| PREHOOK: query: -- SORT_BEFORE_DIFF |
| -- union case: both subqueries are map-reduce jobs on same input, followed by reduce sink |
| |
| explain |
| select count(1) FROM (select s1.key as key, s1.value as value from src s1 UNION ALL |
| select s2.key as key, s2.value as value from src s2) unionsrc |
| PREHOOK: type: QUERY |
| POSTHOOK: query: -- SORT_BEFORE_DIFF |
| -- union case: both subqueries are map-reduce jobs on same input, followed by reduce sink |
| |
| explain |
| select count(1) FROM (select s1.key as key, s1.value as value from src s1 UNION ALL |
| select s2.key as key, s2.value as value from src s2) unionsrc |
| POSTHOOK: type: QUERY |
| STAGE DEPENDENCIES: |
| Stage-1 is a root stage |
| Stage-0 depends on stages: Stage-1 |
| |
| STAGE PLANS: |
| Stage: Stage-1 |
| Tez |
| Edges: |
| Map 1 <- Union 2 (CONTAINS) |
| Map 4 <- Union 2 (CONTAINS) |
| Reducer 3 <- Union 2 (SIMPLE_EDGE) |
| #### A masked pattern was here #### |
| Vertices: |
| Map 1 |
| Map Operator Tree: |
| TableScan |
| alias: s1 |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Select Operator |
| expressions: value (type: string) |
| outputColumnNames: _col0 |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Select Operator |
| Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE |
| Group By Operator |
| aggregations: count(1) |
| mode: hash |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| Reduce Output Operator |
| sort order: |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| value expressions: _col0 (type: bigint) |
| Execution mode: llap |
| Map 4 |
| Map Operator Tree: |
| TableScan |
| alias: s1 |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Select Operator |
| expressions: value (type: string) |
| outputColumnNames: _col0 |
| Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE |
| Select Operator |
| Statistics: Num rows: 1000 Data size: 10624 Basic stats: COMPLETE Column stats: NONE |
| Group By Operator |
| aggregations: count(1) |
| mode: hash |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| Reduce Output Operator |
| sort order: |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| value expressions: _col0 (type: bigint) |
| Execution mode: llap |
| Reducer 3 |
| Execution mode: uber |
| Reduce Operator Tree: |
| Group By Operator |
| aggregations: count(VALUE._col0) |
| mode: mergepartial |
| outputColumnNames: _col0 |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| File Output Operator |
| compressed: false |
| Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE |
| 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 |
| Union 2 |
| Vertex: Union 2 |
| |
| Stage: Stage-0 |
| Fetch Operator |
| limit: -1 |
| Processor Tree: |
| ListSink |
| |
| PREHOOK: query: select count(1) FROM (select s1.key as key, s1.value as value from src s1 UNION ALL |
| select s2.key as key, s2.value as value from src s2) unionsrc |
| PREHOOK: type: QUERY |
| PREHOOK: Input: default@src |
| #### A masked pattern was here #### |
| POSTHOOK: query: select count(1) FROM (select s1.key as key, s1.value as value from src s1 UNION ALL |
| select s2.key as key, s2.value as value from src s2) unionsrc |
| POSTHOOK: type: QUERY |
| POSTHOOK: Input: default@src |
| #### A masked pattern was here #### |
| 1000 |
