From 2f30f90a75e52e34250cd0f44cfe811eae601246 Mon Sep 17 00:00:00 2001
From: Jonathan Zernik <yzernik@gmail.com>
Date: Fri, 5 Jun 2020 20:24:18 -0700
Subject: [PATCH] Handle lookup requests with empty address list without
 crashing (#35)

---
 squeakserver/server/postgres_db.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/squeakserver/server/postgres_db.py b/squeakserver/server/postgres_db.py
index db4dc8cf..b7181f3d 100644
--- a/squeakserver/server/postgres_db.py
+++ b/squeakserver/server/postgres_db.py
@@ -99,6 +99,9 @@ class PostgresDb():
         addresses_tuple = tuple(addresses)
         logger.info("Lookup query with addresses tuple: " + str(addresses_tuple))
 
+        if not addresses:
+            return []
+
         with psycopg2.connect(**self.params) as conn:
             with conn.cursor() as curs:
                 # mogrify to debug.