0209review: firm risk component + 2way interation on n_max_trial and cap_limit_level

controller_db.py

@@ -56,7 +56,8 @@ class ControllerDB:
         if self.is_with_exp:
             with open('SQL_export_high_risk_setting.sql', 'r') as f:
                 str_sql = f.read()
-            result = pd.read_sql(sql=str_sql, con=engine)
+            with engine.connect() as conn:
+                result = pd.read_sql(sql=text(str_sql), con=conn)
             result['dct_lst_init_disrupt_firm_prod'] = \
                 result['dct_lst_init_disrupt_firm_prod'].apply(
                 lambda x: pickle.loads(x))
@@ -261,5 +262,8 @@ class ControllerDB:
 
     @staticmethod
     def lock_the_sample(sample: Sample):
-        sample.is_done_flag, sample.computer_name = 0, platform.node()
+        from datetime import datetime
+        sample.is_done_flag = 0
+        sample.computer_name = platform.node()
+        sample.ts_start = datetime.now()
         db_session.commit()