From bd7f4f30d57ae3ed0de09385e1f360a36dc704eb Mon Sep 17 00:00:00 2001
From: Andre D <andre@andred.ca>
Date: Mon, 20 Feb 2012 23:43:52 -0600
Subject: [PATCH] Prevent evaluating as a bool

---
 r2/r2/lib/db/tdb_sql.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/r2/r2/lib/db/tdb_sql.py b/r2/r2/lib/db/tdb_sql.py
index 0d3e55dc4..ad2a9ccfb 100644
--- a/r2/r2/lib/db/tdb_sql.py
+++ b/r2/r2/lib/db/tdb_sql.py
@@ -794,7 +794,7 @@ def find_data(type_id, get_cols, sort, limit, constraints):
                 alias = d_table.alias()
                 id_col = first_alias.c.thing_id
 
-            if id_col:
+            if id_col is not None:
                 s.append_whereclause(id_col == alias.c.thing_id)
             
             s.append_column(alias.c.value.label(key))