diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/server/test/data-migractions/cubes/fakecustomtype/schema.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/server/test/data-migractions/cubes/fakecustomtype/schema.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,7 @@
+
+from yams.buildobjs import EntityType, make_type
+
+Numeric = make_type('Numeric')
+
+class Location(EntityType):
+    num = Numeric(scale=10, precision=18)