MetricsQueryLogger class

A query logger that collects metrics.

Useful for monitoring performance and identifying slow queries.

Implemented types

Constructors

MetricsQueryLogger({int maxMetrics = 1000})

Properties

averageDuration → Duration
Average query duration
no setter
byOperation → Map<String, List<QueryMetric>>
Queries grouped by operation
no setter
hashCode → int
The hash code for this object.
no setterinherited
metrics → List<QueryMetric>
All collected metrics
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
slowestQuery → QueryMetric?
Slowest query
no setter
totalDuration → Duration
Total execution time
no setter
totalQueries → int
Total number of queries executed
no setter

Methods

clear() → void
Clear all collected metrics
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onQueryEnd(QueryEndEvent event) → void
Called after a query completes successfully.
override
onQueryError(QueryErrorEvent event) → void
Called when a query fails.
override
onQueryStart(QueryStartEvent event) → void
Called before a query is executed.
override
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited