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

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

public class RealNestedLoopJoinStatistics
extends RealJoinResultSetStatistics

ResultSetStatistics implemenation for NestedLoopJoinResultSet.

Author:
jerry

Field Summary
 ResultSetStatistics leftResultSetStatistics
           
protected  java.lang.String nodeName
           
 boolean oneRowRightSide
           
protected  java.lang.String resultSetName
           
 ResultSetStatistics rightResultSetStatistics
           
 
Fields inherited from class org.apache.derby.impl.sql.execute.rts.RealJoinResultSetStatistics
closeTime, constructorTime, indent, inspectDesc, inspectNum, inspectOverall, nextTime, numOpens, openTime, optimizerEstimatedCost, optimizerEstimatedRowCount, restrictionTime, resultSetNumber, rowsFiltered, rowsReturned, rowsSeen, rowsSeenLeft, rowsSeenRight, sourceDepth, subIndent
 
Constructor Summary
RealNestedLoopJoinStatistics(int numOpens, int rowsSeen, int rowsFiltered, long constructorTime, long openTime, long nextTime, long closeTime, int resultSetNumber, int rowsSeenLeft, int rowsSeenRight, int rowsReturned, long restrictionTime, boolean oneRowRightSide, double optimizerEstimatedRowCount, double optimizerEstimatedCost, ResultSetStatistics leftResultSetStatistics, ResultSetStatistics rightResultSetStatistics)
           
 
Method Summary
 java.util.Vector getChildren()
          Get the objects to be displayed when this tree object is expanded.
 java.lang.String getNodeName()
          Format for display, a name for this node.
 java.lang.String getScanStatisticsText(java.lang.String tableName, int depth)
          Return information on the scan nodes from the statement execution plan as a String.
 java.lang.String getStatementExecutionPlanText(int depth)
          Return the statement execution plan as a String.
protected  void setNames()
           
 java.lang.String toString()
           
 
Methods inherited from class org.apache.derby.impl.sql.execute.rts.RealJoinResultSetStatistics
dumpEstimatedCosts, dumpTimeStats, getChildrenTime, getEstimatedRowCount, getNodeOn, getNodeTime, getTotalTime, initFormatInfo
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

oneRowRightSide

public boolean oneRowRightSide

leftResultSetStatistics

public ResultSetStatistics leftResultSetStatistics

rightResultSetStatistics

public ResultSetStatistics rightResultSetStatistics

nodeName

protected java.lang.String nodeName

resultSetName

protected java.lang.String resultSetName
Constructor Detail

RealNestedLoopJoinStatistics

public RealNestedLoopJoinStatistics(int numOpens,
                                    int rowsSeen,
                                    int rowsFiltered,
                                    long constructorTime,
                                    long openTime,
                                    long nextTime,
                                    long closeTime,
                                    int resultSetNumber,
                                    int rowsSeenLeft,
                                    int rowsSeenRight,
                                    int rowsReturned,
                                    long restrictionTime,
                                    boolean oneRowRightSide,
                                    double optimizerEstimatedRowCount,
                                    double optimizerEstimatedCost,
                                    ResultSetStatistics leftResultSetStatistics,
                                    ResultSetStatistics rightResultSetStatistics)
Method Detail

getStatementExecutionPlanText

public java.lang.String getStatementExecutionPlanText(int depth)
Return the statement execution plan as a String.

Parameters:
depth - Indentation level.
Returns:
String The statement execution plan as a String.

getScanStatisticsText

public java.lang.String getScanStatisticsText(java.lang.String tableName,
                                              int depth)
Return information on the scan nodes from the statement execution plan as a String.

Parameters:
depth - Indentation level.
tableName - if not NULL then print information for this table only
Returns:
String The information on the scan nodes from the statement execution plan as a String.

toString

public java.lang.String toString()

getChildren

public java.util.Vector getChildren()
Description copied from class: RealBasicNoPutResultSetStatistics
Get the objects to be displayed when this tree object is expanded.

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

Overrides:
getChildren in class RealBasicNoPutResultSetStatistics
Returns:
java.util.Vector A vector of objects.

getNodeName

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

Overrides:
getNodeName in class RealJoinResultSetStatistics

setNames

protected void setNames()

Built on Tue 2006-10-10 19:23:47+0200, from revision exported

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