Hashes cache keys for memcached support.

cachalot/monkey_patch.py

@@ -3,6 +3,7 @@
 from __future__ import unicode_literals
 from collections import defaultdict, Iterable
 from functools import wraps
+from hashlib import md5
 import re
 
 from django.conf import settings
@@ -30,6 +31,10 @@ PATCHED = False
 MISS_VALUE = '[[Missing cache key]]'
 
 
+def _get_query_cache_key(compiler):
+    return md5('%s:%s' % compiler.as_sql()).hexdigest()
+
+
 def _get_tables(query):
     """
     Returns a ``set`` of all database table names used by ``query``.
@@ -175,7 +180,7 @@ def _patch_orm_read():
                 return original(compiler, *args, **kwargs)
 
             try:
-                cache_key = compiler.as_sql()
+                cache_key = _get_query_cache_key(compiler)
             except EmptyResultSet:
                 return original(compiler, *args, **kwargs)