org.h2.engine

Class QueryStatisticsData.QueryEntry

java.lang.Object

org.h2.engine.QueryStatisticsData.QueryEntry

Enclosing class:

QueryStatisticsData

public static final class QueryStatisticsData.QueryEntry
extends java.lang.Object

The collected statistics for one query.

Field Summary

Fields

Modifier and Type	Field and Description
int	count The number of times the statement was executed.
long	executionTimeCumulativeNanos The total execution time.
long	executionTimeMaxNanos The maximum execution time, in nanoseconds.
double	executionTimeMeanNanos The mean execution time.
long	executionTimeMinNanos The minimum execution time, in nanoseconds.
long	lastUpdateTime The last time the statistics for this entry were updated, in milliseconds since 1970.
long	rowCountCumulative The total number of rows.
int	rowCountMax The maximum number of rows.
double	rowCountMean The mean number of rows.
int	rowCountMin The minimum number of rows.
java.lang.String	sqlStatement The SQL statement.

Constructor Summary

Constructors

Constructor and Description
QueryStatisticsData.QueryEntry(java.lang.String sql)

Method Summary

Methods

Modifier and Type	Method and Description
double	getExecutionTimeStandardDeviation()
double	getRowCountStandardDeviation()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sqlStatement

public final java.lang.String sqlStatement

The SQL statement.

count

public int count

The number of times the statement was executed.

lastUpdateTime

public long lastUpdateTime

The last time the statistics for this entry were updated, in milliseconds since 1970.

executionTimeMinNanos

public long executionTimeMinNanos

The minimum execution time, in nanoseconds.

executionTimeMaxNanos

public long executionTimeMaxNanos

The maximum execution time, in nanoseconds.

executionTimeCumulativeNanos

public long executionTimeCumulativeNanos

The total execution time.

rowCountMin

public int rowCountMin

The minimum number of rows.

rowCountMax

public int rowCountMax

The maximum number of rows.

rowCountCumulative

public long rowCountCumulative

The total number of rows.

executionTimeMeanNanos

public double executionTimeMeanNanos

The mean execution time.

rowCountMean

public double rowCountMean

The mean number of rows.

Constructor Detail

QueryStatisticsData.QueryEntry

public QueryStatisticsData.QueryEntry(java.lang.String sql)

Method Detail

getExecutionTimeStandardDeviation

public double getExecutionTimeStandardDeviation()

getRowCountStandardDeviation

public double getRowCountStandardDeviation()