PREHOOK: query: explain SELECT sum(hash(src1.c1, src2.c4)) FROM (SELECT src.key as c1, src.value as c2 from src) src1 JOIN (SELECT src.key as c3, src.value as c4 from src) src2 ON src1.c1 = src2.c3 AND src1.c1 < 100 JOIN (SELECT src.key as c5, src.value as c6 from src) src3 ON src1.c1 = src3.c5 AND src3.c5 < 80 PREHOOK: type: QUERY POSTHOOK: query: explain SELECT sum(hash(src1.c1, src2.c4)) FROM (SELECT src.key as c1, src.value as c2 from src) src1 JOIN (SELECT src.key as c3, src.value as c4 from src) src2 ON src1.c1 = src2.c3 AND src1.c1 < 100 JOIN (SELECT src.key as c5, src.value as c6 from src) src3 ON src1.c1 = src3.c5 AND src3.c5 < 80 POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (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_TABLE_OR_COL src) key) c1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) value) c2)))) 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_TABLE_OR_COL src) key) c3) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) value) c4)))) src2) (AND (= (. (TOK_TABLE_OR_COL src1) c1) (. (TOK_TABLE_OR_COL src2) c3)) (< (. (TOK_TABLE_OR_COL src1) c1) 100))) (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_TABLE_OR_COL src) key) c5) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) value) c6)))) src3) (AND (= (. (TOK_TABLE_OR_COL src1) c1) (. (TOK_TABLE_OR_COL src3) c5)) (< (. (TOK_TABLE_OR_COL src3) c5) 80)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION sum (TOK_FUNCTION hash (. (TOK_TABLE_OR_COL src1) c1) (. (TOK_TABLE_OR_COL src2) c4))))))) STAGE DEPENDENCIES: Stage-8 is a root stage , consists of Stage-9, Stage-10, Stage-11, Stage-1 Stage-9 has a backup stage: Stage-1 Stage-5 depends on stages: Stage-9 Stage-2 depends on stages: Stage-1, Stage-5, Stage-6, Stage-7 Stage-10 has a backup stage: Stage-1 Stage-6 depends on stages: Stage-10 Stage-11 has a backup stage: Stage-1 Stage-7 depends on stages: Stage-11 Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-8 Conditional Operator Stage: Stage-9 Map Reduce Local Work Alias -> Map Local Tables: src2:src Fetch Operator limit: -1 src3:src Fetch Operator limit: -1 Alias -> Map Local Operator Tree: src2:src TableScan alias: src Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 HashTable Sink Operator condition expressions: 0 {_col0} 1 {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] Position of Big Table: 0 src3:src TableScan alias: src Filter Operator predicate: expr: (key < 80) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 HashTable Sink Operator condition expressions: 0 {_col0} 1 {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] Position of Big Table: 0 Stage: Stage-5 Map Reduce Alias -> Map Operator Tree: src1:src TableScan alias: src Filter Operator predicate: expr: (key < 100) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 Map Join Operator condition map: Inner Join 0 to 1 Inner Join 0 to 2 condition expressions: 0 {_col0} 1 {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] outputColumnNames: _col0, _col3 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string expr: _col3 type: string outputColumnNames: _col0, _col3 Group By Operator aggregations: expr: sum(hash(_col0,_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: file:/tmp/sdong/hive_2011-02-10_01-13-46_532_312658682840566186/-mr-10002 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: src1:src Fetch Operator limit: -1 src3:src Fetch Operator limit: -1 Alias -> Map Local Operator Tree: src1:src TableScan alias: src Filter Operator predicate: expr: (key < 100) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 HashTable Sink Operator condition expressions: 0 {_col0} 1 {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] Position of Big Table: 1 src3:src TableScan alias: src Filter Operator predicate: expr: (key < 80) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 HashTable Sink Operator condition expressions: 0 {_col0} 1 {_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: src2:src TableScan alias: src Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 Map Join Operator condition map: Inner Join 0 to 1 Inner Join 0 to 2 condition expressions: 0 {_col0} 1 {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] outputColumnNames: _col0, _col3 Position of Big Table: 1 Select Operator expressions: expr: _col0 type: string expr: _col3 type: string outputColumnNames: _col0, _col3 Group By Operator aggregations: expr: sum(hash(_col0,_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-11 Map Reduce Local Work Alias -> Map Local Tables: src1:src Fetch Operator limit: -1 src2:src Fetch Operator limit: -1 Alias -> Map Local Operator Tree: src1:src TableScan alias: src Filter Operator predicate: expr: (key < 100) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 HashTable Sink Operator condition expressions: 0 {_col0} 1 {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] Position of Big Table: 2 src2:src TableScan alias: src Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 HashTable Sink Operator condition expressions: 0 {_col0} 1 {_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: src3:src TableScan alias: src Filter Operator predicate: expr: (key < 80) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 Map Join Operator condition map: Inner Join 0 to 1 Inner Join 0 to 2 condition expressions: 0 {_col0} 1 {_col1} 2 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] 2 [Column[_col0]] outputColumnNames: _col0, _col3 Position of Big Table: 2 Select Operator expressions: expr: _col0 type: string expr: _col3 type: string outputColumnNames: _col0, _col3 Group By Operator aggregations: expr: sum(hash(_col0,_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-1 Map Reduce Alias -> Map Operator Tree: src1:src TableScan alias: src Filter Operator predicate: expr: (key < 100) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 0 value expressions: expr: _col0 type: string src2: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: + Map-reduce partition columns: expr: _col0 type: string tag: 1 value expressions: expr: _col1 type: string src3:src TableScan alias: src Filter Operator predicate: expr: (key < 80) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 2 Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 Inner Join 0 to 2 condition expressions: 0 {VALUE._col0} 1 {VALUE._col1} 2 handleSkewJoin: false outputColumnNames: _col0, _col3 Select Operator expressions: expr: _col0 type: string expr: _col3 type: string outputColumnNames: _col0, _col3 Group By Operator aggregations: expr: sum(hash(_col0,_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-0 Fetch Operator limit: -1 PREHOOK: query: SELECT sum(hash(src1.c1, src2.c4)) FROM (SELECT src.key as c1, src.value as c2 from src) src1 JOIN (SELECT src.key as c3, src.value as c4 from src) src2 ON src1.c1 = src2.c3 AND src1.c1 < 100 JOIN (SELECT src.key as c5, src.value as c6 from src) src3 ON src1.c1 = src3.c5 AND src3.c5 < 80 PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_01-13-46_920_362170176934384865/-mr-10000 POSTHOOK: query: SELECT sum(hash(src1.c1, src2.c4)) FROM (SELECT src.key as c1, src.value as c2 from src) src1 JOIN (SELECT src.key as c3, src.value as c4 from src) src2 ON src1.c1 = src2.c3 AND src1.c1 < 100 JOIN (SELECT src.key as c5, src.value as c6 from src) src3 ON src1.c1 = src3.c5 AND src3.c5 < 80 POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_01-13-46_920_362170176934384865/-mr-10000 -136843922952