PREHOOK: query: drop table smb_bucket_3 PREHOOK: type: DROPTABLE POSTHOOK: query: drop table smb_bucket_3 POSTHOOK: type: DROPTABLE PREHOOK: query: drop table smb_bucket_2 PREHOOK: type: DROPTABLE POSTHOOK: query: drop table smb_bucket_2 POSTHOOK: type: DROPTABLE PREHOOK: query: drop table smb_bucket_1 PREHOOK: type: DROPTABLE POSTHOOK: query: drop table smb_bucket_1 POSTHOOK: type: DROPTABLE PREHOOK: query: create table smb_bucket_1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS PREHOOK: type: CREATETABLE POSTHOOK: query: create table smb_bucket_1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS 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 PREHOOK: type: CREATETABLE POSTHOOK: query: create table smb_bucket_2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS 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 PREHOOK: type: CREATETABLE POSTHOOK: query: create table smb_bucket_3(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@smb_bucket_3 PREHOOK: query: load data local inpath '../data/files/smbbucket_1.txt' overwrite into table smb_bucket_1 PREHOOK: type: LOAD POSTHOOK: query: load data local inpath '../data/files/smbbucket_1.txt' 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.txt' overwrite into table smb_bucket_2 PREHOOK: type: LOAD POSTHOOK: query: load data local inpath '../data/files/smbbucket_2.txt' 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.txt' overwrite into table smb_bucket_3 PREHOOK: type: LOAD POSTHOOK: query: load data local inpath '../data/files/smbbucket_3.txt' 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-00_210_1829923077226292707/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-00_210_1829923077226292707/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-06_152_5173214839622756029/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-06_152_5173214839622756029/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-11_033_8583768958398984844/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-11_033_8583768958398984844/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-16_573_7787391547742353628/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-16_573_7787391547742353628/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-21_601_751472388328632390/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-21_601_751472388328632390/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-27_807_5895128564531534688/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-27_807_5895128564531534688/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-34_621_392380752222393807/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-34_621_392380752222393807/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-39_498_7247094736430991660/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-39_498_7247094736430991660/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-44_431_7704143536154480996/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-44_431_7704143536154480996/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-48_951_5922101659780969180/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-48_951_5922101659780969180/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-53_486_5129994662382156685/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-53_486_5129994662382156685/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-58_116_6789446490168521813/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-49-58_116_6789446490168521813/10000 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 smb_bucket_1 a) (TOK_TABREF smb_bucket_2 b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF 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, _col2, _col3, _col4, _col5 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string expr: _col4 type: int expr: _col5 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_2 PREHOOK: Input: default@smb_bucket_3 PREHOOK: Input: default@smb_bucket_1 PREHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-50-02_988_3713838872570451484/10000 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_2 POSTHOOK: Input: default@smb_bucket_3 POSTHOOK: Input: default@smb_bucket_1 POSTHOOK: Output: file:/Users/heyongqiang/Documents/workspace/Hive-Test/build/ql/scratchdir/hive_2010-03-02_20-50-02_988_3713838872570451484/10000 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 PREHOOK: query: drop table smb_bucket_3 PREHOOK: type: DROPTABLE POSTHOOK: query: drop table smb_bucket_3 POSTHOOK: type: DROPTABLE POSTHOOK: Output: default@smb_bucket_3 PREHOOK: query: drop table smb_bucket_2 PREHOOK: type: DROPTABLE POSTHOOK: query: drop table smb_bucket_2 POSTHOOK: type: DROPTABLE POSTHOOK: Output: default@smb_bucket_2 PREHOOK: query: drop table smb_bucket_1 PREHOOK: type: DROPTABLE POSTHOOK: query: drop table smb_bucket_1 POSTHOOK: type: DROPTABLE POSTHOOK: Output: default@smb_bucket_1