Package com.arcadedb.query.sql.executor

Class SelectExecutionPlan

java.lang.Object

com.arcadedb.query.sql.executor.SelectExecutionPlan

All Implemented Interfaces:

ExecutionPlan, InternalExecutionPlan, Serializable

Direct Known Subclasses:

InsertExecutionPlan, UpdateExecutionPlan

public class SelectExecutionPlan
extends Object
implements InternalExecutionPlan

Created by luigidellaquila on 06/07/16.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected List<ExecutionStepInternal>	steps

Fields inherited from interface com.arcadedb.query.sql.executor.InternalExecutionPlan

JAVA_TYPE

Constructor Summary

Constructors

Constructor	Description
SelectExecutionPlan(CommandContext ctx)

Method Summary

Modifier and Type	Method	Description
boolean	canBeCached()
void	chain(ExecutionStepInternal nextStep)
void	close()
InternalExecutionPlan	copy(CommandContext ctx)
void	deserialize(Result serializedExecutionPlan)
ResultSet	fetchNext(int n)	if the execution can still return N elements, then the result will contain them all.
long	getCost()
List<ExecutionStep>	getSteps()
String	prettyPrint(int depth, int indent)
void	reset(CommandContext ctx)
Result	serialize()
void	setSteps(List<ExecutionStepInternal> steps)
Result	toResult()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.arcadedb.query.sql.executor.InternalExecutionPlan

getStatement, setStatement

Field Detail

steps

protected List<ExecutionStepInternal> steps

Constructor Detail

SelectExecutionPlan

public SelectExecutionPlan(CommandContext ctx)

Method Detail

close

public void close()

Specified by:

close in interface InternalExecutionPlan

fetchNext

public ResultSet fetchNext(int n)

Description copied from interface: InternalExecutionPlan

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 InternalExecutionPlan

Returns:

prettyPrint

public String prettyPrint(int depth,
                          int indent)

Specified by:

prettyPrint in interface ExecutionPlan

reset

public void reset(CommandContext ctx)

Specified by:

reset in interface InternalExecutionPlan

chain

public void chain(ExecutionStepInternal nextStep)

getSteps

public List<ExecutionStep> getSteps()

Specified by:

getSteps in interface ExecutionPlan

setSteps

public void setSteps(List<ExecutionStepInternal> steps)

toResult

public Result toResult()

Specified by:

toResult in interface ExecutionPlan

getCost

public long getCost()

Specified by:

getCost in interface InternalExecutionPlan

serialize

public Result serialize()

Specified by:

serialize in interface InternalExecutionPlan

deserialize

public void deserialize(Result serializedExecutionPlan)

Specified by:

deserialize in interface InternalExecutionPlan

copy

public InternalExecutionPlan copy(CommandContext ctx)

Specified by:

copy in interface InternalExecutionPlan

canBeCached

public boolean canBeCached()

Specified by:

canBeCached in interface InternalExecutionPlan