PREHOOK: query: EXPLAIN SELECT /*+ MAPJOIN(z) */ subq.key1, z.value FROM (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as value2 FROM src1 x JOIN src y ON (x.key = y.key)) subq JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11) PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT /*+ MAPJOIN(z) */ subq.key1, z.value FROM (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as value2 FROM src1 x JOIN src y ON (x.key = y.key)) subq JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src1) x) (TOK_TABREF (TOK_TABNAME src) 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_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST x))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key) key1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) value) value1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL y) key) key2) (TOK_SELEXPR (. (TOK_TABLE_OR_COL y) value) value2)))) subq) (TOK_TABREF (TOK_TABNAME srcpart) z) (and (and (= (. (TOK_TABLE_OR_COL subq) key1) (. (TOK_TABLE_OR_COL z) key)) (= (. (TOK_TABLE_OR_COL z) ds) '2008-04-08')) (= (. (TOK_TABLE_OR_COL z) hr) 11)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST z))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL subq) key1)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL z) value))))) STAGE DEPENDENCIES: Stage-4 is a root stage Stage-1 depends on stages: Stage-4 Stage-0 is a root stage STAGE PLANS: Stage: Stage-4 Map Reduce Local Work Alias -> Map Local Tables: subq:x Fetch Operator limit: -1 z Fetch Operator limit: -1 Alias -> Map Local Operator Tree: subq:x TableScan alias: x HashTable Sink Operator condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] Position of Big Table: 1 z TableScan alias: z HashTable Sink Operator condition expressions: 0 {_col0} 1 {value} handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[key]] Position of Big Table: 0 Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: subq:y TableScan alias: y 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: 1 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {_col0} 1 {value} handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[key]] outputColumnNames: _col0, _col5 Position of Big Table: 0 Select Operator expressions: expr: _col0 type: string expr: _col5 type: string outputColumnNames: _col0, _col5 Select Operator expressions: expr: _col0 type: string expr: _col5 type: string outputColumnNames: _col0, _col1 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Local Work: Map Reduce Local Work Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: SELECT /*+ MAPJOIN(z) */ subq.key1, z.value FROM (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as value2 FROM src1 x JOIN src y ON (x.key = y.key)) subq JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11) PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Input: default@src1 PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-39-29_731_509300544483919463/-mr-10000 POSTHOOK: query: SELECT /*+ MAPJOIN(z) */ subq.key1, z.value FROM (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as value2 FROM src1 x JOIN src y ON (x.key = y.key)) subq JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11) POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Input: default@src1 POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-39-29_731_509300544483919463/-mr-10000 238 val_238 238 val_238 311 val_311 311 val_311 311 val_311 255 val_255 255 val_255 278 val_278 278 val_278 98 val_98 98 val_98 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 150 val_150 273 val_273 273 val_273 273 val_273 224 val_224 224 val_224 369 val_369 369 val_369 369 val_369 66 val_66 128 val_128 128 val_128 128 val_128 213 val_213 213 val_213 146 val_146 146 val_146 406 val_406 406 val_406 406 val_406 406 val_406 128 val_128 128 val_128 128 val_128 311 val_311 311 val_311 311 val_311 213 val_213 213 val_213 278 val_278 278 val_278 311 val_311 311 val_311 311 val_311 98 val_98 98 val_98 369 val_369 369 val_369 369 val_369 238 val_238 238 val_238 273 val_273 273 val_273 273 val_273 224 val_224 224 val_224 369 val_369 369 val_369 369 val_369 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 128 val_128 128 val_128 128 val_128 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 255 val_255 255 val_255 406 val_406 406 val_406 406 val_406 406 val_406 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 146 val_146 146 val_146 273 val_273 273 val_273 273 val_273 PREHOOK: query: EXPLAIN SELECT /*+ MAPJOIN(z) */ subq.key1, z.value FROM (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as value2 FROM src1 x JOIN src y ON (x.key = y.key)) subq JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11) order by subq.key1 PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT /*+ MAPJOIN(z) */ subq.key1, z.value FROM (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as value2 FROM src1 x JOIN src y ON (x.key = y.key)) subq JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11) order by subq.key1 POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src1) x) (TOK_TABREF (TOK_TABNAME src) 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_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST x))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key) key1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) value) value1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL y) key) key2) (TOK_SELEXPR (. (TOK_TABLE_OR_COL y) value) value2)))) subq) (TOK_TABREF (TOK_TABNAME srcpart) z) (and (and (= (. (TOK_TABLE_OR_COL subq) key1) (. (TOK_TABLE_OR_COL z) key)) (= (. (TOK_TABLE_OR_COL z) ds) '2008-04-08')) (= (. (TOK_TABLE_OR_COL z) hr) 11)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST z))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL subq) key1)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL z) value))) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL subq) key1))))) STAGE DEPENDENCIES: Stage-5 is a root stage Stage-1 depends on stages: Stage-5 Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-5 Map Reduce Local Work Alias -> Map Local Tables: subq:x Fetch Operator limit: -1 z Fetch Operator limit: -1 Alias -> Map Local Operator Tree: subq:x TableScan alias: x HashTable Sink Operator condition expressions: 0 {key} 1 handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[key]] Position of Big Table: 1 z TableScan alias: z HashTable Sink Operator condition expressions: 0 {_col0} 1 {value} handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[key]] Position of Big Table: 0 Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: subq:y TableScan alias: y 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: 1 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {_col0} 1 {value} handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[key]] outputColumnNames: _col0, _col5 Position of Big Table: 0 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_16-39-35_519_3270478772330421829/-mr-10002 Select Operator expressions: expr: _col0 type: string expr: _col5 type: string outputColumnNames: _col0, _col5 Select Operator expressions: expr: _col0 type: string expr: _col5 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.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: SELECT /*+ MAPJOIN(z) */ subq.key1, z.value FROM (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as value2 FROM src1 x JOIN src y ON (x.key = y.key)) subq JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11) order by subq.key1 PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Input: default@src1 PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-39-35_670_1415465364269978204/-mr-10000 POSTHOOK: query: SELECT /*+ MAPJOIN(z) */ subq.key1, z.value FROM (SELECT /*+ MAPJOIN(x) */ x.key as key1, x.value as value1, y.key as key2, y.value as value2 FROM src1 x JOIN src y ON (x.key = y.key)) subq JOIN srcpart z ON (subq.key1 = z.key and z.ds='2008-04-08' and z.hr=11) order by subq.key1 POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Input: default@src1 POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-39-35_670_1415465364269978204/-mr-10000 128 val_128 128 val_128 128 val_128 128 val_128 128 val_128 128 val_128 128 val_128 128 val_128 128 val_128 146 val_146 146 val_146 146 val_146 146 val_146 150 val_150 213 val_213 213 val_213 213 val_213 213 val_213 224 val_224 224 val_224 224 val_224 224 val_224 238 val_238 238 val_238 238 val_238 238 val_238 255 val_255 255 val_255 255 val_255 255 val_255 273 val_273 273 val_273 273 val_273 273 val_273 273 val_273 273 val_273 273 val_273 273 val_273 273 val_273 278 val_278 278 val_278 278 val_278 278 val_278 311 val_311 311 val_311 311 val_311 311 val_311 311 val_311 311 val_311 311 val_311 311 val_311 311 val_311 369 val_369 369 val_369 369 val_369 369 val_369 369 val_369 369 val_369 369 val_369 369 val_369 369 val_369 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 401 val_401 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 406 val_406 66 val_66 98 val_98 98 val_98 98 val_98 98 val_98