Scenario: Simplify scenario update and minor change.

src/Model/OutputRKAdists/OutputRKAdists.py

@@ -193,9 +193,9 @@ class OutputRKAdists(SQLSubModel):
             "output_rk_adists(pamhyr_id, deleted, " +
             "reach, rk, title, scenario) " +
             "VALUES (" +
-            f"{self.id}, {self._db_format({self.is_deleted()})}" +
+            f"{self.id}, {self._db_format(self.is_deleted())}" +
             f"{self._reach}, {self._rk}, " +
-            f"'{self._db_format(self._title)}'" +
+            f"'{self._db_format(self._title)}', " +
             f"{self._status.scenario_id}" +
             ")"
         )

src/Model/River.py

@@ -547,12 +547,12 @@ class River(Graph):
 
         data['loaded_pid'] = set()
 
+        new._Pollutants = PollutantsList._db_load(execute, data)
+
         new._Output_rk_adists = OutputRKAdistsList._db_load(
             execute, data
         )
 
-        new._Pollutants = PollutantsList._db_load(execute, data)
-
         new._InitialConditionsAdisTS = InitialConditionsAdisTSList._db_load(
             execute, data)
 

src/Model/Scenario.py

@@ -93,21 +93,10 @@ class Scenario(SQLSubModel):
     @classmethod
     def _db_update(cls, execute, version, data=None):
         major, minor, release = version.strip().split(".")
-        if major == minor == "0":
-            if int(release) < 12:
-                cls._db_create(execute)
-                cls._db_add_default(execute)
 
-        if major == "0" and minor == "1":
-            if int(release) < 2:
-                execute(
-                    "ALTER TABLE scenario " +
-                    "ADD COLUMN x REAL NOT NULL DEFAULT 1000"
-                )
-                execute(
-                    f"ALTER TABLE scenario " +
-                    "ADD COLUMN y REAL NOT NULL DEFAULT 1000"
-                )
+        if major == "0" and int(minor) <= 2:
+            cls._db_create(execute)
+            cls._db_add_default(execute)
 
         return True
 

src/Model/test_Model.py

@@ -166,6 +166,44 @@ class StudyScenarioTestCase(unittest.TestCase):
         study.reload_from_scenario(study.scenarios[nid])
         self.assertEqual(len(study.river.additional_files), 2)
 
+    def test_scenario_river_nodes(self):
+        study = Study.new("foo", "bar")
+        study.river.additional_files.new(0)
+
+        self.assertNotEqual(study.river, None)
+
+        dir = tempfile.mkdtemp()
+        f = os.path.join(dir, "foo.pamhyr")
+
+        study.filename = f
+        study.save()
+
+        # Add nodes
+        n0 = study.river.add_node()
+        n1 = study.river.add_node(x=1.0, y=0.0)
+        n2 = study.river.add_node(x=0.0, y=1.0)
+
+        self.assertEqual(study.river.nodes_counts(), 3)
+
+        study.save()
+
+        # New scenario
+        new = study.new_scenario_from_current()
+        nid = new.id
+
+        n3 = study.river.add_node(x=0.0, y=1.0)
+        study.save()
+
+        self.assertEqual(study.river.nodes_counts(), 4)
+
+        study.reload_from_scenario(study.scenarios[0])
+        self.assertEqual(study.river.nodes_counts(), 3)
+
+        study.reload_from_scenario(study.scenarios[nid])
+        self.assertEqual(study.river.nodes_counts(), 4)
+
+        study.save()
+
 
 class RiverTestCase(unittest.TestCase):
     def test_create_river(self):

src/View/OutputRKAdisTS/Table.py

@@ -65,11 +65,13 @@ class ComboBoxDelegate(QItemDelegate):
                 .get(index.row()) \
                 .reach
 
-            reach = next(filter(
-                lambda edge: edge.id == reach_id, self._data.edges()
-            ))
-
             if reach_id is not None:
+                reach = next(
+                    filter(
+                        lambda edge: edge.id == reach_id, self._data.edges()
+                    )
+                )
+
                 val = list(
                     map(
                         lambda rk: str(rk), reach.reach.get_rk()