[Findit] Trigger swarming tasks after detech_first_faliure_pipeline

appengine/findit/model/wf_analysis.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from google.appengine.ext import ndb
 
 from common import constants
 from common.waterfall import failure_type
 from model.base_build_model import BaseBuildModel
 from model import analysis_status
@@ skipping 127 matching lines @@
   updated_time = ndb.DateTimeProperty(indexed=False, auto_now=True)
   # Record which version of analysis.
   version = ndb.StringProperty(indexed=False)
 
   # Analysis result for the build failure.
   not_passed_steps = ndb.StringProperty(indexed=False, repeated=True)
   result = ndb.JsonProperty(indexed=False, compressed=True)
   # Suspected CLs we found.
   suspected_cls = ndb.JsonProperty(indexed=False, compressed=True)
   # Record the id of try job results of each failure.
-  failure_result_map = ndb.JsonProperty(indexed=False, compressed=True)
+  failure_result_map = ndb.JsonProperty(indexed=False, compressed=True,
+                                        default={})

[stgao, 2016/07/12 20:26:52]

This possible pitfall might cause unexpected behavior.

It is similar to [] or {} as default parameters in a function.
http://stackoverflow.com/questions/5587582/numpy-array-subclass-unexpedly-sha...


Alternative is to the set default value in function ``Create`` above.

[chanli, 2016/07/12 20:41:19]

Done.

 
   # The actual culprit CLs that are responsible for the failures.
   culprit_cls = ndb.JsonProperty(indexed=False, compressed=True)
   # Conclusion of analysis result for the build failure: 'Found' or 'Not Found'.
   result_status = ndb.IntegerProperty(indexed=True)
   # Record the history of triage.
   triage_history = ndb.JsonProperty(indexed=False, compressed=True)