CQL encode floats with repr to preserve precision.

aholmberg · aholmberg · commit 6a49d9dcd03f · 2015-03-23T10:53:14.000-05:00
diff --git a/cassandra/encoder.py b/cassandra/encoder.py
@@ -67,7 +67,7 @@ class Encoder(object):
 
     def __init__(self):
         self.mapping = {
-            float: self.cql_encode_object,
+            float: self.cql_encode_float,
             bytearray: self.cql_encode_bytes,
             str: self.cql_encode_str,
             int: self.cql_encode_object,
@@ -138,6 +138,12 @@ def cql_encode_object(self, val):
         """
         return str(val)
 
+    def cql_encode_float(self, val):
+        """
+        Encode floats using repr to preserve precision
+        """
+        return repr(val)
+
     def cql_encode_datetime(self, val):
         """
         Converts a :class:`datetime.datetime` object to a (string) integer timestamp
