PREHOOK: query: -- This is to test the union->selectstar->filesink optimization -- Union of 2 subqueries is performed (all of which are mapred queries) -- followed by select star and a file sink in 2 output tables. -- The optimiaztion does not take affect since it is a multi-table insert. -- It does not matter, whether the output is merged or not. In this case, -- merging is turned off create table inputTbl1(key string, val string) stored as textfile PREHOOK: type: CREATETABLE PREHOOK: Output: database:default PREHOOK: Output: default@inputTbl1 POSTHOOK: query: -- This is to test the union->selectstar->filesink optimization -- Union of 2 subqueries is performed (all of which are mapred queries) -- followed by select star and a file sink in 2 output tables. -- The optimiaztion does not take affect since it is a multi-table insert. -- It does not matter, whether the output is merged or not. In this case, -- merging is turned off create table inputTbl1(key string, val string) stored as textfile POSTHOOK: type: CREATETABLE POSTHOOK: Output: database:default POSTHOOK: Output: default@inputTbl1 PREHOOK: query: create table outputTbl1(key string, `values` bigint) stored as textfile PREHOOK: type: CREATETABLE PREHOOK: Output: database:default PREHOOK: Output: default@outputTbl1 POSTHOOK: query: create table outputTbl1(key string, `values` bigint) stored as textfile POSTHOOK: type: CREATETABLE POSTHOOK: Output: database:default POSTHOOK: Output: default@outputTbl1 PREHOOK: query: create table outputTbl2(key string, `values` bigint) stored as textfile PREHOOK: type: CREATETABLE PREHOOK: Output: database:default PREHOOK: Output: default@outputTbl2 POSTHOOK: query: create table outputTbl2(key string, `values` bigint) stored as textfile POSTHOOK: type: CREATETABLE POSTHOOK: Output: database:default POSTHOOK: Output: default@outputTbl2 PREHOOK: query: load data local inpath '../../data/files/T1.txt' into table inputTbl1 PREHOOK: type: LOAD #### A masked pattern was here #### PREHOOK: Output: default@inputtbl1 POSTHOOK: query: load data local inpath '../../data/files/T1.txt' into table inputTbl1 POSTHOOK: type: LOAD #### A masked pattern was here #### POSTHOOK: Output: default@inputtbl1 PREHOOK: query: explain FROM ( SELECT key, count(1) as `values` from inputTbl1 group by key UNION ALL SELECT key, count(1) as `values` from inputTbl1 group by key ) a insert overwrite table outputTbl1 select * insert overwrite table outputTbl2 select * PREHOOK: type: QUERY POSTHOOK: query: explain FROM ( SELECT key, count(1) as `values` from inputTbl1 group by key UNION ALL SELECT key, count(1) as `values` from inputTbl1 group by key ) a insert overwrite table outputTbl1 select * insert overwrite table outputTbl2 select * POSTHOOK: type: QUERY STAGE DEPENDENCIES: Stage-2 is a root stage Stage-3 depends on stages: Stage-2, Stage-4 Stage-0 depends on stages: Stage-3 Stage-1 depends on stages: Stage-3 Stage-4 is a root stage STAGE PLANS: Stage: Stage-2 Map Reduce Map Operator Tree: TableScan alias: inputtbl1 Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE Select Operator expressions: key (type: string) outputColumnNames: key Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE Group By Operator aggregations: count(1) keys: key (type: string) mode: hash outputColumnNames: _col0, _col1 Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE Reduce Output Operator key expressions: _col0 (type: string) sort order: + Map-reduce partition columns: _col0 (type: string) Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE value expressions: _col1 (type: bigint) Reduce Operator Tree: Group By Operator aggregations: count(VALUE._col0) keys: KEY._col0 (type: string) mode: mergepartial outputColumnNames: _col0, _col1 Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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-3 Map Reduce Map Operator Tree: TableScan Union Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE File Output Operator compressed: false Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 name: default.outputtbl1 File Output Operator compressed: false Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 name: default.outputtbl2 TableScan Union Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE File Output Operator compressed: false Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 name: default.outputtbl1 File Output Operator compressed: false Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 name: default.outputtbl2 Stage: Stage-0 Move Operator tables: replace: true 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 name: default.outputtbl1 Stage: Stage-1 Move Operator tables: replace: true 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 name: default.outputtbl2 Stage: Stage-4 Map Reduce Map Operator Tree: TableScan alias: inputtbl1 Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE Select Operator expressions: key (type: string) outputColumnNames: key Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE Group By Operator aggregations: count(1) keys: key (type: string) mode: hash outputColumnNames: _col0, _col1 Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE Reduce Output Operator key expressions: _col0 (type: string) sort order: + Map-reduce partition columns: _col0 (type: string) Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE value expressions: _col1 (type: bigint) Reduce Operator Tree: Group By Operator aggregations: count(VALUE._col0) keys: KEY._col0 (type: string) mode: mergepartial outputColumnNames: _col0, _col1 Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 PREHOOK: query: FROM ( SELECT key, count(1) as `values` from inputTbl1 group by key UNION ALL SELECT key, count(1) as `values` from inputTbl1 group by key ) a insert overwrite table outputTbl1 select * insert overwrite table outputTbl2 select * PREHOOK: type: QUERY PREHOOK: Input: default@inputtbl1 PREHOOK: Output: default@outputtbl1 PREHOOK: Output: default@outputtbl2 POSTHOOK: query: FROM ( SELECT key, count(1) as `values` from inputTbl1 group by key UNION ALL SELECT key, count(1) as `values` from inputTbl1 group by key ) a insert overwrite table outputTbl1 select * insert overwrite table outputTbl2 select * POSTHOOK: type: QUERY POSTHOOK: Input: default@inputtbl1 POSTHOOK: Output: default@outputtbl1 POSTHOOK: Output: default@outputtbl2 POSTHOOK: Lineage: outputtbl1.key EXPRESSION [(inputtbl1)inputtbl1.FieldSchema(name:key, type:string, comment:null), (inputtbl1)inputtbl1.FieldSchema(name:key, type:string, comment:null), ] POSTHOOK: Lineage: outputtbl1.values EXPRESSION [(inputtbl1)inputtbl1.null, (inputtbl1)inputtbl1.null, ] POSTHOOK: Lineage: outputtbl2.key EXPRESSION [(inputtbl1)inputtbl1.FieldSchema(name:key, type:string, comment:null), (inputtbl1)inputtbl1.FieldSchema(name:key, type:string, comment:null), ] POSTHOOK: Lineage: outputtbl2.values EXPRESSION [(inputtbl1)inputtbl1.null, (inputtbl1)inputtbl1.null, ] PREHOOK: query: select * from outputTbl1 order by key, `values` PREHOOK: type: QUERY PREHOOK: Input: default@outputtbl1 #### A masked pattern was here #### POSTHOOK: query: select * from outputTbl1 order by key, `values` POSTHOOK: type: QUERY POSTHOOK: Input: default@outputtbl1 #### A masked pattern was here #### 1 1 1 1 2 1 2 1 3 1 3 1 7 1 7 1 8 2 8 2 PREHOOK: query: select * from outputTbl2 order by key, `values` PREHOOK: type: QUERY PREHOOK: Input: default@outputtbl2 #### A masked pattern was here #### POSTHOOK: query: select * from outputTbl2 order by key, `values` POSTHOOK: type: QUERY POSTHOOK: Input: default@outputtbl2 #### A masked pattern was here #### 1 1 1 1 2 1 2 1 3 1 3 1 7 1 7 1 8 2 8 2