Queries for the AEWExperimentAssignmentSummary table

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For information on using these queries in the Azure portal, see Log Analytics tutorial. For the REST API, see Query.

Variant assignment counts by features

List the total number of assignments for each variant in feature allocations.

// Variant assignment counts by features
AEWExperimentAssignmentSummary
| summarize
    IsControlVariant = take_any(IsControlVariant),
    AllocationPercentage = take_any(AllocationPercentage),
    AssignmentEventCount = sum(AssignmentEventCount),
    EarliestAssignment = min(MinTimeGenerated),
    LatestAssignment = max(MaxTimeGenerated)
    by FeatureName, AllocationId, Variant
| order by FeatureName asc, LatestAssignment desc, Variant asc

Latest scorecard metadata for a given feature

Query the latest experimentscorecard metadata for a given feature.

// Latest scorecard metadata for a given feature
// set the feature flag name to query
let QueryFeature = "MyFeatureFlag";
AEWExperimentAssignmentSummary
| where FeatureName == QueryFeature
| summarize MaxTimeGenerated=max(MaxTimeGenerated), Variants=make_set(Variant, 1000) by AllocationId
| summarize arg_max(MaxTimeGenerated, *)
| join kind=inner AEWExperimentScorecards on AllocationId
| summarize arg_max(TimeGenerated, ScorecardId)
| project
    FeatureName, AllocationId, Variants,
    ScorecardId, AnalysisStartTime, AnalysisEndTime, Insights

Latest scorecard results for a given feature

Query the latest experiment scorecard result for a given feature.

// Latest scorecard results for a given feature
// set the feature flag name to query
let QueryFeature = "MyFeatureFlag";
AEWExperimentAssignmentSummary
| where FeatureName == QueryFeature
| summarize arg_max(MaxTimeGenerated, AllocationId)
| join kind=inner AEWExperimentScorecards on AllocationId
| summarize arg_max(TimeGenerated, ScorecardId)
| join kind=inner AEWExperimentScorecardMetricPairs on ScorecardId
| project
    ScorecardId, MetricId, MetricDisplayName, MetricKind, MetricTags,
    TreatmentVariant, TreatmentCount, TreatmentMetricValue,
    ControlVariant, ControlCount, ControlMetricValue,
    TreatmentEffect, RelativeDifference, PValue, Insights