org.h2.engine

类 QueryStatisticsData.QueryEntry

java.lang.Object

org.h2.engine.QueryStatisticsData.QueryEntry

封闭类:

QueryStatisticsData

public static final class QueryStatisticsData.QueryEntry
extends Object

The collected statistics for one query.

字段概要

字段

限定符和类型	字段和说明
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.
long	rowCountMax The maximum number of rows.
double	rowCountMean The mean number of rows.
long	rowCountMin The minimum number of rows.
String	sqlStatement The SQL statement.

构造器概要

构造器

构造器和说明
QueryEntry(String sql)

方法概要

限定符和类型	方法和说明
double	getExecutionTimeStandardDeviation()
double	getRowCountStandardDeviation()

从类继承的方法 java.lang.Object

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

字段详细资料

sqlStatement

public final 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 long rowCountMin

The minimum number of rows.

rowCountMax

public long 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.

构造器详细资料

QueryEntry

public QueryEntry(String sql)

方法详细资料

getExecutionTimeStandardDeviation

public double getExecutionTimeStandardDeviation()

getRowCountStandardDeviation

public double getRowCountStandardDeviation()