PREHOOK: query: EXPLAIN SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src) x) (TOK_TABREF (TOK_TABNAME src1) y) (= (. (TOK_TABLE_OR_COL x) key) (. (TOK_TABLE_OR_COL y) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key) key) (TOK_SELEXPR (TOK_FUNCTION count 1) cnt)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL x) key)))) xx) (TOK_TABREF (TOK_TABNAME src1) yy) (= (. (TOK_TABLE_OR_COL xx) key) (. (TOK_TABLE_OR_COL yy) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL xx) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL xx) cnt)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL yy) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL yy) value))) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL xx) key)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL xx) cnt)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL yy) key)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL yy) value))))) STAGE DEPENDENCIES: Stage-9 is a root stage Stage-4 depends on stages: Stage-9 Stage-8 depends on stages: Stage-4 Stage-2 depends on stages: Stage-8 Stage-0 is a root stage STAGE PLANS: Stage: Stage-9 Map Reduce Local Work Alias -> Map Local Tables: xx:y Fetch Operator limit: -1 Alias -> Map Local Operator Tree: xx:y TableScan alias: y HashTable Sink Operator condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] Position of Big Table: 0 Stage: Stage-4 Map Reduce Alias -> Map Operator Tree: xx:x TableScan alias: x Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 Group By Operator aggregations: expr: count(1) bucketGroup: false keys: expr: _col0 type: string mode: hash outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: -1 value expressions: expr: _col1 type: bigint Local Work: Map Reduce Local Work Reduce Operator Tree: Group By Operator aggregations: expr: count(VALUE._col0) bucketGroup: false keys: expr: KEY._col0 type: string mode: mergepartial outputColumnNames: _col0, _col1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint outputColumnNames: _col0, _col1 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Stage: Stage-8 Map Reduce Local Work Alias -> Map Local Tables: yy Fetch Operator limit: -1 Alias -> Map Local Operator Tree: yy TableScan alias: yy HashTable Sink Operator condition expressions: 0 {_col0} {_col1} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[key]] Position of Big Table: 0 Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: $INTNAME Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {_col0} {_col1} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col2, _col3 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 Reduce Output Operator key expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string sort order: ++++ tag: -1 value expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string Local Work: Map Reduce Local Work Reduce Operator Tree: Extract 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 xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Input: default@src1 #### A masked pattern was here #### POSTHOOK: query: SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Input: default@src1 #### A masked pattern was here #### 128 3 128 146 2 146 val_146 150 1 150 val_150 213 2 213 val_213 224 2 224 238 2 238 val_238 255 2 255 val_255 273 3 273 val_273 278 2 278 val_278 311 3 311 val_311 369 3 369 401 5 401 val_401 406 4 406 val_406 66 1 66 val_66 98 2 98 val_98 PREHOOK: query: EXPLAIN SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src) x) (TOK_TABREF (TOK_TABNAME src1) y) (= (. (TOK_TABLE_OR_COL x) key) (. (TOK_TABLE_OR_COL y) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key) key) (TOK_SELEXPR (TOK_FUNCTION count 1) cnt)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL x) key)))) xx) (TOK_TABREF (TOK_TABNAME src1) yy) (= (. (TOK_TABLE_OR_COL xx) key) (. (TOK_TABLE_OR_COL yy) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL xx) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL xx) cnt)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL yy) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL yy) value))) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL xx) key)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL xx) cnt)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL yy) key)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL yy) value))))) STAGE DEPENDENCIES: Stage-6 is a root stage Stage-1 depends on stages: Stage-6 Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-6 Map Reduce Local Work Alias -> Map Local Tables: xx:y Fetch Operator limit: -1 Alias -> Map Local Operator Tree: xx:y TableScan alias: y HashTable Sink Operator condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] Position of Big Table: 0 Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: xx:x TableScan alias: x Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 Group By Operator aggregations: expr: count(1) bucketGroup: false keys: expr: _col0 type: string mode: hash outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 0 value expressions: expr: _col1 type: bigint yy TableScan alias: yy Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Local Work: Map Reduce Local Work Reduce Operator Tree: Demux Operator Group By Operator aggregations: expr: count(VALUE._col0) bucketGroup: false keys: expr: KEY._col0 type: string mode: mergepartial outputColumnNames: _col0, _col1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint outputColumnNames: _col0, _col1 Mux Operator Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col2, _col3 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Mux Operator Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col2, _col3 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: #### A masked pattern was here #### Reduce Output Operator key expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string sort order: ++++ tag: -1 value expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string Reduce Operator Tree: Extract 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 xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Input: default@src1 #### A masked pattern was here #### POSTHOOK: query: SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Input: default@src1 #### A masked pattern was here #### 128 3 128 146 2 146 val_146 150 1 150 val_150 213 2 213 val_213 224 2 224 238 2 238 val_238 255 2 255 val_255 273 3 273 val_273 278 2 278 val_278 311 3 311 val_311 369 3 369 401 5 401 val_401 406 4 406 val_406 66 1 66 val_66 98 2 98 val_98 PREHOOK: query: -- Without correlation optimizer, we will have 3 MR jobs. -- The first one is a MapJoin and Aggregation (in the Reduce Phase). -- The second one is another MapJoin. The third one is for ordering. -- With the correlation optimizer, right now, we have -- 2 MR jobs. The first one will evaluate the sub-query xx and the join of -- xx and yy. The second one will do the ORDER BY. EXPLAIN SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value PREHOOK: type: QUERY POSTHOOK: query: -- Without correlation optimizer, we will have 3 MR jobs. -- The first one is a MapJoin and Aggregation (in the