asyncpg: Use only the first word from query as a span name

Author: krnr

CHANGELOG.md

@@ -15,6 +15,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#1208](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1208))
 - `opentelemetry-instrumentation-aiohttp-client` Fix producing additional spans with each newly created ClientSession
 - ([#1246](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1246))
+- `opentelemetry-instrumentation-asyncpg` Fix high cardinality in the span name
+- ([#1170](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1324))
 
 ## [1.12.0-0.33b0](https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.12.0-0.33b0) - 2022-08-08
 

instrumentation/opentelemetry-instrumentation-asyncpg/src/opentelemetry/instrumentation/asyncpg/__init__.py

@@ -133,6 +133,7 @@ async def _do_execute(self, func, instance, args, kwargs):
         exception = None
         params = getattr(instance, "_params", {})
         name = args[0] if args[0] else params.get("database", "postgresql")
+        name = name.split()[0]
 
         with self._tracer.start_as_current_span(
             name, kind=SpanKind.CLIENT