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

java.lang.Object
  extended byorg.apache.derby.impl.sql.execute.rts.RunTimeStatisticsImpl
All Implemented Interfaces:
RunTimeStatistics

public final class RunTimeStatisticsImpl
extends java.lang.Object
implements RunTimeStatistics

RunTimeStatistics implemenation.

Author:
jerry

Field Summary
 java.sql.Timestamp beginCompilationTimestamp
           
 java.sql.Timestamp beginExecutionTimestamp
           
 long bindTime
           
 long compileTime
           
 java.sql.Timestamp endCompilationTimestamp
           
 java.sql.Timestamp endExecutionTimestamp
           
 long executeTime
           
 long generateTime
           
 long optimizeTime
           
 long parseTime
           
 java.lang.String spsName
           
 java.lang.String statementName
           
 java.lang.String statementText
           
 ResultSetStatistics[] subqueryTrackingArray
           
 ResultSetStatistics topResultSetStatistics
           
 
Constructor Summary
RunTimeStatisticsImpl(java.lang.String spsName, java.lang.String statementName, java.lang.String statementText, long compileTime, long parseTime, long bindTime, long optimizeTime, long generateTime, long executeTime, java.sql.Timestamp beginCompilationTimestamp, java.sql.Timestamp endCompilationTimestamp, java.sql.Timestamp beginExecutionTimestamp, java.sql.Timestamp endExecutionTimestamp, ResultSetStatistics[] subqueryTrackingArray, ResultSetStatistics topResultSetStatistics)
           
 
Method Summary
 java.sql.Timestamp getBeginCompilationTimestamp()
          Get the timestamp for the beginning of query compilation.
 java.sql.Timestamp getBeginExecutionTimestamp()
          Get the timestamp for the beginning of query execution.
 long getBindTimeInMillis()
          Get the bind time for the associated query in milliseconds.
 java.util.Vector getChildren()
          Get the objects to be displayed when this tree object is expanded.
 long getCompileTimeInMillis()
          Get the total compile time for the associated query in milliseconds.
 java.sql.Timestamp getEndCompilationTimestamp()
          Get the timestamp for the end of query compilation.
 java.sql.Timestamp getEndExecutionTimestamp()
          Get the timestamp for the end of query execution.
 double getEstimatedRowCount()
          Get the estimated row count for the number of rows returned by the associated query or statement.
 long getExecuteTimeInMillis()
          Get the execute time for the associated query in milliseconds.
 long getGenerateTimeInMillis()
          Get the generate time for the associated query in milliseconds.
 long getOptimizeTimeInMillis()
          Get the optimize time for the associated query in milliseconds.
 long getParseTimeInMillis()
          Get the parse time for the associated query in milliseconds.
 java.lang.String getScanStatisticsText()
          Get the information on the nodes relating to table and index scans from the execution plan for the associated query or statement as a String.
 java.lang.String getScanStatisticsText(java.lang.String tableName)
          Get the information on the nodes relating to table and index scans for table tableName from the execution plan for the associated query or statement as a String.
 java.lang.String getSPSName()
          Get the name of the Stored Prepared Statement for the statement.
 java.lang.String getStatementExecutionPlanText()
          Get the execution plan for the associated query or statement as a String.
 java.lang.String getStatementName()
          Get the name of the associated query or statement.
 java.lang.String getStatementText()
          Get the text for the associated query or statement.
 java.lang.String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

statementText

public java.lang.String statementText

statementName

public java.lang.String statementName

spsName

public java.lang.String spsName

parseTime

public long parseTime

bindTime

public long bindTime

optimizeTime

public long optimizeTime

generateTime

public long generateTime

compileTime

public long compileTime

executeTime

public long executeTime

beginCompilationTimestamp

public java.sql.Timestamp beginCompilationTimestamp

endCompilationTimestamp

public java.sql.Timestamp endCompilationTimestamp

beginExecutionTimestamp

public java.sql.Timestamp beginExecutionTimestamp

endExecutionTimestamp

public java.sql.Timestamp endExecutionTimestamp

topResultSetStatistics

public ResultSetStatistics topResultSetStatistics

subqueryTrackingArray

public ResultSetStatistics[] subqueryTrackingArray
Constructor Detail

RunTimeStatisticsImpl

public RunTimeStatisticsImpl(java.lang.String spsName,
                             java.lang.String statementName,
                             java.lang.String statementText,
                             long compileTime,
                             long parseTime,
                             long bindTime,
                             long optimizeTime,
                             long generateTime,
                             long executeTime,
                             java.sql.Timestamp beginCompilationTimestamp,
                             java.sql.Timestamp endCompilationTimestamp,
                             java.sql.Timestamp beginExecutionTimestamp,
                             java.sql.Timestamp endExecutionTimestamp,
                             ResultSetStatistics[] subqueryTrackingArray,
                             ResultSetStatistics topResultSetStatistics)
Method Detail

getCompileTimeInMillis

public long getCompileTimeInMillis()
Get the total compile time for the associated query in milliseconds. Compile time can be divided into parse, bind, optimize and generate times.

