From b5c0c4623bc865cdb8094abb533b227a1372678c Mon Sep 17 00:00:00 2001
From: Matthew Perry <perrygeo@gmail.com>
Date: Tue, 2 May 2017 09:14:56 -0600
Subject: [PATCH] gaurd against sqlite transaction bug in py36

---
 .travis.yml    | 1 +
 mbutil/util.py | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 2bb6d6a..b89ac9a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: python
 python:
   - 2.6
   - 2.7
+  - 3.6
 install:
   - pip install nose
 script:
diff --git a/mbutil/util.py b/mbutil/util.py
index 3e82b76..46bf603 100755
--- a/mbutil/util.py
+++ b/mbutil/util.py
@@ -71,7 +71,13 @@ def optimize_database(cur, silent):
     cur.execute("""ANALYZE;""")
     if not silent: 
         logger.debug('cleaning db')
+
+    # Workaround for python>=3.6.0,python<3.6.2
+    # https://bugs.python.org/issue28518
+    cur.isolation_level = None
     cur.execute("""VACUUM;""")
+    cur.isolation_level = ''  # reset default value of isolation_level
+
 
 def compression_do(cur, con, chunk, silent):
     if not silent: