com.orientechnologies.orient.core.sql.executor

Class OSelectExecutionPlan

java.lang.Object

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

All Implemented Interfaces:

OExecutionPlan, OInternalExecutionPlan, Serializable

Direct Known Subclasses:

OInsertExecutionPlan, OUpdateExecutionPlan

public class OSelectExecutionPlan
extends Object
implements OInternalExecutionPlan

Created by luigidellaquila on 06/07/16.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected List<OExecutionStepInternal>	steps

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

JAVA_TYPE

Constructor Summary

Constructors

Constructor and Description
OSelectExecutionPlan(OCommandContext ctx)

Method Summary

Modifier and Type	Method and Description
boolean	canBeCached()
void	chain(OExecutionStepInternal nextStep)
void	close()
OInternalExecutionPlan	copy(OCommandContext ctx)
protected void	copyOn(OSelectExecutionPlan copy, OCommandContext ctx)
void	deserialize(OResult serializedExecutionPlan)
OResultSet	fetchNext(int n) if the execution can still return N elements, then the result will contain them all.
long	getCost()
String	getStatement()
List<OExecutionStep>	getSteps()
String	prettyPrint(int depth, int indent)
void	reset(OCommandContext ctx)
OResult	serialize()
void	setStatement(String statement)
void	setSteps(List<OExecutionStepInternal> steps)
OResult	toResult()

Methods inherited from class java.lang.Object

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

Field Detail

steps

protected List<OExecutionStepInternal> steps

Constructor Detail

OSelectExecutionPlan

public OSelectExecutionPlan(OCommandContext ctx)

Method Detail

close

public void close()

Specified by:

close in interface OInternalExecutionPlan

fetchNext

public OResultSet fetchNext(int n)

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:

fetchNext in interface OInternalExecutionPlan

Returns:

prettyPrint

public String prettyPrint(int depth,
                          int indent)

Specified by:

prettyPrint in interface OExecutionPlan

reset

public void reset(OCommandContext ctx)

Specified by:

reset in interface OInternalExecutionPlan

chain

public void chain(OExecutionStepInternal nextStep)

getSteps

public List<OExecutionStep> getSteps()

Specified by:

getSteps in interface OExecutionPlan

setSteps

public void setSteps(List<OExecutionStepInternal> steps)

toResult

public OResult toResult()

Specified by:

toResult in interface OExecutionPlan

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