getMetrics method
Returns ODBC metrics from the worker (query count, errors, latency, etc.).
Implementation
Future<OdbcMetrics?> getMetrics() async {
final r = await _sendRequest<MetricsResponse>(
GetMetricsRequest(_nextRequestId()),
);
if (r.error != null) return null;
return OdbcMetrics(
queryCount: r.queryCount,
errorCount: r.errorCount,
uptimeSecs: r.uptimeSecs,
totalLatencyMillis: r.totalLatencyMillis,
avgLatencyMillis: r.avgLatencyMillis,
);
}