)
void	setStatement(String statement)
void	setSteps(List<OExecutionStepInternal> steps)
OExecutionStream	start(OCommandContext ctx)	if the execution can still return N elements, then the result will contain them all.
OResult	toResult(OToResultContext ctx)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.orientechnologies.orient.core.sql.executor.OInternalExecutionPlan

isExplain

Field Details

steps

protected List<OExecutionStepInternal> steps

Constructor Details

OSelectExecutionPlan

public OSelectExecutionPlan()

Method Details

start

public OExecutionStream start(OCommandContext ctx)

Description copied from interface: OInternalExecutionPlan

if the execution can still return N elements, then the result will contain them all. If the execution contains less than N elements, then the result will contain them all, next result(s) will contain zero elements

Specified by:

start in interface OInternalExecutionPlan

Parameters:

ctx - TODO

Returns:

prettyPrint

public String prettyPrint(OPrintContext ctx)

Specified by:

prettyPrint in interface OInternalExecutionPlan

chain

public void chain(OExecutionStepInternal nextStep)

getSteps

public List<OExecutionStepInternal> getSteps()

Specified by:

getSteps in interface OInternalExecutionPlan

setSteps

public void setSteps(List<OExecutionStepInternal> steps)

toResult

public OResult toResult(OToResultContext ctx)

Specified by:

toResult in interface OExecutionPlanContextOps

Specified by:

toResult in interface OInternalExecutionPlan

getCost

public long getCost()

Specified by:

getCost in interface OInternalExecutionPlan

serialize

public OResult serialize()

Specified by:

serialize in interface OInternalExecutionPlan

deserialize

public void deserialize(OResult serializedExecutionPlan)

Specified by:

deserialize in interface OInternalExecutionPlan

copy

public OInternalExecutionPlan copy(OCommandContext ctx)

Specified by:

copy in interface OInternalExecutionPlan

copyOn

protected void copyOn(OSelectExecutionPlan copy,
 OCommandContext ctx)

canBeCached

public boolean canBeCached()

Specified by:

canBeCached in interface OInternalExecutionPlan

getStatement

public String getStatement()

Specified by:

getStatement in interface OInternalExecutionPlan

setStatement

public void setStatement(String statement)

Specified by:

setStatement in interface OInternalExecutionPlan

getGenericStatement

public String getGenericStatement()

Specified by:

getGenericStatement in interface OInternalExecutionPlan

setGenericStatement

public void setGenericStatement(String stm)

Specified by:

setGenericStatement in interface OInternalExecutionPlan

getIndexes

public Set<String> getIndexes()

Specified by:

getIndexes in interface OInternalExecutionPlan