Saving all output to "!!{outputDirectory}!!/bucketmapjoin1.q.raw". Enter "record" with no arguments to stop it. >>> !run !!{qFileDirectory}!!/bucketmapjoin1.q >>> CREATE TABLE srcbucket_mapjoin(key int, value string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE; No rows affected >>> >>> CREATE TABLE srcbucket_mapjoin_part (key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE; No rows affected >>> >>> CREATE TABLE srcbucket_mapjoin_part_2 (key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE; No rows affected >>> >>> set hive.optimize.bucketmapjoin = true; No rows affected >>> >>> -- empty partitions (HIVE-3205) >>> explain extended select /*+mapjoin(b)*/ a.key, a.value, b.value from srcbucket_mapjoin_part a join srcbucket_mapjoin_part_2 b on a.key=b.key where b.ds="2008-04-08"; 'Explain' 'ABSTRACT SYNTAX TREE:' ' (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME srcbucket_mapjoin_part) a) (TOK_TABREF (TOK_TABNAME srcbucket_mapjoin_part_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST b))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) value))) (TOK_WHERE (= (. (TOK_TABLE_OR_COL b) ds) "2008-04-08"))))' '' 'STAGE DEPENDENCIES:' ' Stage-3 is a root stage' ' Stage-1 depends on stages: Stage-3' ' Stage-0 is a root stage' '' 'STAGE PLANS:' ' Stage: Stage-3' ' Map Reduce Local Work' ' Alias -> Map Local Tables:' ' b ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' b ' ' TableScan' ' alias: b' ' GatherStats: false' ' Filter Operator' ' isSamplingPred: false' ' predicate:' ' expr: (ds = '2008-04-08')' ' type: boolean' ' HashTable Sink Operator' ' condition expressions:' ' 0 {key} {value}' ' 1 {value} {ds}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' Position of Big Table: 0' ' Bucket Mapjoin Context:' ' Alias Bucket Base File Name Mapping:' ' b {}' ' Alias Bucket File Name Mapping:' ' b {}' '' ' Stage: Stage-1' ' Map Reduce' ' Alias -> Map Operator Tree:' ' a ' ' TableScan' ' alias: a' ' GatherStats: false' ' Map Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 {key} {value}' ' 1 {value} {ds}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' outputColumnNames: _col0, _col1, _col6, _col7' ' Position of Big Table: 0' ' Select Operator' ' expressions:' ' expr: _col0' ' type: int' ' expr: _col1' ' type: string' ' expr: _col6' ' type: string' ' expr: _col7' ' type: string' ' outputColumnNames: _col0, _col1, _col6, _col7' ' Select Operator' ' expressions:' ' expr: _col0' ' type: int' ' expr: _col1' ' type: string' ' expr: _col6' ' type: string' ' outputColumnNames: _col0, _col1, _col2' ' File Output Operator' ' compressed: false' ' GlobalTableId: 0' ' directory: file:!!{hive.exec.scratchdir}!!' ' NumFilesPerFileSink: 1' ' Stats Publishing Key Prefix: file:!!{hive.exec.scratchdir}!!' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' columns _col0,_col1,_col2' ' columns.types int:string:string' ' escape.delim \' ' serialization.format 1' ' TotalFiles: 1' ' GatherStats: false' ' MultiFileSpray: false' ' Local Work:' ' Map Reduce Local Work' ' Needs Tagging: false' '' ' Stage: Stage-0' ' Fetch Operator' ' limit: -1' '' '' 105 rows selected >>> >>> select /*+mapjoin(b)*/ a.key, a.value, b.value from srcbucket_mapjoin_part a join srcbucket_mapjoin_part_2 b on a.key=b.key where b.ds="2008-04-08"; 'key','value','value' No rows selected >>> >>> explain extended select /*+mapjoin(a)*/ a.key, a.value, b.value from srcbucket_mapjoin_part a join srcbucket_mapjoin_part_2 b on a.key=b.key where b.ds="2008-04-08"; 'Explain' 'ABSTRACT SYNTAX TREE:' ' (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME srcbucket_mapjoin_part) a) (TOK_TABREF (TOK_TABNAME srcbucket_mapjoin_part_2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) value))) (TOK_WHERE (= (. (TOK_TABLE_OR_COL b) ds) "2008-04-08"))))' '' 'STAGE DEPENDENCIES:' ' Stage-3 is a root stage' ' Stage-1 depends on stages: Stage-3' ' Stage-0 is a root stage' '' 'STAGE PLANS:' ' Stage: Stage-3' ' Map Reduce Local Work' ' Alias -> Map Local