PREHOOK: query: EXPLAIN SELECT sum('a'), avg('a'), variance('a'), std('a') FROM src PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT sum('a'), avg('a'), variance('a'), std('a') FROM src POSTHOOK: type: QUERY STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 depends on stages: Stage-1 STAGE PLANS: Stage: Stage-1 Map Reduce Map Operator Tree: TableScan alias: src Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE Select Operator Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE Group By Operator aggregations: sum('a'), avg('a'), variance('a'), std('a') mode: hash outputColumnNames: _col0, _col1, _col2, _col3 Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE Reduce Output Operator sort order: Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: COMPLETE value expressions: _col0 (type: double), _col1 (type: struct), _col2 (type: struct), _col3 (type: struct) Reduce Operator Tree: Group By Operator aggregations: sum(VALUE._col0), avg(VALUE._col1), variance(VALUE._col2), std(VALUE._col3) mode: mergepartial outputColumnNames: _col0, _col1, _col2, _col3 Statistics: Num rows: 1 Data size: 32 Basic stats: COMPLETE Column stats: COMPLETE File Output Operator compressed: false Statistics: Num rows: 1 Data size: 32 Basic stats: COMPLETE Column stats: COMPLETE table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe Stage: Stage-0 Fetch Operator limit: -1 Processor Tree: ListSink PREHOOK: query: SELECT sum('a'), avg('a'), variance('a'), std('a') FROM src PREHOOK: type: QUERY PREHOOK: Input: default@src #### A masked pattern was here #### POSTHOOK: query: SELECT sum('a'), avg('a'), variance('a'), std('a') FROM src POSTHOOK: type: QUERY POSTHOOK: Input: default@src #### A masked pattern was here #### 0.0 NULL NULL NULL