# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@logilab.fr>
# Date 1329228862 -3600
# Node ID 1bb43e31032db0df50bb331cfccf6d761be603f5
# Parent  eff4fe02ec6478e2526ba5a7f1104f5758cdfdb6
[bfss, migration] fix storage migration (closes #2189206)

The storage migration intend to clean the attributes cache but in practice it
was trying to discard attribut edition. As no attribut were edited this lead to
a crash.

diff -r eff4fe02ec64 -r 1bb43e31032d server/migractions.py
--- a/server/migractions.py	Thu Jan 19 12:57:02 2012 +0100
+++ b/server/migractions.py	Tue Feb 14 15:14:22 2012 +0100
@@ -1412,7 +1412,7 @@
             getattr(entity, attribute)
             storage.migrate_entity(entity, attribute)
             # remove from entity cache to avoid memory exhaustion
-            del entity[attribute]
+            del entity.cw_attr_cache[attribute]
             pb.update()
         print
         source.set_storage(etype, attribute, storage)