From e11a0b0d7c93366a4875e2ef5b1b998941017014 Mon Sep 17 00:00:00 2001
From: Blake Eggleston <bdeggleston@gmail.com>
Date: Sat, 13 Jul 2013 12:13:48 -0700
Subject: [PATCH] adding hex conversion to Bytes column

---
 cqlengine/columns.py                     | 5 +++++
 cqlengine/tests/columns/test_value_io.py | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/cqlengine/columns.py b/cqlengine/columns.py
index 3b7a22d0..f82e468f 100644
--- a/cqlengine/columns.py
+++ b/cqlengine/columns.py
@@ -195,6 +195,11 @@ class Column(object):
 class Bytes(Column):
     db_type = 'blob'
 
+    def to_database(self, value):
+        val = super(Bytes, self).to_database(value)
+        if val is None: return
+        return val.encode('hex')
+
 class Ascii(Column):
     db_type = 'ascii'
 
diff --git a/cqlengine/tests/columns/test_value_io.py b/cqlengine/tests/columns/test_value_io.py
index 64054279..1c822a9e 100644
--- a/cqlengine/tests/columns/test_value_io.py
+++ b/cqlengine/tests/columns/test_value_io.py
@@ -77,6 +77,12 @@ class BaseColumnIOTest(BaseCassEngTestCase):
             #delete
             self._generated_model.filter(pkey=pkey).delete()
 
+class TestBlobIO(BaseColumnIOTest):
+
+    column = columns.Bytes
+    pkey_val = 'blake', uuid4().bytes
+    data_val = 'eggleston', uuid4().bytes
+
 class TestTextIO(BaseColumnIOTest):
 
     column = columns.Text