org.apache.derby.impl.sql.execute.rts
Class RealBasicNoPutResultSetStatistics

java.lang.Object
  extended byorg.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics
All Implemented Interfaces:
ResultSetStatistics
Direct Known Subclasses:
RealNoPutResultSetStatistics

abstract class RealBasicNoPutResultSetStatistics
extends java.lang.Object
implements ResultSetStatistics

ResultSetStatistics implemenation for BasicNoPutResultSetImpl.

Author:
jerry

Field Summary
 long closeTime
           
 long constructorTime
           
private static java.text.DecimalFormat df
          Format a double as a String with leading spaces and two digits after the decimal.
 java.lang.String inspectDesc
           
 long inspectNum
           
 long inspectOverall
           
 long nextTime
           
 int numOpens
           
 long openTime
           
 double optimizerEstimatedCost
           
 double optimizerEstimatedRowCount
           
 int rowsFiltered
           
 int rowsSeen
           
 
Constructor Summary
RealBasicNoPutResultSetStatistics(int numOpens, int rowsSeen, int rowsFiltered, long constructorTime, long openTime, long nextTime, long closeTime, double optimizerEstimatedRowCount, double optimizerEstimatedCost)
           
 
Method Summary
protected  java.lang.String dumpEstimatedCosts(java.lang.String subIndent)
          Dump out the estimated cost information
protected  java.lang.String dumpTimeStats(java.lang.String indent, java.lang.String subIndent)
          Dump out the time information for run time stats.
private  java.lang.String formatDouble(double toFormat)
           
 java.util.Vector getChildren()
          Get the objects to be displayed when this tree object is expanded.
 long getChildrenTime()
          Return the time for all operations performed by the children of this node.
 double getEstimatedRowCount()
          Get the estimated row count for the number of rows returned by the associated query or statement.
abstract  java.lang.String getNodeName()
          Format for display, a name for this node.
 java.lang.String getNodeOn()
          If this node is on a database item (like a table or an index), then provide a string that describes the on item.
 long getNodeTime()
          Return the time for all operations performed by this node, but not the time for the children of this node.
 long getTotalTime()
          Return the time for all operations performed by this node, and the children of this node.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.derby.impl.sql.execute.rts.ResultSetStatistics
getScanStatisticsText, getStatementExecutionPlanText
 

Field Detail

numOpens

public int numOpens

rowsSeen

public int rowsSeen

rowsFiltered

public int rowsFiltered

constructorTime

public long constructorTime

openTime

public long openTime

nextTime

public long nextTime

closeTime

public long closeTime

inspectOverall

public long inspectOverall

inspectNum

public long inspectNum

inspectDesc

public java.lang.String inspectDesc

optimizerEstimatedRowCount

public double optimizerEstimatedRowCount

optimizerEstimatedCost

public double optimizerEstimatedCost

df

private static java.text.DecimalFormat df
Format a double as a String with leading spaces and two digits after the decimal.

Constructor Detail

RealBasicNoPutResultSetStatistics

public RealBasicNoPutResultSetStatistics(int numOpens,
                                         int rowsSeen,
                                         int rowsFiltered,
                                         long constructorTime,
                                         long openTime,
                                         long nextTime,
                                         long closeTime,
                                         double optimizerEstimatedRowCount,
                                         double optimizerEstimatedCost)
Method Detail

dumpTimeStats

protected final java.lang.String dumpTimeStats(java.lang.String indent,
                                               java.lang.String subIndent)
Dump out the time information for run time stats.

Returns:
Nothing.

dumpEstimatedCosts

protected final java.lang.String dumpEstimatedCosts(java.lang.String subIndent)
Dump out the estimated cost information

Returns:
Nothing.

formatDouble

private java.lang.String formatDouble(double toFormat)

getChildren

public java.util.Vector getChildren()
Get the objects to be displayed when this tree object is expanded.

The objects returned can be of any type, including addtional Inspectables.

Returns:
java.util.Vector A vector of objects.

getTotalTime

public long getTotalTime()
Return the time for all operations performed by this node, and the children of this node. The times included open, next, and close.


getChildrenTime

public long getChildrenTime()
Return the time for all operations performed by the children of this node.


getNodeTime

public long getNodeTime()
Return the time for all operations performed by this node, but not the time for the children of this node.


getNodeName

public abstract java.lang.String getNodeName()
Format for display, a name for this node.


getNodeOn

public java.lang.String getNodeOn()
If this node is on a database item (like a table or an index), then provide a string that describes the on item.


getEstimatedRowCount

public double getEstimatedRowCount()
Get the estimated row count for the number of rows returned by the associated query or statement.

Specified by:
getEstimatedRowCount in interface ResultSetStatistics
Returns:
The estimated number of rows returned by the associated query or statement.

Built on Mon 2007-06-04 09:58:47+0400, from revision ???

Apache Derby V10.1 Engine Documentation - Copyright © 1997,2005 The Apache Software Foundation or its licensors, as applicable.