amplab/shark — pull request #23 by HarveyFeng (2012-05-30 22:21:07+00:00)
Title: Used SerDe for serializing mapjoin values and fixed NPE in selecting from partitions w/ no data

Fix for issues #6 and #10.

Tested using Hive-generated mapjoin tests from src/test/tests_pass.txt (join25-49, cp_mj_rc, bucketmapjoin*, mapjoin_mapjoin, mapjoin_subquery, mapjoin_mapjoin1)