From 844a05202e81e8aeaa25d2f0af91b984f361042e Mon Sep 17 00:00:00 2001
From: Lance Edgar <lance@edbob.org>
Date: Fri, 4 Aug 2017 16:07:35 -0500
Subject: [PATCH] Add `Client.readings` backref

---
 rattail_tempmon/db/model.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/rattail_tempmon/db/model.py b/rattail_tempmon/db/model.py
index ba7e63a..b3e1ece 100644
--- a/rattail_tempmon/db/model.py
+++ b/rattail_tempmon/db/model.py
@@ -135,7 +135,10 @@ class Reading(Base):
         Client,
         doc="""
         Reference to the tempmon client which took this reading.
-        """)
+        """,
+        backref=orm.backref(
+            'readings',
+            cascade='all, delete-orphan'))
 
     probe_uuid = sa.Column(sa.String(length=32), nullable=False)
     probe = orm.relationship(