address comments

Author: derrickaw

sdks/python/apache_beam/yaml/examples/testing/examples_test.py

@@ -681,8 +681,8 @@ def _pubsub_io_read_test_preprocessor(
 def _jdbc_io_read_test_preprocessor(
     test_spec: dict, expected: List[str], env: TestEnvironment):
   """
-  Preprocessor for tests that involve reading from SqlServer.
-  url syntax: 'jdbc:mysql://<host>:<port>/<database>'
+  Preprocessor for tests that involve reading from generic Jdbc.
+  url syntax: 'jdbc:<database-type>://<host>:<port>/<database>'
   """
   return _db_io_read_test_processor(
       test_spec, lambda url: url.split('/')[-1], 'Jdbc')

sdks/python/apache_beam/yaml/examples/transforms/blueprint/postgres_to_bigquery.yaml

@@ -28,7 +28,7 @@ pipeline:
       config:
         url: "jdbc:postgresql://localhost:12345/shipment?user=user&password=postgres123"
         query: "SELECT * FROM shipments"
-        driver_class_name: "com.microsoft.sqlserver.jdbc.SQLServerDriver"
+        driver_class_name: "org.postgresql.Driver"
     # Step 2: Write records out to BigQuery
     - type: WriteToBigQuery
       name: WriteShipments