fix: datasourcedao datasource not found error (#20725)

* first fix

* remove prints

* run pc

* fix linter

* commit

superset/datasource/dao.py

@@ -15,6 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 
+import logging
 from typing import Dict, Type, Union
 
 from sqlalchemy.orm import Session
@@ -27,6 +28,8 @@
 from superset.tables.models import Table
 from superset.utils.core import DatasourceType
 
+logger = logging.getLogger(__name__)
+
 Datasource = Union[Dataset, SqlaTable, Table, Query, SavedQuery]
 
 
@@ -57,6 +60,11 @@ def get_datasource(
         )
 
         if not datasource:
+            logger.warning(
+                "Datasource not found datasource_type: %s, datasource_id: %s",
+                datasource_type,
+                datasource_id,
+            )
             raise DatasourceNotFound()
 
         return datasource

superset/views/core.py

@@ -815,7 +815,7 @@ def explore(
             try:
                 datasource = DatasourceDAO.get_datasource(
                     db.session,
-                    DatasourceType(cast(str, datasource_type)),
+                    DatasourceType("table"),
                     datasource_id,
                 )
             except DatasetNotFoundError: