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

Class SubQueryStep

java.lang.Object

com.orientechnologies.orient.core.sql.executor.AbstractExecutionStep

com.orientechnologies.orient.core.sql.executor.SubQueryStep

All Implemented Interfaces:

OExecutionStep, OExecutionStepInternal

public class SubQueryStep
extends AbstractExecutionStep

Created by luigidellaquila on 22/07/16.

Field Summary

Fields inherited from class com.orientechnologies.orient.core.sql.executor.AbstractExecutionStep

ctx, next, prev, profilingEnabled, timedOut

Constructor Summary

Constructors

Constructor	Description
SubQueryStep(OInternalExecutionPlan subExecutionPlan, OCommandContext ctx, OCommandContext subCtx, boolean profilingEnabled)	executes a sub-query

Method Summary

Modifier and Type	Method	Description
boolean	canBeCached()
OExecutionStep	copy(OCommandContext ctx)
String	prettyPrint(int depth, int indent)
OResultSet	syncPull(OCommandContext ctx, int nRecords)

Methods inherited from class com.orientechnologies.orient.core.sql.executor.AbstractExecutionStep

close, getContext, getCostFormatted, getNext, getPrev, isProfilingEnabled, sendTimeout, setNext, setPrevious, setProfilingEnabled

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.OExecutionStep

getCost, toResult

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

deserialize, getDescription, getName, getSubExecutionPlans, getSubSteps, getTargetNode, getType, reset, serialize

Constructor Details

SubQueryStep

public SubQueryStep(OInternalExecutionPlan subExecutionPlan,
 OCommandContext ctx,
 OCommandContext subCtx,
 boolean profilingEnabled)

executes a sub-query

Parameters:

subExecutionPlan - the execution plan of the sub-query

ctx - the context of the current execution plan

subCtx - the context of the subquery execution plan

Method Details

syncPull

public OResultSet syncPull(OCommandContext ctx,
 int nRecords)
                    throws OTimeoutException

Throws:

OTimeoutException

prettyPrint

public String prettyPrint(int depth,
 int indent)

canBeCached

public boolean canBeCached()

copy

public OExecutionStep copy(OCommandContext ctx)