Tables:' ' a ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' a ' ' TableScan' ' alias: a' ' GatherStats: false' ' HashTable Sink Operator' ' condition expressions:' ' 0 {key} {value}' ' 1 {value} {ds}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' Position of Big Table: 1' ' Bucket Mapjoin Context:' ' Alias Bucket Base File Name Mapping:' ' a {}' ' Alias Bucket File Name Mapping:' ' a {}' '' ' Stage: Stage-1' ' Map Reduce' ' Alias -> Map Operator Tree:' ' b ' ' TableScan' ' alias: b' ' GatherStats: false' ' Filter Operator' ' isSamplingPred: false' ' predicate:' ' expr: (ds = '2008-04-08')' ' type: boolean' ' Map Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 {key} {value}' ' 1 {value} {ds}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' outputColumnNames: _col0, _col1, _col6, _col7' ' Position of Big Table: 1' ' Select Operator' ' expressions:' ' expr: _col0' ' type: int' ' expr: _col1' ' type: string' ' expr: _col6' ' type: string' ' expr: _col7' ' type: string' ' outputColumnNames: _col0, _col1, _col6, _col7' ' Select Operator' ' expressions:' ' expr: _col0' ' type: int' ' expr: _col1' ' type: string' ' expr: _col6' ' type: string' ' outputColumnNames: _col0, _col1, _col2' ' File Output Operator' ' compressed: false' ' GlobalTableId: 0' ' directory: file:!!{hive.exec.scratchdir}!!' ' NumFilesPerFileSink: 1' ' Stats Publishing Key Prefix: file:!!{hive.exec.scratchdir}!!' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' columns _col0,_col1,_col2' ' columns.types int:string:string' ' escape.delim \' ' serialization.format 1' ' TotalFiles: 1' ' GatherStats: false' ' MultiFileSpray: false' ' Local Work:' ' Map Reduce Local Work' ' Needs Tagging: false' '' ' Stage: Stage-0' ' Fetch Operator' ' limit: -1' '' '' 105 rows selected >>> >>> select /*+mapjoin(a)*/ a.key, a.value, b.value from srcbucket_mapjoin_part a join srcbucket_mapjoin_part_2 b on a.key=b.key where b.ds="2008-04-08"; 'key','value','value' No rows selected >>> >>> load data local inpath '../data/files/srcbucket20.txt' INTO TABLE srcbucket_mapjoin; No rows affected >>> load data local inpath '../data/files/srcbucket21.txt' INTO TABLE srcbucket_mapjoin; No rows affected >>> >>> load data local inpath '../data/files/srcbucket20.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08'); No rows affected >>> load data local inpath '../data/files/srcbucket21.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08'); No rows affected >>> load data local inpath '../data/files/srcbucket22.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08'); No rows affected >>> load data local inpath '../data/files/srcbucket23.txt' INTO TABLE srcbucket_mapjoin_part partition(ds='2008-04-08'); No rows affected >>> >>> load data local inpath '../data/files/srcbucket22.txt' INTO TABLE srcbucket_mapjoin_part_2 partition(ds='2008-04-08'); No rows affected >>> load data local inpath '../data/files/srcbucket23.txt' INTO TABLE srcbucket_mapjoin_part_2 partition(ds='2008-04-08'); No rows affected >>> >>> create table bucketmapjoin_hash_result_1 (key bigint , value1 bigint, value2 bigint); No rows affected >>> create table bucketmapjoin_hash_result_2 (key bigint , value1 bigint, value2 bigint); No rows affected >>> >>> set hive.optimize.bucketmapjoin = true; No rows affected >>> create table bucketmapjoin_tmp_result (key string , value1 string, value2 string); No rows affected >>> >>> explain extended insert overwrite table bucketmapjoin_tmp_result select /*+mapjoin(b)*/ a.key, a.value, b.value from srcbucket_mapjoin a join srcbucket_mapjoin_part b on a.key=b.key where b.ds="2008-04-08"; 'Explain' 'ABSTRACT SYNTAX TREE:' ' (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME srcbucket_mapjoin) a) (TOK_TABREF (TOK_TABNAME srcbucket_mapjoin_part) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME bucketmapjoin_tmp_result))) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST b))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) value))) (TOK_WHERE (= (. (TOK_TABLE_OR_COL b) ds) "2008-04-08"))))' '' 'STAGE DEPENDENCIES:' ' Stage-9 is a root stage' ' Stage-1 depends on stages: Stage-9' ' Stage-7 depends on stages: Stage-1 , consists of Stage-4, Stage-3, Stage-5' ' Stage-4' ' Stage-0 depends on stages: Stage-4, Stage-3, Stage-6' ' Stage-2 depends on stages: Stage-0' ' Stage-3' ' Stage-5' ' Stage-6 depends on stages: Stage-5' '' 'STAGE PLANS:' ' Stage: Stage-9' ' Map Reduce Local Work' ' Alias -> Map Local Tables:' ' b ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' b ' ' TableScan' ' alias: b' ' GatherStats: false' ' HashTable Sink Operator' ' condition expressions:' ' 0 {key} {value}' ' 1 {value} {ds}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' Position of Big Table: 0' ' Bucket Mapjoin Context:' ' Alias Bucket Base File Name Mapping:' ' b {srcbucket20.txt=[ds=2008-04-08/srcbucket20.txt, ds=2008-04-08/srcbucket22.txt], srcbucket21.txt=[ds=2008-04-08/srcbucket21.txt, ds=2008-04-08/srcbucket23.txt]}' ' Alias Bucket File Name Mapping:' ' b {!!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin/srcbucket20.txt=[!!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket20.txt, !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket22.txt], !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin/srcbucket21.txt=[!!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket21.txt, !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket23.txt]}' ' Alias Bucket Output File Name Mapping:' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin/srcbucket20.txt 0' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin/srcbucket21.txt 1' '' ' Stage: Stage-1' ' Map Reduce' ' Alias -> Map Operator Tree:' ' a ' ' TableScan' ' alias: a' ' GatherStats: false' ' Map Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 {key} {value}' ' 1 {value} {ds}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' outputColumnNames: _col0, _col1, _col5, _col6' ' Position of Big Table: 0' ' Select Operator' ' expressions:' ' expr: _col0' ' type: int' ' expr: _col1' ' type: string' ' expr: _col5' ' type: string' ' expr: _col6' ' type: string' ' outputColumnNames: _col0, _col1, _col5, _col6' ' Select Operator' ' expressions:' ' expr: _col0' ' type: int' ' expr: _col1' ' type: string' ' expr: _col5' ' type: string' ' outputColumnNames: _col0, _col1, _col2' ' File Output Operator' ' compressed: false' ' GlobalTableId: 1' ' directory: pfile:!!{hive.exec.scratchdir}!!' ' NumFilesPerFileSink: 1' ' Stats Publishing Key Prefix: pfile:!!{hive.exec.scratchdir}!!' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' TotalFiles: 1' ' GatherStats: true' ' MultiFileSpray: false' ' Local Work:' ' Map Reduce Local Work' ' Needs Tagging: false' ' Path -> Alias:' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin [a]' ' Path -> Partition:' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin ' ' Partition' ' base file name: srcbucket_mapjoin' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count 2' ' bucket_field_name key' ' columns key,value' ' columns.types int:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin' ' name bucketmapjoin1.srcbucket_mapjoin' ' numFiles 2' ' numPartitions 0' ' numRows 0' ' rawDataSize 0' ' serialization.ddl struct srcbucket_mapjoin { i32 key, string value}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 2750' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' ' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count 2' ' bucket_field_name key' ' columns key,value' ' columns.types int:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin' ' name bucketmapjoin1.srcbucket_mapjoin' ' numFiles 2' ' numPartitions 0' ' numRows 0' ' rawDataSize 0' ' serialization.ddl struct srcbucket_mapjoin { i32 key, string value}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 2750' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.srcbucket_mapjoin' ' name: bucketmapjoin1.srcbucket_mapjoin' '' ' Stage: Stage-7' ' Conditional Operator' '' ' Stage: Stage-4' ' Move Operator' ' files:' ' hdfs directory: true' ' source: pfile:!!