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 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 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 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)*/ * from smb_bucket_1 a join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a)*/ * from smb_bucket_1 a join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_3) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a))) (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: b TableScan alias: b Sorted Merge Bucket Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5 Position of Big Table: 1 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 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)*/ * from smb_bucket_1 a join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-01_554_5589495589097152569/-mr-10000 POSTHOOK: query: select /*+mapjoin(a)*/ * from smb_bucket_1 a join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-01_554_5589495589097152569/-mr-10000 4 val_4 4 val_4 10 val_10 10 val_10 PREHOOK: query: explain select /*+mapjoin(a)*/ * from smb_bucket_1 a left outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a)*/ * from smb_bucket_1 a left outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_3) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a))) (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: b TableScan alias: b Sorted Merge Bucket Map Join Operator condition map: Left Outer Join0 to 1 condition expressions: 0 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5 Position of Big Table: 1 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 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)*/ * from smb_bucket_1 a left outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-05_295_7333690104119293658/-mr-10000 POSTHOOK: query: select /*+mapjoin(a)*/ * from smb_bucket_1 a left outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-05_295_7333690104119293658/-mr-10000 1 val_1 NULL NULL 3 val_3 NULL NULL 4 val_4 4 val_4 5 val_5 NULL NULL 10 val_10 10 val_10 PREHOOK: query: explain select /*+mapjoin(a)*/ * from smb_bucket_1 a right outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a)*/ * from smb_bucket_1 a right outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_3) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a))) (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: b TableScan alias: b Sorted Merge Bucket Map Join Operator condition map: Right Outer Join0 to 1 condition expressions: 0 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5 Position of Big Table: 1 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 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)*/ * from smb_bucket_1 a right outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-09_055_3895867573612357004/-mr-10000 POSTHOOK: query: select /*+mapjoin(a)*/ * from smb_bucket_1 a right outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-09_055_3895867573612357004/-mr-10000 4 val_4 4 val_4 10 val_10 10 val_10 NULL NULL 17 val_17 NULL NULL 19 val_19 NULL NULL 20 val_20 NULL NULL 23 val_23 PREHOOK: query: explain select /*+mapjoin(a)*/ * from smb_bucket_1 a full outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(a)*/ * from smb_bucket_1 a full outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_3) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a))) (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: b TableScan alias: b Sorted Merge Bucket Map Join Operator condition map: Outer Join 0 to 1 condition expressions: 0 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5 Position of Big Table: 1 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 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)*/ * from smb_bucket_1 a full outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-12_814_5282307948763828020/-mr-10000 POSTHOOK: query: select /*+mapjoin(a)*/ * from smb_bucket_1 a full outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-12_814_5282307948763828020/-mr-10000 1 val_1 NULL NULL 3 val_3 NULL NULL 4 val_4 4 val_4 5 val_5 NULL NULL 10 val_10 10 val_10 NULL NULL 17 val_17 NULL NULL 19 val_19 NULL NULL 20 val_20 NULL NULL 23 val_23 PREHOOK: query: explain select /*+mapjoin(b)*/ * from smb_bucket_1 a join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(b)*/ * from smb_bucket_1 a join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_3) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST 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: a TableScan alias: a Sorted Merge Bucket Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 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(b)*/ * from smb_bucket_1 a join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-16_526_308791906304935925/-mr-10000 POSTHOOK: query: select /*+mapjoin(b)*/ * from smb_bucket_1 a join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-16_526_308791906304935925/-mr-10000 4 val_4 4 val_4 10 val_10 10 val_10 PREHOOK: query: explain select /*+mapjoin(b)*/ * from smb_bucket_1 a left outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(b)*/ * from smb_bucket_1 a left outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_3) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST 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: a TableScan alias: a Sorted Merge Bucket Map Join Operator condition map: Left Outer Join0 to 1 condition expressions: 0 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 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(b)*/ * from smb_bucket_1 a left outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-20_282_6133655585191191057/-mr-10000 POSTHOOK: query: select /*+mapjoin(b)*/ * from smb_bucket_1 a left outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-20_282_6133655585191191057/-mr-10000 1 val_1 NULL NULL 3 val_3 NULL NULL 4 val_4 4 val_4 5 val_5 NULL NULL 10 val_10 10 val_10 PREHOOK: query: explain select /*+mapjoin(b)*/ * from smb_bucket_1 a right outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(b)*/ * from smb_bucket_1 a right outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_3) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST 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: a TableScan alias: a Sorted Merge Bucket Map Join Operator condition map: Right Outer Join0 to 1 condition expressions: 0 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 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(b)*/ * from smb_bucket_1 a right outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-23_998_437017139704748980/-mr-10000 POSTHOOK: query: select /*+mapjoin(b)*/ * from smb_bucket_1 a right outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-23_998_437017139704748980/-mr-10000 4 val_4 4 val_4 10 val_10 10 val_10 NULL NULL 17 val_17 NULL NULL 19 val_19 NULL NULL 20 val_20 NULL NULL 23 val_23 PREHOOK: query: explain select /*+mapjoin(b)*/ * from smb_bucket_1 a full outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY POSTHOOK: query: explain select /*+mapjoin(b)*/ * from smb_bucket_1 a full outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_TABREF (TOK_TABNAME smb_bucket_1) a) (TOK_TABREF (TOK_TABNAME smb_bucket_3) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST 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: a TableScan alias: a Sorted Merge Bucket Map Join Operator condition map: Outer Join 0 to 1 condition expressions: 0 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col4, _col5 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 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(b)*/ * from smb_bucket_1 a full outer join smb_bucket_3 b on a.key = b.key PREHOOK: type: QUERY PREHOOK: Input: default@smb_bucket_1 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-27_788_9166222761108431986/-mr-10000 POSTHOOK: query: select /*+mapjoin(b)*/ * from smb_bucket_1 a full outer join smb_bucket_3 b on a.key = b.key POSTHOOK: type: QUERY POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-14-27_788_9166222761108431986/-mr-10000 1 val_1 NULL NULL 3 val_3 NULL NULL 4 val_4 4 val_4 5 val_5 NULL NULL 10 val_10 10 val_10 NULL NULL 17 val_17 NULL NULL 19 val_19 NULL NULL 20 val_20 NULL NULL 23 val_23