Package com.arcadedb.query.sql.executor

Class CountStep

java.lang.Object

com.arcadedb.query.sql.executor.AbstractExecutionStep

com.arcadedb.query.sql.executor.CountStep

All Implemented Interfaces:

ExecutionStep, ExecutionStepInternal

public class CountStep
extends AbstractExecutionStep

Counts the records from the previous steps. Returns a record with a single property, called "count" containing the count of records received from pervious steps

Author:

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

Field Summary

Fields inherited from class com.arcadedb.query.sql.executor.AbstractExecutionStep

context, cost, DEFAULT_FETCH_RECORDS_PER_PULL, prev, timedOut

Constructor Summary

Constructors

Constructor	Description
CountStep(CommandContext context)

Method Summary

Modifier and Type	Method	Description
ExecutionStep	copy(CommandContext context)
String	prettyPrint(int depth, int indent)
ResultSet	syncPull(CommandContext context, int nRecords)

Methods inherited from class com.arcadedb.query.sql.executor.AbstractExecutionStep

checkForPrevious, checkForPrevious, close, getContext, getCost, getCostFormatted, getPrev, isTimedOut, pullPrevious, sendTimeout, setPrevious

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.ExecutionStep

toResult

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

canBeCached, getDescription, getName, getSubExecutionPlans, getSubSteps, getType, reset

Constructor Detail

CountStep

public CountStep(CommandContext context)

Parameters:

context - the query context

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

Method Detail

syncPull

public ResultSet syncPull(CommandContext context,
                          int nRecords)
                   throws TimeoutException

Throws:

TimeoutException

prettyPrint

public String prettyPrint(int depth,
                          int indent)

copy

public ExecutionStep copy(CommandContext context)