Deprecated database configuration removed

airflow/configuration.py

@@ -325,20 +325,7 @@ def sensitive_config_values(self) -> Set[tuple[str, str]]:  # noqa: UP006
     # A mapping of (new section, new option) -> (old section, old option, since_version).
     # When reading new option, the old option will be checked to see if it exists. If it does a
     # DeprecationWarning will be issued and the old option will be used instead
-    deprecated_options: dict[tuple[str, str], tuple[str, str, str]] = {
-        ("database", "sql_alchemy_conn"): ("core", "sql_alchemy_conn", "2.3.0"),
-        ("database", "sql_engine_encoding"): ("core", "sql_engine_encoding", "2.3.0"),
-        ("database", "sql_engine_collation_for_ids"): ("core", "sql_engine_collation_for_ids", "2.3.0"),
-        ("database", "sql_alchemy_pool_enabled"): ("core", "sql_alchemy_pool_enabled", "2.3.0"),
-        ("database", "sql_alchemy_pool_size"): ("core", "sql_alchemy_pool_size", "2.3.0"),
-        ("database", "sql_alchemy_max_overflow"): ("core", "sql_alchemy_max_overflow", "2.3.0"),
-        ("database", "sql_alchemy_pool_recycle"): ("core", "sql_alchemy_pool_recycle", "2.3.0"),
-        ("database", "sql_alchemy_pool_pre_ping"): ("core", "sql_alchemy_pool_pre_ping", "2.3.0"),
-        ("database", "sql_alchemy_schema"): ("core", "sql_alchemy_schema", "2.3.0"),
-        ("database", "sql_alchemy_connect_args"): ("core", "sql_alchemy_connect_args", "2.3.0"),
-        ("database", "load_default_connections"): ("core", "load_default_connections", "2.3.0"),
-        ("database", "max_db_retries"): ("core", "max_db_retries", "2.3.0"),
-    }
+    deprecated_options: dict[tuple[str, str], tuple[str, str, str]] = {}
 
     # A mapping of new section -> (old section, since_version).
     deprecated_sections: dict[str, tuple[str, str]] = {}

docs/apache-airflow/faq.rst

@@ -494,7 +494,7 @@ What does "MySQL Server has gone away" mean?
 
 You may occasionally experience ``OperationalError`` with the message "MySQL Server has gone away". This is due to the
 connection pool keeping connections open too long and you are given an old connection that has expired. To ensure a
-valid connection, you can set :ref:`config:core__sql_alchemy_pool_recycle` to ensure connections are invalidated after
+valid connection, you can set :ref:`config:database__sql_alchemy_pool_recycle` to ensure connections are invalidated after
 that many seconds and new ones are created.
 
 

newsfragments/42126.significant.rst

@@ -0,0 +1,14 @@
+Removed deprecated database configuration.
+
+  * Removed deprecated configuration ``sql_alchemy_conn`` from ``core``. Please use ``sql_alchemy_conn`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_engine_encoding`` from ``core``. Please use ``sql_engine_encoding`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_engine_collation_for_ids`` from ``core``. Please use ``sql_engine_collation_for_ids`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_alchemy_pool_enabled`` from ``core``. Please use ``sql_alchemy_pool_enabled`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_alchemy_pool_size`` from ``core``. Please use ``sql_alchemy_pool_size`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_alchemy_max_overflow`` from ``core``. Please use ``sql_alchemy_max_overflow`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_alchemy_pool_recycle`` from ``core``. Please use ``sql_alchemy_pool_recycle`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_alchemy_pool_pre_ping`` from ``core``. Please use ``sql_alchemy_pool_pre_ping`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_alchemy_schema`` from ``core``. Please use ``sql_alchemy_schema`` from ``database`` instead.
+  * Removed deprecated configuration ``sql_alchemy_connect_args`` from ``core``. Please use ``sql_alchemy_connect_args`` from ``database`` instead.
+  * Removed deprecated configuration ``load_default_connections`` from ``core``. Please use ``load_default_connections`` from ``database`` instead.
+  * Removed deprecated configuration ``max_db_retries`` from ``core``. Please use ``max_db_retries`` from ``database`` instead.

tests/api_connexion/endpoints/test_config_endpoint.py

@@ -39,11 +39,14 @@
 }
 
 MOCK_CONF_WITH_SENSITIVE_VALUE = {
-    "core": {"parallelism": "1024", "sql_alchemy_conn": "mock_conn"},
+    "core": {"parallelism": "1024"},
     "smtp": {
         "smtp_host": "localhost",
         "smtp_mail_from": "airflow@example.com",
     },
+    "database": {
+        "sql_alchemy_conn": "mock_conn",
+    },
 }
 
 
@@ -263,10 +266,10 @@ def test_should_respond_200_text_plain(self, mock_as_dict):
     @pytest.mark.parametrize(
         "section, option",
         [
-            ("core", "sql_alchemy_conn"),
-            ("core", "SQL_ALCHEMY_CONN"),
-            ("corE", "sql_alchemy_conn"),
-            ("CORE", "sql_alchemy_conn"),
+            ("database", "sql_alchemy_conn"),
+            ("database", "SQL_ALCHEMY_CONN"),
+            ("databasE", "sql_alchemy_conn"),
+            ("DATABASE", "sql_alchemy_conn"),
         ],
     )
     def test_should_respond_200_text_plain_with_non_sensitive_only(self, mock_as_dict, section, option):

tests/core/test_configuration.py

@@ -53,7 +53,9 @@
 
 HOME_DIR = os.path.expanduser("~")
 
-# The conf has been updated with deactivate_stale_dags_interval to test the functionality of deprecated options support.
+# The conf has been updated with sql_alchemy_con and deactivate_stale_dags_interval to test the
+# functionality of deprecated options support.
+conf.deprecated_options[("database", "sql_alchemy_conn")] = ("core", "sql_alchemy_conn", "2.3.0")
 conf.deprecated_options[("scheduler", "parsing_cleanup_interval")] = (
     "scheduler",
     "deactivate_stale_dags_interval",