when indexing float, use repr rather than str to have better precision

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34572 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/patches/sqlvar.py

@@ -54,7 +54,9 @@ def SQLVar_render(self, md):
                 if v[-1:]=='L':
                     v=v[:-1]
                 atof(v)
-            else: v=str(float(v))
+            # ERP5 patch, we use repr that have better precision than str for
+            # floats
+            else: v=repr(float(v))
         except:
             if not v and args.has_key('optional') and args['optional']:
                 return 'null'