Reduce Phase). -- The second one is another MapJoin. The third one is for ordering. -- With the correlation optimizer, right now, we have -- 2 MR jobs. The first one will evaluate the sub-query xx and the join of -- xx and yy. The second one will do the ORDER BY. EXPLAIN SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src) x) (TOK_TABREF (TOK_TABNAME src1) y) (= (. (TOK_TABLE_OR_COL x) key) (. (TOK_TABLE_OR_COL y) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key) key) (TOK_SELEXPR (TOK_FUNCTION count 1) cnt)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL x) key)))) xx) (TOK_TABREF (TOK_TABNAME src1) yy) (= (. (TOK_TABLE_OR_COL xx) key) (. (TOK_TABLE_OR_COL yy) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL xx) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL xx) cnt)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL yy) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL yy) value))) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL xx) key)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL xx) cnt)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL yy) key)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL yy) value))))) STAGE DEPENDENCIES: Stage-9 is a root stage Stage-4 depends on stages: Stage-9 Stage-8 depends on stages: Stage-4 Stage-2 depends on stages: Stage-8 Stage-0 is a root stage STAGE PLANS: Stage: Stage-9 Map Reduce Local Work Alias -> Map Local Tables: xx:y Fetch Operator limit: -1 Alias -> Map Local Operator Tree: xx:y TableScan alias: y HashTable Sink Operator condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] Position of Big Table: 0 Stage: Stage-4 Map Reduce Alias -> Map Operator Tree: xx:x TableScan alias: x Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 Group By Operator aggregations: expr: count(1) bucketGroup: false keys: expr: _col0 type: string mode: hash outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: -1 value expressions: expr: _col1 type: bigint Local Work: Map Reduce Local Work Reduce Operator Tree: Group By Operator aggregations: expr: count(VALUE._col0) bucketGroup: false keys: expr: KEY._col0 type: string mode: mergepartial outputColumnNames: _col0, _col1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint outputColumnNames: _col0, _col1 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Stage: Stage-8 Map Reduce Local Work Alias -> Map Local Tables: yy Fetch Operator limit: -1 Alias -> Map Local Operator Tree: yy TableScan alias: yy HashTable Sink Operator condition expressions: 0 {_col0} {_col1} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[key]] Position of Big Table: 0 Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: $INTNAME Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {_col0} {_col1} 1 {key} {value} handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[key]] outputColumnNames: _col0, _col1, _col2, _col3 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 Reduce Output Operator key expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string sort order: ++++ tag: -1 value expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string Local Work: Map Reduce Local Work Reduce Operator Tree: Extract 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 xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Input: default@src1 #### A masked pattern was here #### POSTHOOK: query: SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Input: default@src1 #### A masked pattern was here #### 128 3 128 146 2 146 val_146 150 1 150 val_150 213 2 213 val_213 224 2 224 238 2 238 val_238 255 2 255 val_255 273 3 273 val_273 278 2 278 val_278 311 3 311 val_311 369 3 369 401 5 401 val_401 406 4 406 val_406 66 1 66 val_66 98 2 98 val_98 PREHOOK: query: EXPLAIN SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src) x) (TOK_TABREF (TOK_TABNAME src1) y) (= (. (TOK_TABLE_OR_COL x) key) (. (TOK_TABLE_OR_COL y) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key) key) (TOK_SELEXPR (TOK_FUNCTION count 1) cnt)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL x) key)))) xx) (TOK_TABREF (TOK_TABNAME src1) yy) (= (. (TOK_TABLE_OR_COL xx) key) (. (TOK_TABLE_OR_COL yy) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL xx) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL xx) cnt)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL yy) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL yy) value))) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL xx) key)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL xx) cnt)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL yy) key)) (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL yy) value))))) STAGE DEPENDENCIES: Stage-6 is a root stage Stage-1 depends on stages: Stage-6 Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-6 Map Reduce Local Work Alias -> Map Local Tables: xx:y Fetch Operator limit: -1 Alias -> Map Local Operator Tree: xx:y TableScan alias: y HashTable Sink Operator condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] Position of Big Table: 0 Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: xx:x TableScan alias: x Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] outputColumnNames: _col0 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 Group By Operator aggregations: expr: count(1) bucketGroup: false keys: expr: _col0 type: string mode: hash outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 0 value expressions: expr: _col1 type: bigint yy TableScan alias: yy Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Local Work: Map Reduce Local Work Reduce Operator Tree: Demux Operator Group By Operator aggregations: expr: count(VALUE._col0) bucketGroup: false keys: expr: KEY._col0 type: string mode: mergepartial outputColumnNames: _col0, _col1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint outputColumnNames: _col0, _col1 Mux Operator Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col2, _col3 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Mux Operator Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col2, _col3 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: #### A masked pattern was here #### Reduce Output Operator key expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string sort order: ++++ tag: -1 value expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: string Reduce Operator Tree: Extract 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 xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Input: default@src1 #### A masked pattern was here #### POSTHOOK: query: SELECT xx.key, xx.cnt, yy.key, yy.value FROM (SELECT x.key AS key, count(1) AS cnt FROM src x JOIN src1 y ON (x.key = y.key) GROUP BY x.key) xx JOIN src1 yy ON xx.key=yy.key ORDER BY xx.key, xx.cnt, yy.key, yy.value POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Input: default@src1 #### A masked pattern was here #### 128 3 128 146 2 146 val_146 150 1 150 val_150 213 2 213 val_213 224 2 224 238 2 238 val_238 255 2 255 val_255 273 3 273 val_273 278 2 278 val_278 311 3 311 val_311 369 3 369 401 5 401 val_401 406 4 406 val_406 66 1 66 val_66 98 2 98 val_98