Class QueryStatisticsData.QueryEntry

java.lang.Object
org.h2.engine.QueryStatisticsData.QueryEntry
Enclosing class:
QueryStatisticsData
public static final class QueryStatisticsData.QueryEntry extends Object
The collected statistics for one query.

  • Field Details

    • 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.

    • executionTimeM2Nanos

      private double executionTimeM2Nanos

    • rowCountM2

      private double rowCountM2

  • Constructor Details

    • QueryEntry

      public QueryEntry(String sql)

  • Method Details

    • update

      void update(long timeNanos, long rows)
      Update the statistics entry.
      Parameters:
      timeNanos - the execution time in nanos
      rows - the number of rows

    • getExecutionTimeStandardDeviation

      public double getExecutionTimeStandardDeviation()

    • getRowCountStandardDeviation

      public double getRowCountStandardDeviation()