/// <summary>
/// Creates a new QueryMetrics from the backend delimited string and ClientSideMetrics.
/// </summary>
/// <param name="delimitedString">The backend delimited string to deserialize from.</param>
/// <param name="indexUtilization">The index utilization from the backend</param>
/// <param name="clientSideMetrics">The additional client side metrics.</param>
/// <returns>A new QueryMetrics.</returns>
internal static QueryMetrics CreateFromDelimitedStringAndClientSideMetrics(string delimitedString, string indexUtilization, ClientSideMetrics clientSideMetrics)
{
Dictionary <string, double> metrics = QueryMetricsUtils.ParseDelimitedString(delimitedString);
metrics.TryGetValue(QueryMetricsConstants.IndexHitRatio, out double indexHitRatio);
metrics.TryGetValue(QueryMetricsConstants.RetrievedDocumentCount, out double retrievedDocumentCount);
long indexHitCount = (long)(indexHitRatio * retrievedDocumentCount);
metrics.TryGetValue(QueryMetricsConstants.OutputDocumentCount, out double outputDocumentCount);
metrics.TryGetValue(QueryMetricsConstants.OutputDocumentSize, out double outputDocumentSize);
metrics.TryGetValue(QueryMetricsConstants.RetrievedDocumentSize, out double retrievedDocumentSize);
TimeSpan totalQueryExecutionTime = QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.TotalQueryExecutionTimeInMs);
IndexUtilizationInfo.TryCreateFromDelimitedString(indexUtilization, out IndexUtilizationInfo indexUtilizationInfo);
return(new QueryMetrics(
(long)retrievedDocumentCount,
(long)retrievedDocumentSize,
(long)outputDocumentCount,
(long)outputDocumentSize,
indexHitCount,
indexUtilizationInfo,
totalQueryExecutionTime,
QueryPreparationTimes.CreateFromDelimitedString(delimitedString),
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.IndexLookupTimeInMs),
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.DocumentLoadTimeInMs),
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.VMExecutionTimeInMs),
RuntimeExecutionTimes.CreateFromDelimitedString(delimitedString),
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.DocumentWriteTimeInMs),
clientSideMetrics));
}
/// <summary>
/// Creates a new QueryPreparationTimes from the backend delimited string.
/// </summary>
/// <param name="delimitedString">The backend delimited string to deserialize from.</param>
/// <returns>A new QueryPreparationTimes from the backend delimited string.</returns>
internal static QueryPreparationTimes CreateFromDelimitedString(string delimitedString)
{
Dictionary <string, double> metrics = QueryMetricsUtils.ParseDelimitedString(delimitedString);
return(new QueryPreparationTimes(
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.QueryCompileTimeInMs),
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.LogicalPlanBuildTimeInMs),
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.PhysicalPlanBuildTimeInMs),
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.QueryOptimizationTimeInMs)));
}
public static TimeSpan TimeSpanFromMetrics(Dictionary <string, double> metrics, string key)
{
double timeSpanInMilliseconds;
TimeSpan timeSpanFromMetrics;
if (metrics.TryGetValue(key, out timeSpanInMilliseconds))
{
// Can not use TimeSpan.FromMilliseconds since double has a loss of precision
timeSpanFromMetrics = QueryMetricsUtils.DoubleMillisecondsToTimeSpan(timeSpanInMilliseconds);
}
else
{
timeSpanFromMetrics = default(TimeSpan);
}
return(timeSpanFromMetrics);
}
/// <summary>
/// Creates a new RuntimeExecutionTimes from the backend delimited string.
/// </summary>
/// <param name="delimitedString">The backend delimited string to deserialize from.</param>
/// <returns>A new RuntimeExecutionTimes from the backend delimited string.</returns>
internal static RuntimeExecutionTimes CreateFromDelimitedString(string delimitedString)
{
Dictionary <string, double> metrics = QueryMetricsUtils.ParseDelimitedString(delimitedString);
TimeSpan vmExecutionTime = QueryMetricsUtils.TimeSpanFromMetrics(
metrics,
QueryMetricsConstants.VMExecutionTimeInMs);
TimeSpan indexLookupTime = QueryMetricsUtils.TimeSpanFromMetrics(
metrics,
QueryMetricsConstants.IndexLookupTimeInMs);
TimeSpan documentLoadTime = QueryMetricsUtils.TimeSpanFromMetrics(
metrics,
QueryMetricsConstants.DocumentLoadTimeInMs);
TimeSpan documentWriteTime = QueryMetricsUtils.TimeSpanFromMetrics(
metrics,
QueryMetricsConstants.DocumentWriteTimeInMs);
return(new RuntimeExecutionTimes(
vmExecutionTime - indexLookupTime - documentLoadTime - documentWriteTime,
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.SystemFunctionExecuteTimeInMs),
QueryMetricsUtils.TimeSpanFromMetrics(metrics, QueryMetricsConstants.UserDefinedFunctionExecutionTimeInMs)));
}
