diff -r 6efcdf7e2d62 -r 19b3f383c9ce iro/model/schema.py
--- a/iro/model/schema.py	Mon Jan 30 06:44:39 2012 +0100
+++ b/iro/model/schema.py	Mon Jan 30 06:51:28 2012 +0100
@@ -9,6 +9,8 @@
 
 from sqlalchemy import and_ 
 
+from ..error import JobNotFound
+
 Base = declarative_base()
 
 __tables__=["User", "Job", "Message", "Offer", "Userright"]
@@ -78,3 +80,9 @@
         if isDefault is not None:
             filters.append(Userright.isDefault==isDefault)
         return object_session(self).query(Userright.offer_name).join(Offer,User).filter(and_(*filters))
+    
+    def job(self, id):
+        job = object_session(self).query(Job).join(User).filter(and_(User.name == self.name, Job.hash==id)).first()
+        if job is None:
+            raise JobNotFound()
+        return job