Revert "Expand sqlalchemy pool.name to follow the semantic conventions (open-telemetry#1778)"

This reverts commit 1a1163e.

Author: davidgonor1408

CHANGELOG.md

@@ -15,8 +15,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Expand sqlalchemy pool.name to follow the semantic conventions
-  ([#1778](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1778))
 - Add `excluded_urls` functionality to `urllib` and `urllib3` instrumentations
   ([#1733](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1733))
 - Make Django request span attributes available for `start_span`. 

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

@@ -118,17 +118,8 @@ def __init__(
         self._register_event_listener(engine, "checkin", self._pool_checkin)
         self._register_event_listener(engine, "checkout", self._pool_checkout)
 
-    def _get_connection_string(self):
-        drivername = self.engine.url.drivername or ""
-        host = self.engine.url.host or ""
-        port = self.engine.url.port or ""
-        database = self.engine.url.database or ""
-        return f"{drivername}://{host}:{port}/{database}"
-
     def _get_pool_name(self):
-        if self.engine.pool.logging_name is not None:
-            return self.engine.pool.logging_name
-        return self._get_connection_string()
+        return self.engine.pool.logging_name or ""
 
     def _add_idle_to_connection_usage(self, value):
         self.connections_usage.add(

instrumentation/opentelemetry-instrumentation-sqlalchemy/tests/test_sqlalchemy_metrics.py

@@ -70,12 +70,11 @@ def test_metrics_one_connection(self):
         )
 
     def test_metrics_without_pool_name(self):
-        pool_name = "pool_test_name"
+        pool_name = ""
         engine = sqlalchemy.create_engine(
             "sqlite:///:memory:",
             pool_size=5,
             poolclass=QueuePool,
-            pool_logging_name=pool_name,
         )
 
         metrics = self.get_sorted_metrics()

tests/opentelemetry-docker-tests/tests/sqlalchemy_tests/test_postgres.py

@@ -95,40 +95,3 @@ class PostgresCreatorTestCase(PostgresTestCase):
         "url": "postgresql://",
         "creator": lambda: psycopg2.connect(**POSTGRES_CONFIG),
     }
-
-
-class PostgresMetricsTestCase(PostgresTestCase):
-    __test__ = True
-
-    VENDOR = "postgresql"
-    SQL_DB = "opentelemetry-tests"
-    ENGINE_ARGS = {
-        "url": "postgresql://%(user)s:%(password)s@%(host)s:%(port)s/%(dbname)s"
-        % POSTGRES_CONFIG
-    }
-
-    def test_metrics_pool_name(self):
-        with self.connection() as conn:
-            conn.execute("SELECT 1 + 1").fetchall()
-
-        pool_name = "{}://{}:{}/{}".format(
-            self.VENDOR,
-            POSTGRES_CONFIG["host"],
-            POSTGRES_CONFIG["port"],
-            self.SQL_DB,
-        )
-        metrics = self.get_sorted_metrics()
-        self.assertEqual(len(metrics), 1)
-        self.assert_metric_expected(
-            metrics[0],
-            [
-                self.create_number_data_point(
-                    value=0,
-                    attributes={"pool.name": pool_name, "state": "idle"},
-                ),
-                self.create_number_data_point(
-                    value=0,
-                    attributes={"pool.name": pool_name, "state": "used"},
-                ),
-            ],
-        )