refactor: remove unnecessary dataset queries from dashboard requests (#16110)

* refactor: remove unnecessary dataset queries from dashboard requests

* fix comments

superset-frontend/src/dashboard/components/PropertiesModal/PropertiesModal.test.tsx

@@ -113,8 +113,6 @@ fetchMock.get('http://localhost/api/v1/dashboard/26', {
       published: false,
       roles: [],
       slug: null,
-      table_names:
-        '[examples].[covid_vaccines], [examples].[covid_vaccines], [examples].[covid_vaccines], [examples].[covid_vaccines], [examples].[covid_vaccines], [examples].[covid_vaccines], [examples].[covid_vaccines], [examples].[covid_vaccines]',
       thumbnail_url:
         '/api/v1/dashboard/26/thumbnail/b24805e98d90116da8c0974d24f5c533/',
       url: '/superset/dashboard/26/',

superset/charts/schemas.py

@@ -145,7 +145,6 @@ class ChartEntityResponseSchema(Schema):
     cache_timeout = fields.Integer(description=cache_timeout_description)
     changed_on = fields.String(description=changed_on_description)
     modified = fields.String()
-    datasource = fields.String(description=datasource_name_description)
     description = fields.String(description=description_description)
     description_markeddown = fields.String(
         description=description_markeddown_description

superset/dashboards/schemas.py

@@ -158,7 +158,6 @@ class DashboardGetResponseSchema(Schema):
     charts = fields.List(fields.String(description=charts_description))
     owners = fields.List(fields.Nested(UserSchema))
     roles = fields.List(fields.Nested(RolesSchema))
-    table_names = fields.String()  # legacy nonsense
     changed_on_humanized = fields.String(data_key="changed_on_delta_humanized")
 
 

superset/models/dashboard.py

@@ -161,11 +161,6 @@ class Dashboard(  # pylint: disable=too-many-instance-attributes
     def __repr__(self) -> str:
         return f"Dashboard<{self.id or self.slug}>"
 
-    @property
-    def table_names(self) -> str:
-        # pylint: disable=no-member
-        return ", ".join(str(s.datasource.full_name) for s in self.slices)
-
     @property
     def url(self) -> str:
         return f"/superset/dashboard/{self.slug or self.id}/"

superset/views/dashboard/mixin.py

@@ -39,7 +39,7 @@ class DashboardMixin:  # pylint: disable=too-few-public-methods
         "json_metadata",
         "published",
     ]
-    show_columns = edit_columns + ["table_names", "charts"]
+    show_columns = edit_columns + ["charts"]
     search_columns = ("dashboard_title", "slug", "owners", "published")
     add_columns = edit_columns
     base_order = ("changed_on", "desc")
@@ -87,7 +87,6 @@ class DashboardMixin:  # pylint: disable=too-few-public-methods
         "position_json": _("Position JSON"),
         "css": _("CSS"),
         "json_metadata": _("JSON Metadata"),
-        "table_names": _("Underlying Tables"),
     }
 
     def pre_delete(self, item: "DashboardMixin") -> None:  # pylint: disable=no-self-use

tests/integration_tests/dashboards/api_tests.py

@@ -339,7 +339,6 @@ class TestDashboardApi(SupersetTestCase, ApiOwnersTestCaseMixin, InsertChartMixi
             "published": False,
             "url": "/superset/dashboard/slug1/",
             "slug": "slug1",
-            "table_names": "",
             "thumbnail_url": dashboard.thumbnail_url,
         }
         data = json.loads(rv.data.decode("utf-8"))