fix(schedule-query): getUISchema function called in SchemaForm component (#20256)

* Revert "Superset - Release and Improvements (12-05-2022)"

* merging conflic changes

* Revert "Revert "Superset - Release and Improvements (12-05-2022)""

This reverts commit 6d18661e03.

* fixed breaking changes

* sync with master

* fixed breaking flows

* fixed getUISchema function call

* added default placeholder and updated docs

* fixed format and comments

* changed flag to configuration

* fix: indentation of SCHEDULED_QUERIES dict

* fix: changed intendation for SCHEDULED_QUERIES

* fix: updated docs for SCHEDULED_QUERIES

* fix: replaced button to menu item for SCHEDULED_QUERIES

* fix: updated docs for SCHEDULED_QUERIES

* fix: trailing whitespace

docs/docs/installation/alerts-reports.mdx

@@ -391,15 +391,13 @@ You can optionally allow your users to schedule queries directly in SQL Lab. Thi
 extra metadata to saved queries, which are then picked up by an external scheduled (like
 [Apache Airflow](https://airflow.apache.org/)).
 
-To allow scheduled queries, add the following to your configuration file:
+To allow scheduled queries, add the following to `SCHEDULED_QUERIES` in your configuration file:
 
 ```python
-FEATURE_FLAGS = {
+SCHEDULED_QUERIES = {
-    # Configuration for scheduling queries from SQL Lab. This information is
+    # This information is collected when the user clicks "Schedule query",
-    # collected when the user clicks "Schedule query", and saved into the `extra`
+    # and saved into the `extra` field of saved queries.
-    # field of saved queries.
     # See: https://github.com/mozilla-services/react-jsonschema-form
-    'SCHEDULED_QUERIES': {
     'JSONSCHEMA': {
         'title': 'Schedule',
         'description': (
@@ -472,13 +470,12 @@ FEATURE_FLAGS = {
         'https://airflow.example.com/admin/airflow/tree?'
         'dag_id=query_${id}_${extra_json.schedule_info.output_table}'
     ),
-    },
 }
 ```
 
-This feature flag is based on
+This configuration is based on
 [react-jsonschema-form](https://github.com/mozilla-services/react-jsonschema-form) and will add a
-button called “Schedule Query” to SQL Lab. When the button is clicked, a modal will show up where
+menu item called “Schedule” to SQL Lab. When the menu item is clicked, a modal will show up where
 the user can add the metadata required for scheduling the query.
 
 This information can then be retrieved from the endpoint `/savedqueryviewapi/api/read` and used to

superset-frontend/src/SqlLab/components/ScheduleQueryButton/index.tsx

@@ -197,7 +197,7 @@ const ScheduleQueryButton: FunctionComponent<ScheduleQueryButtonProps> = ({
           <StyledJsonSchema>
             <SchemaForm
               schema={getJSONSchema()}
-              uiSchema={getUISchema}
+              uiSchema={getUISchema()}
               onSubmit={onScheduleSubmit}
               validate={getValidator()}
             >

superset/config.py

@@ -237,6 +237,9 @@ SHOW_STACKTRACE = True
 ENABLE_PROXY_FIX = False
 PROXY_FIX_CONFIG = {"x_for": 1, "x_proto": 1, "x_host": 1, "x_port": 1, "x_prefix": 1}
 
+# Configuration for scheduling queries from SQL Lab.
+SCHEDULED_QUERIES: Dict[str, Any] = {}
+
 # ------------------------------
 # GLOBALS FOR APP Builder
 # ------------------------------