akon-dey/YCSB — pull request #1 by benjaminbrent (2014-12-11 23:18:42+00:00)
Title: Fix MongoDbClient bugs

This branch fixes two bugs in MongoDbClient:

- ClassCastExceptions raised due to the incorrect handling of field values returned by database queries in `read()`
- MongoExceptions raised due to attempts to update the `_id` field value in `update()`