PREHOOK: query: create table smb_bucket_1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE PREHOOK: type: CREATETABLE POSTHOOK: query: create table smb_bucket_1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@smb_bucket_1 PREHOOK: query: create table smb_bucket_2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE PREHOOK: type: CREATETABLE POSTHOOK: query: create table smb_bucket_2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@smb_bucket_2 PREHOOK: query: create table smb_bucket_3(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE PREHOOK: type: CREATETABLE POSTHOOK: query: create table smb_bucket_3(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@smb_bucket_3 PREHOOK: query: load data local inpath '../data/files/smbbucket_1.rc' overwrite into table smb_bucket_1 PREHOOK: type: LOAD PREHOOK: Output: default@smb_bucket_1 POSTHOOK: query: load data local inpath '../data/files/smbbucket_1.rc' overwrite into table smb_bucket_1 POSTHOOK: type: LOAD POSTHOOK: Output: default@smb_bucket_1 PREHOOK: query: load data local inpath '../data/files/smbbucket_2.rc' overwrite into table smb_bucket_2 PREHOOK: type: LOAD PREHOOK: Output: default@smb_bucket_2 POSTHOOK: query: load data local inpath '../data/files/smbbucket_2.rc' overwrite into table smb_bucket_2 POSTHOOK: type: LOAD POSTHOOK: Output: default@smb_bucket_2 PREHOOK: query: load data local inpath '../data/files/smbbucket_3.rc' overwrite into table smb_bucket_3 PREHOOK: type: LOAD PREHOOK: Output: default@smb_bucket_3 POSTHOOK: query: load data local inpath '../data/files/smbbucket_3.rc' overwrite into table smb_bucket_3 POSTHOOK: type: LOAD POSTHOOK: Output: default@smb_bucket_3 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Inner Join 0 to 1 Inner Join 1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-16-49_321_3966901017045056953/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-16-49_321_3966901017045056953/-mr-10000 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Left Outer Join0 to 1 Inner Join 1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-16-52_609_7903256946036561523/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-16-52_609_7903256946036561523/-mr-10000 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Left Outer Join0 to 1 Left Outer Join1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-16-55_833_4731338482914814383/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-16-55_833_4731338482914814383/-mr-10000 1 val_1 NULL NULL NULL NULL 3 val_3 NULL NULL NULL NULL 4 val_4 NULL NULL NULL NULL 5 val_5 NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Left Outer Join0 to 1 Right Outer Join1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-16-59_060_6885897898144326961/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-16-59_060_6885897898144326961/-mr-10000 NULL NULL NULL NULL 4 val_4 NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL 17 val_17 NULL NULL NULL NULL 19 val_19 NULL NULL NULL NULL 20 val_20 NULL NULL NULL NULL 23 val_23 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Left Outer Join0 to 1 Outer Join 1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-02_477_3066768832500086224/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-02_477_3066768832500086224/-mr-10000 1 val_1 NULL NULL NULL NULL 3 val_3 NULL NULL NULL NULL 4 val_4 NULL NULL NULL NULL NULL NULL NULL NULL 4 val_4 5 val_5 NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL 17 val_17 NULL NULL NULL NULL 19 val_19 NULL NULL NULL NULL 20 val_20 NULL NULL NULL NULL 23 val_23 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_RIGHTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Right Outer Join0 to 1 Inner Join 1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-05_777_1313016308874669202/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-05_777_1313016308874669202/-mr-10000 NULL NULL 20 val_20 20 val_20 NULL NULL 23 val_23 23 val_23 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_RIGHTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Right Outer Join0 to 1 Left Outer Join1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-09_122_6064666085021507736/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-09_122_6064666085021507736/-mr-10000 NULL NULL 20 val_20 20 val_20 NULL NULL 23 val_23 23 val_23 NULL NULL 25 val_25 NULL NULL NULL NULL 30 val_30 NULL NULL PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_RIGHTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Right Outer Join0 to 1 Right Outer Join1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-12_331_9066526170001430264/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-12_331_9066526170001430264/-mr-10000 NULL NULL NULL NULL 4 val_4 NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL 17 val_17 NULL NULL NULL NULL 19 val_19 NULL NULL 20 val_20 20 val_20 NULL NULL 23 val_23 23 val_23 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_RIGHTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Right Outer Join0 to 1 Outer Join 1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-15_548_3077982864155533470/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-15_548_3077982864155533470/-mr-10000 NULL NULL NULL NULL 4 val_4 NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL 17 val_17 NULL NULL NULL NULL 19 val_19 NULL NULL 20 val_20 20 val_20 NULL NULL 23 val_23 23 val_23 NULL NULL 25 val_25 NULL NULL NULL NULL 30 val_30 NULL NULL PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_FULLOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Outer Join 0 to 1 Inner Join 1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-18_783_1707777207222799965/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-18_783_1707777207222799965/-mr-10000 NULL NULL 20 val_20 20 val_20 NULL NULL 23 val_23 23 val_23 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_FULLOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Outer Join 0 to 1 Left Outer Join1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-22_135_3196413763184480906/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key left outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-22_135_3196413763184480906/-mr-10000 1 val_1 NULL NULL NULL NULL 3 val_3 NULL NULL NULL NULL 4 val_4 NULL NULL NULL NULL 5 val_5 NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL NULL NULL 20 val_20 20 val_20 NULL NULL 23 val_23 23 val_23 NULL NULL 25 val_25 NULL NULL NULL NULL 30 val_30 NULL NULL PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_FULLOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Outer Join 0 to 1 Right Outer Join1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-25_402_68522573808341044/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key right outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-25_402_68522573808341044/-mr-10000 NULL NULL NULL NULL 4 val_4 NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL 17 val_17 NULL NULL NULL NULL 19 val_19 NULL NULL 20 val_20 20 val_20 NULL NULL 23 val_23 23 val_23 PREHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_FULLOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME smb_bucket_3) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a b))) (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c TableScan alias: c Sorted Merge Bucket Map Join Operator condition map: Outer Join 0 to 1 Outer Join 1 to 2 condition expressions: 0 {key} {value} 1 {key} {value} 2 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] 2 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string expr: _col8 type: int expr: _col9 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-28_578_3471954978455115358/-mr-10000 POSTHOOK: query: select /*+mapjoin(a,b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key full outer join smb_bucket_3 c on b.key=c.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_05-17-28_578_3471954978455115358/-mr-10000 1 val_1 NULL NULL NULL NULL 3 val_3 NULL NULL NULL NULL 4 val_4 NULL NULL NULL NULL NULL NULL NULL NULL 4 val_4 5 val_5 NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL NULL NULL NULL NULL 10 val_10 NULL NULL NULL NULL 17 val_17 NULL NULL NULL NULL 19 val_19 NULL NULL 20 val_20 20 val_20 NULL NULL 23 val_23 23 val_23 NULL NULL 25 val_25 NULL NULL NULL NULL 30 val_30 NULL NULL