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Review request for Hive Developers. Summary ------- This patch adds UDFContext, a singleton class that provides UDFs with runtime access to the JobConf. This patch borrows heavily from PIG-1085. This addresses bug HIVE-1016. http://issues.apache.org/jira/browse/HIVE-1016 Diffs ----- ql/src/java/org/apache/hadoop/hive/ql/exec/ExecMapper.java c257217 ql/src/java/org/apache/hadoop/hive/ql/exec/ExecReducer.java 3d7c798 ql/src/java/org/apache/hadoop/hive/ql/exec/UDFContext.java PRE-CREATION ql/src/test/org/apache/hadoop/hive/ql/udf/UDFGetConfProp.java PRE-CREATION ql/src/test/queries/clientpositive/udf_testcontext.q PRE-CREATION ql/src/test/results/clientpositive/udf_testcontext.q.out PRE-CREATION Diff: http://review.cloudera.org/r/748/diff Testing ------- Thanks, Carl