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

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.RealScalarAggregateStatistics
              extended byorg.apache.derby.impl.sql.execute.rts.RealDistinctScalarAggregateStatistics
All Implemented Interfaces:
ResultSetStatistics

public class RealDistinctScalarAggregateStatistics
extends RealScalarAggregateStatistics

ResultSetStatistics implemenation for DistinctScalarAggregateResultSet.

Author:
jerry

Field Summary
 int rowsInput
           
 
Fields inherited from class org.apache.derby.impl.sql.execute.rts.RealScalarAggregateStatistics
childResultSetStatistics, closeTime, constructorTime, indent, indexKeyOptimization, inspectDesc, inspectNum, inspectOverall, nextTime, numOpens, openTime, optimizerEstimatedCost, optimizerEstimatedRowCount, resultSetNumber, rowsFiltered, rowsSeen, sourceDepth, subIndent
 
Constructor Summary
RealDistinctScalarAggregateStatistics(int numOpens, int rowsSeen, int rowsFiltered, long constructorTime, long openTime, long nextTime, long closeTime, int resultSetNumber, int rowsInput, double optimizerEstimatedRowCount, double optimizerEstimatedCost, ResultSetStatistics childResultSetStatistics)
           
 
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.
 java.lang.String toString()
           
 
Methods inherited from class org.apache.derby.impl.sql.execute.rts.RealScalarAggregateStatistics
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

rowsInput

public int rowsInput
Constructor Detail

RealDistinctScalarAggregateStatistics

public RealDistinctScalarAggregateStatistics(int numOpens,
                                             int rowsSeen,
                                             int rowsFiltered,
                                             long constructorTime,
                                             long openTime,
                                             long nextTime,
                                             long closeTime,
                                             int resultSetNumber,
                                             int rowsInput,
                                             double optimizerEstimatedRowCount,
                                             double optimizerEstimatedCost,
                                             ResultSetStatistics childResultSetStatistics)
Method Detail

getStatementExecutionPlanText

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

Specified by:
getStatementExecutionPlanText in interface ResultSetStatistics
Overrides:
getStatementExecutionPlanText in class RealScalarAggregateStatistics
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.

Specified by:
getScanStatisticsText in interface ResultSetStatistics
Overrides:
getScanStatisticsText in class RealScalarAggregateStatistics
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()
Overrides:
toString in class RealScalarAggregateStatistics

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 RealScalarAggregateStatistics

getNodeName

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

Overrides:
getNodeName in class RealScalarAggregateStatistics


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