Only record metric if pg transaction are sent

Author: hmstepanek

newrelic/api/transaction.py

@@ -1145,6 +1145,10 @@ def _make_sampling_decision(self):
             self._sampling_decision_made = True
             if self._sampled:
                 self.partial_granularity_sampled = True
+                self.record_custom_metric(
+                    f"Supportability/Python/PartialGranularity/{self._settings.distributed_tracing.sampler.partial_granularity.type}",
+                    1,
+                )
             return
 
         # This is only reachable if both full and partial granularity tracing are off.

newrelic/core/application.py

@@ -1368,12 +1368,6 @@ def harvest(self, shutdown=False, flexible=False):
                                 spans_sampled = spans.num_samples
                                 internal_count_metric("Supportability/SpanEvent/TotalEventsSeen", spans_seen)
                                 internal_count_metric("Supportability/SpanEvent/TotalEventsSent", spans_sampled)
-                                if configuration.distributed_tracing.sampler.partial_granularity.enabled:
-                                    internal_count_metric(
-                                        f"Supportability/Python/PartialGranularity/{configuration.distributed_tracing.sampler.partial_granularity.type}",
-                                        1,
-                                    )
-
                                 stats.reset_span_events()
 
                     # Send error events