Specified by:
getCompileTimeInMillis in interface RunTimeStatistics
Returns:
long The total compile time for the associated query in milliseconds.

getParseTimeInMillis

public long getParseTimeInMillis()
Get the parse time for the associated query in milliseconds.

Specified by:
getParseTimeInMillis in interface RunTimeStatistics
Returns:
long The parse time for the associated query in milliseconds.

getBindTimeInMillis

public long getBindTimeInMillis()
Get the bind time for the associated query in milliseconds.

Specified by:
getBindTimeInMillis in interface RunTimeStatistics
Returns:
long The bind time for the associated query in milliseconds.

getOptimizeTimeInMillis

public long getOptimizeTimeInMillis()
Get the optimize time for the associated query in milliseconds.

Specified by:
getOptimizeTimeInMillis in interface RunTimeStatistics
Returns:
long The optimize time for the associated query in milliseconds.

getGenerateTimeInMillis

public long getGenerateTimeInMillis()
Get the generate time for the associated query in milliseconds.

Specified by:
getGenerateTimeInMillis in interface RunTimeStatistics
Returns:
long The generate time for the associated query in milliseconds.

getExecuteTimeInMillis

public long getExecuteTimeInMillis()
Get the execute time for the associated query in milliseconds.

Specified by:
getExecuteTimeInMillis in interface RunTimeStatistics
Returns:
long The execute time for the associated query in milliseconds.

getBeginCompilationTimestamp

public java.sql.Timestamp getBeginCompilationTimestamp()
Get the timestamp for the beginning of query compilation.

Specified by:
getBeginCompilationTimestamp in interface RunTimeStatistics
Returns:
java.sql.Timestamp The timestamp for the beginning of query compilation.

getEndCompilationTimestamp

public java.sql.Timestamp getEndCompilationTimestamp()
Get the timestamp for the end of query compilation.

Specified by:
getEndCompilationTimestamp in interface RunTimeStatistics
Returns:
java.sql.Timestamp The timestamp for the end of query compilation.

getBeginExecutionTimestamp

public java.sql.Timestamp getBeginExecutionTimestamp()
Get the timestamp for the beginning of query execution.

Specified by:
getBeginExecutionTimestamp in interface RunTimeStatistics
Returns:
java.sql.Timestamp The timestamp for the beginning of query execution.

getEndExecutionTimestamp

public java.sql.Timestamp getEndExecutionTimestamp()
Get the timestamp for the end of query execution.

Specified by:
getEndExecutionTimestamp in interface RunTimeStatistics
Returns:
java.sql.Timestamp The timestamp for the end of query execution.

getStatementName

public java.lang.String getStatementName()
Get the name of the associated query or statement. (This will be an internally generated name if the user did not assign a name.)

Specified by:
getStatementName in interface RunTimeStatistics
Returns:
java.lang.String The name of the associated query or statement.

getSPSName

public java.lang.String getSPSName()
Get the name of the Stored Prepared Statement for the statement.

Specified by:
getSPSName in interface RunTimeStatistics
Returns:
java.lang.String The SPS name of the associated query or statement.

getStatementText

public java.lang.String getStatementText()
Get the text for the associated query or statement.

Specified by:
getStatementText in interface RunTimeStatistics
Returns:
java.lang.String The text for the associated query or statement.

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 RunTimeStatistics
Returns:
The estimated number of rows returned by the associated query or statement.

getStatementExecutionPlanText

public java.lang.String getStatementExecutionPlanText()
Get the execution plan for the associated query or statement as a String.

Specified by:
getStatementExecutionPlanText in interface RunTimeStatistics
Returns:
java.lang.String The execution plan for the associated query or statement.

getScanStatisticsText

public java.lang.String getScanStatisticsText()
Get the information on the nodes relating to table and index scans from the execution plan for the associated query or statement as a String.

Specified by:
getScanStatisticsText in interface RunTimeStatistics
Returns:
java.lang.String The nodes relating to table and index scans from the execution plan for the associated query or statement.

getScanStatisticsText

public java.lang.String getScanStatisticsText(java.lang.String tableName)
Get the information on the nodes relating to table and index scans for table tableName from the execution plan for the associated query or statement as a String.

Specified by:
getScanStatisticsText in interface RunTimeStatistics
Parameters:
tableName - table for which user seeks statistics.
Returns:
java.lang.String The nodes relating to table and index scans from the execution plan for the associated query or statement for tableName.

toString

public java.lang.String toString()

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.

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.