Add span.is_recording check

Author: bschoenmaeckers

instrumentation/opentelemetry-instrumentation-sqlalchemy/src/opentelemetry/instrumentation/sqlalchemy/engine.py

@@ -92,8 +92,9 @@ def _wrap_connect_internal(func, module, args, kwargs):
         with tracer.start_as_current_span(
             "connect", kind=trace.SpanKind.CLIENT
         ) as span:
-            attrs, _ = _get_attributes_from_url(module.url)
-            span.set_attributes(attrs)
+            if span.is_recording():
+                attrs, _ = _get_attributes_from_url(module.url)
+                span.set_attributes(attrs)
             return func(*args, **kwargs)
 
     return _wrap_connect_internal