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

java.lang.Object
  org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics

All Implemented Interfaces:

ResultSetStatistics, XPLAINable

Direct Known Subclasses:

RealNoPutResultSetStatistics

abstract class RealBasicNoPutResultSetStatistics
extends java.lang.Object
implements ResultSetStatistics

ResultSetStatistics implemenation for BasicNoPutResultSetImpl.

Field Summary

long	closeTime
long	constructorTime
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.
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.iapi.sql.execute.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

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.

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