fix: Trino - handle table not found in SQLLab

superset/db_engine_specs/trino.py

@@ -58,7 +58,10 @@
         table_name: str,
         schema_name: str | None,
     ) -> dict[str, Any]:
-        metadata = {}
+        metadata: dict[str, Any] = {}
+
+        if not database.has_table_by_name(table_name):
+            return metadata
 
         if indexes := database.get_indexes(table_name, schema_name):
             col_names, latest_parts = cls.latest_partition(

tests/integration_tests/databases/api_tests.py

@@ -1340,6 +1340,22 @@ def test_get_invalid_table_table_extra_metadata(self):
         self.assertEqual(rv.status_code, 200)
         self.assertEqual(data, {})
 
+    def test_get_invalid_table_table_extra_metadata_trino(self):
+        """
+        Database API: Test get invalid table from table extra metadata
+        Trino dialect
+        """
+        from superset.utils.database import get_or_create_db
+
+        trino_db = get_or_create_db("trino_examples", "trino://42/sd")
+        uri = f"api/v1/database/{trino_db.id}/table_extra/wrong_table/null/"
+        self.login(username="admin")
+        rv = self.client.get(uri)
+        data = json.loads(rv.data.decode("utf-8"))
+
+        self.assertEqual(rv.status_code, 200)
+        self.assertEqual(data, {})
+
     @pytest.mark.usefixtures("load_birth_names_dashboard_with_slices")
     def test_get_select_star(self):
         """