| PREHOOK: query: EXPLAIN |
| SELECT src.key, sum(substr(src.value,5)) FROM src GROUP BY src.key ORDER BY src.key LIMIT 5 |
| PREHOOK: type: QUERY |
| POSTHOOK: query: EXPLAIN |
| SELECT src.key, sum(substr(src.value,5)) FROM src GROUP BY src.key ORDER BY src.key LIMIT 5 |
| POSTHOOK: type: QUERY |
| STAGE DEPENDENCIES: |
| Stage-1 is a root stage |
| Stage-2 depends on stages: Stage-1 |
| Stage-0 depends on stages: Stage-2 |
| |
| 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: NONE |
| Select Operator |
| expressions: key (type: string), substr(value, 5) (type: string) |
| outputColumnNames: _col0, _col1 |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Group By Operator |
| aggregations: sum(_col1) |
| keys: _col0 (type: string) |
| mode: hash |
| outputColumnNames: _col0, _col1 |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Reduce Output Operator |
| key expressions: _col0 (type: string) |
| sort order: + |
| Map-reduce partition columns: _col0 (type: string) |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| TopN Hash Memory Usage: 0.1 |
| value expressions: _col1 (type: double) |
| Reduce Operator Tree: |
| Group By Operator |
| aggregations: sum(VALUE._col0) |
| keys: KEY._col0 (type: string) |
| mode: mergepartial |
| outputColumnNames: _col0, _col1 |
| Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE |
| File Output Operator |
| compressed: false |
| table: |
| input format: org.apache.hadoop.mapred.SequenceFileInputFormat |
| output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat |
| serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe |
| |
| Stage: Stage-2 |
| Map Reduce |
| Map Operator Tree: |
| TableScan |
| Reduce Output Operator |
| key expressions: _col0 (type: string) |
| sort order: + |
| Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE |
| TopN Hash Memory Usage: 0.1 |
| value expressions: _col1 (type: double) |
| Execution mode: vectorized |
| Reduce Operator Tree: |
| Select Operator |
| expressions: KEY.reducesinkkey0 (type: string), VALUE._col0 (type: double) |
| outputColumnNames: _col0, _col1 |
| Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE |
| Limit |
| Number of rows: 5 |
| Statistics: Num rows: 5 Data size: 50 Basic stats: COMPLETE Column stats: NONE |
| File Output Operator |
| compressed: false |
| Statistics: Num rows: 5 Data size: 50 Basic stats: COMPLETE Column stats: NONE |
| table: |
| input format: org.apache.hadoop.mapred.SequenceFileInputFormat |
| output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat |
| serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe |
| |
| Stage: Stage-0 |
| Fetch Operator |
| limit: 5 |
| Processor Tree: |
| ListSink |
| |
| PREHOOK: query: SELECT src.key, sum(substr(src.value,5)) FROM src GROUP BY src.key ORDER BY src.key LIMIT 5 |
| PREHOOK: type: QUERY |
| PREHOOK: Input: default@src |
| #### A masked pattern was here #### |
| POSTHOOK: query: SELECT src.key, sum(substr(src.value,5)) FROM src GROUP BY src.key ORDER BY src.key LIMIT 5 |
| POSTHOOK: type: QUERY |
| POSTHOOK: Input: default@src |
| #### A masked pattern was here #### |
| 0 0.0 |
| 10 10.0 |
| 100 200.0 |
| 103 206.0 |
| 104 208.0 |
