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

appengine/findit/model/base_swarming_task.py

Index: appengine/findit/model/base_swarming_task.py
diff --git a/appengine/findit/model/base_swarming_task.py b/appengine/findit/model/base_swarming_task.py
new file mode 100644
index 0000000000000000000000000000000000000000..7d53c43a3177d64e2ca4f43bb625316b71820adc
--- /dev/null
+++ b/appengine/findit/model/base_swarming_task.py
@@ -0,0 +1,38 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.

[chanli, 2016/07/07 23:38:28]

Could you explain to me what this model is and what's the difference/
relationship with wf_swarming_task?

[caiw, 2016/07/14 00:59:39]

Done.

+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from collections import defaultdict
+
+from google.appengine.ext import ndb
+
+from model.base_flake_model import BaseFlakeModel
+from model import analysis_status
+
+
+class BaseSwarmingTask(BaseFlakeModel):
+  """Represents a general swarming task.
+  """
+  # The id of the Swarming task scheduled or running on Swarming Server.
+  task_id = ndb.StringProperty(indexed=False)
+
+  # A dict to keep track of running information for each test:
+  # number of total runs, number of each status (such as 'SUCCESS' or 'FAILED')
+  tests_statuses = ndb.JsonProperty(default={}, indexed=False, compressed=True)
+
+  # The status of the swarming task.
+  status = ndb.IntegerProperty(
+      default=analysis_status.PENDING, indexed=False)
+
+  # The revision of the failed build.
+  build_revision = ndb.StringProperty(indexed=False)
+
+  # Time when the task is created.
+  created_time = ndb.DateTimeProperty(indexed=True)
+  # Time when the task is started.
+  started_time = ndb.DateTimeProperty(indexed=False)
+  # Time when the task is completed.
+  completed_time = ndb.DateTimeProperty(indexed=False)
+
+  # parameters need to be stored and analyzed later.
+  parameters = ndb.JsonProperty(default={}, indexed=False, compressed=True)