[TD-2621]<test>add case for database update

tests/pytest/test.py

@@ -118,8 +118,11 @@ if __name__ == "__main__":
     tdDnodes.stopAll()
     is_test_framework = 0
     key_word = 'tdCases.addLinux'
-    if key_word in open(fileName).read():
-        is_test_framework = 1
+    try:
+        if key_word in open(fileName).read():
+            is_test_framework = 1
+    except:
+        pass
     if is_test_framework:
         moduleName = fileName.replace(".py", "").replace("/", ".")
         uModule = importlib.import_module(moduleName)

tests/script/general/connection/test_old_data.sim

@@ -0,0 +1,32 @@
+system sh/stop_dnodes.sh
+system sh/mv_old_data.sh
+
+print ============== deploy
+
+system sh/exec.sh -n dnode1 -s start 
+system sh/exec.sh -n dnode2 -s start
+system sh/exec.sh -n dnode3 -s start 
+
+print  =============== step1
+
+sql use test
+sql select * from m1
+
+print $rows points data are retrieved
+if $rows != 7 then 
+  return -1
+endi
+
+print =============== step 2
+
+sql select * from t1
+
+print $rows points data are retrieved
+if $rows != 7 then 
+  return -1
+endi
+
+
+system sh/exec.sh -n dnode1 -s stop  -x SIGINT
+system sh/exec.sh -n dnode2 -s stop  -x SIGINT
+system sh/exec.sh -n dnode3 -s stop  -x SIGINT