These are the database objects used while finding the regression range. 1/3

appengine/findit/model/flake/base_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
 from model import result_status
 
 
-class WfAnalysis(BaseBuildModel):
+class BaseAnalysis(BaseBuildModel):

[stgao, 2016/07/14 18:01:33]

Why this one is needed? Is it possible to reuse the one in
findit/model/base_analysis.py?

   """Represents an analysis of a build of a builder in a Chromium waterfall.
-
-  'Wf' is short for waterfall.
   """
-  @staticmethod
-  def _CreateKey(master_name, builder_name, build_number):  # pragma: no cover
-    return ndb.Key('WfAnalysis',
-                   BaseBuildModel.CreateBuildId(
-                       master_name, builder_name, build_number))
-
-  @staticmethod
-  def Create(master_name, builder_name, build_number):  # pragma: no cover
-    return WfAnalysis(
-        key=WfAnalysis._CreateKey(master_name, builder_name, build_number))
-
-  @staticmethod
-  def Get(master_name, builder_name, build_number):  # pragma: no cover
-    return WfAnalysis._CreateKey(master_name, builder_name, build_number).get()
 
   @property
   def completed(self):
     return self.status in (
         analysis_status.COMPLETED, analysis_status.ERROR)
 
   @property
   def duration(self):
     if not self.completed or not self.end_time or not self.start_time:
       return None
@@ skipping 65 matching lines @@
         return failure_type.COMPILE
 
     # Although the failed steps could be infra setup steps like "bot_update",
     # for legacy data we just assume all of them are tests if not compile.
     return failure_type.TEST
 
   @property
   def failure_type_str(self):
     return failure_type.GetDescriptionForFailureType(self.failure_type)
 
-  # When the build cycle started.
-  build_start_time = ndb.DateTimeProperty(indexed=True)
-  # Whether the build cycle has completed.
-  build_completed = ndb.BooleanProperty(indexed=False)
-  # Whether it is a compile failure, test failure, infra failure or others.
-  # Refer to common/waterfall/failure_type.py for all the failure types.
-  build_failure_type = ndb.IntegerProperty(indexed=False)
-
   # The url path to the pipeline status page.
   pipeline_status_path = ndb.StringProperty(indexed=False)
+
   # The status of the analysis.
   status = ndb.IntegerProperty(
       default=analysis_status.PENDING, indexed=False)
   # When the analysis was requested.
   request_time = ndb.DateTimeProperty(indexed=False)
   # When the analysis actually started.
   start_time = ndb.DateTimeProperty(indexed=False)
   # When the analysis actually ended.
   end_time = ndb.DateTimeProperty(indexed=False)
   # When the analysis was updated.
   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)
-
-  # 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)