code: def _oracle_set_default_schema_on_connection(
      cfg, dbapi_connection, schema_name
  ):
      cursor = dbapi_connection.cursor()
      cursor.execute(
          "ALTER SESSION SET CURRENT_SCHEMA=%s" % schema_name
      )
      cursor.close()
  
imports: from ...None import create_engine
  from ...None import exc
  from ...None import inspect
  from ...engine import url
  from ...testing.provision import configure_follower
  from ...testing.provision import create_db
  from ...testing.provision import drop_all_schema_objects_post_tables
  from ...testing.provision import drop_all_schema_objects_pre_tables
  from ...testing.provision import drop_db
  from ...testing.provision import follower_url_from_main
  from ...testing.provision import log
  from ...testing.provision import post_configure_engine
  from ...testing.provision import run_reap_dbs
  from ...testing.provision import set_default_schema_on_connection
  from ...testing.provision import stop_test_class_outside_fixtures
  from ...testing.provision import temp_table_keyword_args
  from ...testing.provision import update_db_opts
label_desc: Use image node_id 13 for calling a global function with example usage: _oracle_set_default_schema_on_connection(cfg, dbapi_connection, schema_name) without return types