From 129f4ba73d835c3f43323616ef2c252793f77dca Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Fri, 10 Jul 2015 09:07:24 +0200
Subject: [PATCH] avoid querying for runId = None

---
 tracking/btree.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tracking/btree.py b/tracking/btree.py
index f817535..132fc06 100644
--- a/tracking/btree.py
+++ b/tracking/btree.py
@@ -270,6 +270,8 @@ class TrackingStorage(BTreeContainer):
     def getUserTracks(self, taskId, runId, userName):
         if not runId:
             runId = self.currentRuns.get(taskId)
+            if runId is None:
+                return []
         return self.query(taskId=taskId, runId=runId, userName=userName)
 
     def getLastUserTrack(self, taskId, runId, userName):
@@ -283,6 +285,8 @@ class TrackingStorage(BTreeContainer):
         result = None
         for idx in kw:
             value = kw[idx]
+            if idx == 'runId' and value is None:
+                continue
             if idx in self.indexAttributes:
                 if type(value) not in (list, tuple):
                     value = [value]