Pollutants: Fix scenario update and minor fix.

src/Model/Pollutants/Pollutants.py

@@ -163,6 +163,30 @@ class Pollutants(SQLSubModel):
         execute(f"DROP TABLE {table}")
         execute(f"ALTER TABLE {table_new}_tmp RENAME TO {table_new}")
 
+        cls._db_update_to_0_2_0_set_pollutants_pid(execute, data)
+
+    @classmethod
+    def _db_update_to_0_2_0_set_pollutants_pid(cls, execute, data):
+        pid_pol = data["id2pid"]["Pollutants"]
+        els = execute(
+            f"SELECT pamhyr_id, pollutant " +
+            "FROM pollutants_characteristics"
+        )
+
+        for row in els:
+            it = iter(row)
+            pid = next(it)
+            pol_id = next(it)
+
+            if pol_id == -1:
+                continue
+
+            execute(
+                f"UPDATE pollutants_characteristics " +
+                f"SET pollutant = {pid_pol[pol_id]} " +
+                f"WHERE pamhyr_id = {pid}"
+            )
+
     @classmethod
     def _db_load(cls, execute, data=None):
         new = []
@@ -202,7 +226,7 @@ class Pollutants(SQLSubModel):
 
                 if table is not None:
                     for t in table:
-                        new_data = t[1:-1]
+                        new_data = t[1:-2]
 
                 new_pollutant._data.append(new_data)