com.orientechnologies.orient.core.sql.executor

Class CountFromIndexStep

java.lang.Object

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

com.orientechnologies.orient.core.sql.executor.CountFromIndexStep

All Implemented Interfaces:

OExecutionStep, OExecutionStepInternal

public class CountFromIndexStep
extends AbstractExecutionStep

Returns the number of records contained in an index

Author:

Luigi Dell'Aquila (luigi.dellaquila - at - gmail.com)

Field Summary

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

ctx, next, prev, profilingEnabled, timedOut

Constructor Summary

Constructors

Constructor and Description
CountFromIndexStep(OIndexIdentifier targetIndex, String alias, OCommandContext ctx, boolean profilingEnabled)

Method Summary

Modifier and Type	Method and Description
String	prettyPrint(int depth, int indent)
void	reset()
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.OExecutionStepInternal

basicDeserialize, basicSerialize, canBeCached, copy, deserialize, getDescription, getIndent, getName, getSubExecutionPlans, getSubSteps, getTargetNode, getType, serialize

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

getCost, toResult

Constructor Detail

CountFromIndexStep

public CountFromIndexStep(OIndexIdentifier targetIndex,
                          String alias,
                          OCommandContext ctx,
                          boolean profilingEnabled)

Parameters:

targetIndex - the index name as it is parsed by the SQL parsed

alias - the name of the property returned in the result-set

ctx - the query context

profilingEnabled - true to enable the profiling of the execution (for SQL PROFILE)

Method Detail

syncPull

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

Throws:

OTimeoutException

reset

public void reset()

prettyPrint

public String prettyPrint(int depth,
                          int indent)