# HG changeset patch
# User Sylvain Thénault <sylvain.thenault@logilab.fr>
# Date 1298012650 -3600
# Node ID 7e402e92caa625e0d5860fb99c23d61e736fc26a
# Parent  123947d4a875bb82b05a29d8d3ff8ba6d551ed7c# Parent  5ff6cb8bd2b3d2e65bff1db6fdac9a49e61478e3
backport stable

diff -r 123947d4a875 -r 7e402e92caa6 server/schemaserial.py
--- a/server/schemaserial.py	Thu Feb 17 16:46:38 2011 +0100
+++ b/server/schemaserial.py	Fri Feb 18 08:04:10 2011 +0100
@@ -235,7 +235,14 @@
             uniquecstreid, eeid, releid = values
             eschema = schema.schema_by_eid(eeid)
             relations = unique_togethers.setdefault(uniquecstreid, (eschema, []))
-            relations[1].append(ertidx[releid])
+            rel = ertidx[releid]
+            if isinstance(rel, schemamod.RelationDefinitionSchema):
+                # not yet migrated 3.9 database ('relations' target type changed
+                # to CWRType in 3.10)
+                rtype = rel.rtype.type
+            else:
+                rtype = str(rel)
+            relations[1].append(rtype)
         for eschema, unique_together in unique_togethers.itervalues():
             eschema._unique_together.append(tuple(sorted(unique_together)))
     schema.infer_specialization_rules()