PREHOOK: query: explain select sum(hash(a.k1,a.v1,a.k2, a.v2)) from ( SELECT src1.key as k1, src1.value as v1, src2.key as k2, src2.value as v2 FROM (SELECT * FROM src WHERE src.key < 10) src1 JOIN (SELECT * FROM src WHERE src.key < 10) src2 SORT BY k1, v1, k2, v2 ) a PREHOOK: type: QUERY POSTHOOK: query: explain select sum(hash(a.k1,a.v1,a.k2, a.v2)) from ( SELECT src1.key as k1, src1.value as v1, src2.key as k2, src2.value as v2 FROM (SELECT * FROM src WHERE src.key < 10) src1 JOIN (SELECT * FROM src WHERE src.key < 10) src2 SORT BY k1, v1, k2, v2 ) a POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (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_WHERE (< (. (TOK_TABLE_OR_COL src) key) 10)))) src1) (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_WHERE (< (. (TOK_TABLE_OR_COL src) key) 10)))) src2))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL src1) key) k1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src1) value) v1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src2) key) k2) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src2) value) v2)) (TOK_SORTBY (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL k1)) (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL v1)) (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL k2)) (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL v2))))) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION sum (TOK_FUNCTION hash (. (TOK_TABLE_OR_COL a) k1) (. (TOK_TABLE_OR_COL a) v1) (. (TOK_TABLE_OR_COL a) k2) (. (TOK_TABLE_OR_COL a) v2))))))) STAGE DEPENDENCIES: Stage-7 is a root stage , consists of Stage-8, Stage-9, Stage-1 Stage-8 has a backup stage: Stage-1 Stage-5 depends on stages: Stage-8 Stage-2 depends on stages: Stage-1, Stage-5, Stage-6 Stage-3 depends on stages: Stage-2 Stage-9 has a backup stage: Stage-1 Stage-6 depends on stages: Stage-9 Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-7 Conditional Operator Stage: Stage-8 Map Reduce Local Work Alias -> Map Local Tables: a:src2:src Fetch Operator limit: -1 Alias -> Map Local Operator Tree: a:src2:src TableScan alias: src Filter Operator predicate: expr: (key < 10) type: boolean Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 HashTable Sink Operator condition expressions: 0 {_col0} {_col1} 1 {_col0} {_col1} handleSkewJoin: false keys: 0 [] 1 [] Position of Big Table: 0 Stage: Stage-5 Map Reduce Alias -> Map Operator Tree: a:src1:src TableScan alias: src Filter Operator predicate: expr: (key < 10) type: boolean Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {_col0} {_col1} 1 {_col0} {_col1} handleSkewJoin: false keys: 0 [] 1 [] outputColumnNames: _col0, _col1, _col2, _col3 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string expr: _col1 type: string 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 Local Work: Map Reduce Local Work Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: file:/tmp/sdong/hive_2011-02-10_01-13-04_569_7732693020567520800/-mr-10002 Reduce Output Operator key expressions: expr: _col0 type: string expr: _col1 type: string expr: _col2 type: string expr: _col3 type: string sort order: ++++ tag: -1 value expressions: expr: _col0 type: string expr: _col1 type: string expr: _col2 type: string expr: _col3 type: string Reduce Operator Tree: Extract Select Operator expressions: expr: _col0 type: string expr: _col1 type: string expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 Group By Operator aggregations: expr: sum(hash(_col0,_col1,_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-3 Map Reduce Alias -> Map Operator Tree: file:/tmp/sdong/hive_2011-02-10_01-13-04_569_7732693020567520800/-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-9 Map Reduce Local Work Alias -> Map Local Tables: a:src1:src Fetch Operator limit: -1 Alias -> Map Local Operator Tree: a:src1:src TableScan alias: src Filter Operator predicate: expr: (key < 10) type: boolean Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 HashTable Sink Operator condition expressions: 0 {_col0} {_col1} 1 {_col0} {_col1} handleSkewJoin: false keys: 0 [] 1 [] Position of Big Table: 1 Stage: Stage-6 Map Reduce Alias -> Map Operator Tree: a:src2:src TableScan alias: src Filter Operator predicate: expr: (key < 10) type: boolean Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {_col0} {_col1} 1 {_col0} {_col1} handleSkewJoin: false keys: 0 [] 1 [] outputColumnNames: _col0, _col1, _col2, _col3 Position of Big Table: 1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: string 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 Local Work: Map Reduce Local Work Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: a:src1:src TableScan alias: src Filter Operator predicate: expr: (key < 10) type: boolean Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 Reduce Output Operator sort order: tag: 0 value expressions: expr: _col0 type: string expr: _col1 type: string a:src2:src TableScan alias: src Filter Operator predicate: expr: (key < 10) type: boolean Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 Reduce Output Operator sort order: tag: 1 value expressions: expr: _col0 type: string expr: _col1 type: string Reduce Operator Tree: 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: string 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-0 Fetch Operator limit: -1 PREHOOK: query: select sum(hash(a.k1,a.v1,a.k2, a.v2)) from ( SELECT src1.key as k1, src1.value as v1, src2.key as k2, src2.value as v2 FROM (SELECT * FROM src WHERE src.key < 10) src1 JOIN (SELECT * FROM src WHERE src.key < 10) src2 SORT BY k1, v1, k2, v2 ) a PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_01-13-05_121_1656293372506547246/-mr-10000 POSTHOOK: query: select sum(hash(a.k1,a.v1,a.k2, a.v2)) from ( SELECT src1.key as k1, src1.value as v1, src2.key as k2, src2.value as v2 FROM (SELECT * FROM src WHERE src.key < 10) src1 JOIN (SELECT * FROM src WHERE src.key < 10) src2 SORT BY k1, v1, k2, v2 ) a POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_01-13-05_121_1656293372506547246/-mr-10000 34441656720