added updatw cath

0.6_test/dbtable.py

@@ -54,7 +54,6 @@ class DbTable:
         for i in range(len(vals)):
             if type(vals[i]) == str:
                 vals[i] = "'" + vals[i] + "'"
-                pass
             else:
                 vals[i] = str(vals[i])
         values = ", ".join(vals)
@@ -89,8 +88,18 @@ class DbTable:
         sql += " ORDER BY "
         sql += ", ".join(self.primary_key())
         cur = self.dbconn.conn.cursor()
-        cur.execute(sql)
-        return cur.fetchall()        
+        try:
+            cur.execute(sql)
+            return cur.fetchall() 
+        except psycopg2.errors.UndefinedTable:
+            self.dbconn.conn.rollback()
+            self.db_drop()
+            self.db_init()
+            self.db_insert_somethings()
+        finally:
+            cur.execute(sql)
+            return cur.fetchall()
+       
         
     def select_one(self, **kwargs):
         conditions = []