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

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

abstract class RealBasicNoPutResultSetStatistics
extends java.lang.Object
implements ResultSetStatistics

ResultSetStatistics implemenation for BasicNoPutResultSetImpl.


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.
 java.lang.Object getResultSetDescriptor(java.lang.Object rsID, java.lang.Object parentID, java.lang.Object scanID, java.lang.Object sortID, java.lang.Object stmtID, java.lang.Object timingID)
           
 java.lang.Object getResultSetTimingsDescriptor(java.lang.Object timingID)
           
 java.lang.String getRSXplainDetails()
           
 java.lang.Object getScanPropsDescriptor(java.lang.Object UUID)
           
 java.lang.Object getSortPropsDescriptor(java.lang.Object UUID)
           
 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
 
Methods inherited from interface org.apache.derby.iapi.sql.execute.xplain.XPLAINable
accept, getRSXplainType
 

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.

getRSXplainDetails

public java.lang.String getRSXplainDetails()
Specified by:
getRSXplainDetails in interface XPLAINable

getResultSetDescriptor

public java.lang.Object getResultSetDescriptor(java.lang.Object rsID,
                                               java.lang.Object parentID,
                                               java.lang.Object scanID,
                                               java.lang.Object sortID,
                                               java.lang.Object stmtID,
                                               java.lang.Object timingID)
Specified by:
getResultSetDescriptor in interface XPLAINable

getResultSetTimingsDescriptor

public java.lang.Object getResultSetTimingsDescriptor(java.lang.Object timingID)
Specified by:
getResultSetTimingsDescriptor in interface XPLAINable

getSortPropsDescriptor

public java.lang.Object getSortPropsDescriptor(java.lang.Object UUID)
Specified by:
getSortPropsDescriptor in interface XPLAINable

getScanPropsDescriptor

public java.lang.Object getScanPropsDescriptor(java.lang.Object UUID)
Specified by:
getScanPropsDescriptor in interface XPLAINable

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