PREHOOK: query: select count(distinct subq.key) from (FROM src MAP src.key USING 'python dumpdata_script.py' AS key WHERE src.key = 10) subq PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/tmp/jssarma/hive_2010-10-04_17-16-17_108_6441093232864440768/-mr-10000 POSTHOOK: query: select count(distinct subq.key) from (FROM src MAP src.key USING 'python dumpdata_script.py' AS key WHERE src.key = 10) subq POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/tmp/jssarma/hive_2010-10-04_17-16-17_108_6441093232864440768/-mr-10000 1000022