Class RunTimeStatisticsImpl

java.lang.Object
org.apache.derby.impl.sql.execute.rts.RunTimeStatisticsImpl
All Implemented Interfaces:
RunTimeStatistics
public final class RunTimeStatisticsImpl extends Object implements RunTimeStatistics
RunTimeStatistics implemenation.

  • Field Details

    • statementText

      public String statementText

    • statementName

      public String statementName

    • spsName

      public 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 Timestamp beginCompilationTimestamp

    • endCompilationTimestamp

      public Timestamp endCompilationTimestamp

    • beginExecutionTimestamp

      public Timestamp beginExecutionTimestamp

    • endExecutionTimestamp

      public Timestamp endExecutionTimestamp

    • topResultSetStatistics

      public ResultSetStatistics topResultSetStatistics

    • subqueryTrackingArray

      public ResultSetStatistics[] subqueryTrackingArray

  • Constructor Details

    • RunTimeStatisticsImpl

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

  • Method Details

    • 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 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 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 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 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 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 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 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 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 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 String getScanStatisticsText(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 String toString()
      Overrides:
      toString in class Object

    • getChildren

      public Vector<ResultSetStatistics> 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.

    • acceptFromTopResultSet

      public void acceptFromTopResultSet(XPLAINVisitor v)
      initiate a visit of an XPLAINVisitor from the top of the RS tree
      Specified by:
      acceptFromTopResultSet in interface RunTimeStatistics
      Parameters:
      v - the visitor that wishes to visit the tree.