PREHOOK: query: explain FROM (SELECT src.* FROM src sort by key) x RIGHT OUTER JOIN (SELECT src.* FROM src sort by value) Y ON (x.key = Y.key) JOIN (SELECT src.* FROM src sort by value) Z ON (x.key = Z.key) select sum(hash(Y.key,Y.value)) PREHOOK: type: QUERY POSTHOOK: query: explain FROM (SELECT src.* FROM src sort by key) x RIGHT OUTER JOIN (SELECT src.* FROM src sort by value) Y ON (x.key = Y.key) JOIN (SELECT src.* FROM src sort by value) Z ON (x.key = Z.key) select sum(hash(Y.key,Y.value)) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_RIGHTOUTERJOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_ALLCOLREF (TOK_TABNAME src)))) (TOK_SORTBY (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL key))))) x) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_ALLCOLREF (TOK_TABNAME src)))) (TOK_SORTBY (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL value))))) Y) (= (. (TOK_TABLE_OR_COL x) key) (. (TOK_TABLE_OR_COL Y) key))) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_ALLCOLREF (TOK_TABNAME src)))) (TOK_SORTBY (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL value))))) Z) (= (. (TOK_TABLE_OR_COL x) key) (. (TOK_TABLE_OR_COL Z) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION sum (TOK_FUNCTION hash (. (TOK_TABLE_OR_COL Y) key) (. (TOK_TABLE_OR_COL Y) value))))))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-8 depends on stages: Stage-1, Stage-4, Stage-5 , consists of Stage-9, Stage-10, Stage-2 Stage-9 has a backup stage: Stage-2 Stage-6 depends on stages: Stage-9 Stage-3 depends on stages: Stage-2, Stage-6, Stage-7 Stage-10 has a backup stage: Stage-2 Stage-7 depends on stages: Stage-10 Stage-2 Stage-4 is a root stage Stage-5 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: z:src TableScan alias: src Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col1 type: string sort order: + tag: -1 value expressions: expr: _col0 type: string expr: _col1 type: string Reduce Operator Tree: Extract 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 Conditional Operator Stage: Stage-9 Map Reduce Local Work Alias -> Map Local Tables: $INTNAME Fetch Operator limit: -1 $INTNAME1 Fetch Operator limit: -1 Alias -> Map Local Operator Tree: $INTNAME HashTable Sink Operator condition expressions: 0 1 {_col0} {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] Position of Big Table: 1 $INTNAME1 HashTable Sink Operator condition expressions: 0 1 {_col0} {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] Position of Big Table: 1 Stage: Stage-6 Map Reduce Alias -> Map Operator Tree: $INTNAME2 Map Join Operator condition map: Right Outer Join0 to 1 Inner Join 0 to 2 condition expressions: 0 1 {_col0} {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] outputColumnNames: _col2, _col3 Position of Big Table: 1 Select Operator expressions: expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col2, _col3 Group By Operator aggregations: expr: sum(hash(_col2,_col3)) bucketGroup: false mode: hash outputColumnNames: _col0 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Local Work: Map Reduce Local Work Stage: Stage-3 Map Reduce Alias -> Map Operator Tree: file:/var/folders/6g/6grtCwPMEf4sqHUPpy6xQG9ByHg/-Tmp-/heyongqiang/hive_2011-04-07_19-00-07_239_7580938439193474886/-mr-10003 Reduce Output Operator sort order: tag: -1 value expressions: expr: _col0 type: bigint Reduce Operator Tree: Group By Operator aggregations: expr: sum(VALUE._col0) bucketGroup: false mode: mergepartial outputColumnNames: _col0 Select Operator expressions: expr: _col0 type: bigint outputColumnNames: _col0 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-10 Map Reduce Local Work Alias -> Map Local Tables: $INTNAME1 Fetch Operator limit: -1 $INTNAME2 Fetch Operator limit: -1 Alias -> Map Local Operator Tree: $INTNAME1 HashTable Sink Operator condition expressions: 0 1 {_col0} {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] Position of Big Table: 2 $INTNAME2 HashTable Sink Operator condition expressions: 0 1 {_col0} {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] Position of Big Table: 2 Stage: Stage-7 Map Reduce Alias -> Map Operator Tree: $INTNAME Map Join Operator condition map: Right Outer Join0 to 1 Inner Join 0 to 2 condition expressions: 0 1 {_col0} {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] outputColumnNames: _col2, _col3 Position of Big Table: 2 Select Operator expressions: expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col2, _col3 Group By Operator aggregations: expr: sum(hash(_col2,_col3)) bucketGroup: false mode: hash outputColumnNames: _col0 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Local Work: Map Reduce Local Work Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: $INTNAME Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 2 $INTNAME1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 0 $INTNAME2 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 1 value expressions: expr: _col0 type: string expr: _col1 type: string Reduce Operator Tree: Join Operator condition map: Right Outer Join0 to 1 Inner Join 0 to 2 condition expressions: 0 1 {VALUE._col0} {VALUE._col1} 2 handleSkewJoin: false outputColumnNames: _col2, _col3 Select Operator expressions: expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col2, _col3 Group By Operator aggregations: expr: sum(hash(_col2,_col3)) bucketGroup: false mode: hash outputColumnNames: _col0 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-4 Map Reduce Alias -> Map Operator Tree: x:src TableScan alias: src Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + tag: -1 value expressions: expr: _col0 type: string expr: _col1 type: string Reduce Operator Tree: Extract 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-5 Map Reduce Alias -> Map Operator Tree: y:src TableScan alias: src Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col1 type: string sort order: + tag: -1 value expressions: expr: _col0 type: string expr: _col1 type: string Reduce Operator Tree: Extract 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-0 Fetch Operator limit: -1 PREHOOK: query: FROM (SELECT src.* FROM src sort by key) x RIGHT OUTER JOIN (SELECT src.* FROM src sort by value) Y ON (x.key = Y.key) JOIN (SELECT src.* FROM src sort by value) Z ON (x.key = Z.key) select sum(hash(Y.key,Y.value)) PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/var/folders/6g/6grtCwPMEf4sqHUPpy6xQG9ByHg/-Tmp-/heyongqiang/hive_2011-04-07_19-00-09_306_4018311873888116476/-mr-10000 POSTHOOK: query: FROM (SELECT src.* FROM src sort by key) x RIGHT OUTER JOIN (SELECT src.* FROM src sort by value) Y ON (x.key = Y.key) JOIN (SELECT src.* FROM src sort by value) Z ON (x.key = Z.key) select sum(hash(Y.key,Y.value)) POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/var/folders/6g/6grtCwPMEf4sqHUPpy6xQG9ByHg/-Tmp-/heyongqiang/hive_2011-04-07_19-00-09_306_4018311873888116476/-mr-10000 348019368476