{hive.exec.scratchdir}!!' ' destination: pfile:!!{hive.exec.scratchdir}!!' '' ' Stage: Stage-0' ' Move Operator' ' tables:' ' replace: true' ' source: pfile:!!{hive.exec.scratchdir}!!' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' tmp directory: pfile:!!{hive.exec.scratchdir}!!' '' ' Stage: Stage-2' ' Stats-Aggr Operator' ' Stats Aggregation Key Prefix: pfile:!!{hive.exec.scratchdir}!!' '' ' Stage: Stage-3' ' Map Reduce' ' Alias -> Map Operator Tree:' ' pfile:!!{hive.exec.scratchdir}!! ' ' File Output Operator' ' compressed: false' ' GlobalTableId: 0' ' directory: pfile:!!{hive.exec.scratchdir}!!' ' NumFilesPerFileSink: 1' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' TotalFiles: 1' ' GatherStats: false' ' MultiFileSpray: false' ' Needs Tagging: false' ' Path -> Alias:' ' pfile:!!{hive.exec.scratchdir}!! [pfile:!!{hive.exec.scratchdir}!!]' ' Path -> Partition:' ' pfile:!!{hive.exec.scratchdir}!! ' ' Partition' ' base file name: -ext-10002' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' ' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' '' ' Stage: Stage-5' ' Map Reduce' ' Alias -> Map Operator Tree:' ' pfile:!!{hive.exec.scratchdir}!! ' ' File Output Operator' ' compressed: false' ' GlobalTableId: 0' ' directory: pfile:!!{hive.exec.scratchdir}!!' ' NumFilesPerFileSink: 1' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' TotalFiles: 1' ' GatherStats: false' ' MultiFileSpray: false' ' Needs Tagging: false' ' Path -> Alias:' ' pfile:!!{hive.exec.scratchdir}!! [pfile:!!{hive.exec.scratchdir}!!]' ' Path -> Partition:' ' pfile:!!{hive.exec.scratchdir}!! ' ' Partition' ' base file name: -ext-10002' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' ' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' '' ' Stage: Stage-6' ' Move Operator' ' files:' ' hdfs directory: true' ' source: pfile:!!{hive.exec.scratchdir}!!' ' destination: pfile:!!{hive.exec.scratchdir}!!' '' '' 350 rows selected >>> >>> insert overwrite table bucketmapjoin_tmp_result select /*+mapjoin(b)*/ a.key, a.value, b.value from srcbucket_mapjoin a join srcbucket_mapjoin_part b on a.key=b.key where b.ds="2008-04-08"; 'key','value','value' No rows selected >>> >>> select count(1) from bucketmapjoin_tmp_result; '_c0' '464' 1 row selected >>> >>> insert overwrite table bucketmapjoin_hash_result_1 select sum(hash(key)), sum(hash(value1)), sum(hash(value2)) from bucketmapjoin_tmp_result; '_c0','_c1','_c2' No rows selected >>> >>> set hive.optimize.bucketmapjoin = false; No rows affected >>> insert overwrite table bucketmapjoin_tmp_result select /*+mapjoin(b)*/ a.key, a.value, b.value from srcbucket_mapjoin a join srcbucket_mapjoin_part b on a.key=b.key where b.ds="2008-04-08"; 'key','value','value' No rows selected >>> >>> select count(1) from bucketmapjoin_tmp_result; '_c0' '464' 1 row selected >>> insert overwrite table bucketmapjoin_hash_result_2 select sum(hash(key)), sum(hash(value1)), sum(hash(value2)) from bucketmapjoin_tmp_result; '_c0','_c1','_c2' No rows selected >>> >>> >>> select a.key-b.key, a.value1-b.value1, a.value2-b.value2 from bucketmapjoin_hash_result_1 a left outer join bucketmapjoin_hash_result_2 b on a.key = b.key; '_c0','_c1','_c2' '0','0','0' 1 row selected >>> >>> >>> set hive.optimize.bucketmapjoin = true; No rows affected >>> explain extended insert overwrite table bucketmapjoin_tmp_result select /*+mapjoin(a)*/ a.key, a.value, b.value from srcbucket_mapjoin a join srcbucket_mapjoin_part b on a.key=b.key where b.ds="2008-04-08"; 'Explain' 'ABSTRACT SYNTAX TREE:' ' (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME srcbucket_mapjoin) a) (TOK_TABREF (TOK_TABNAME srcbucket_mapjoin_part) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME bucketmapjoin_tmp_result))) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) value))) (TOK_WHERE (= (. (TOK_TABLE_OR_COL b) ds) "2008-04-08"))))' '' 'STAGE DEPENDENCIES:' ' Stage-9 is a root stage' ' Stage-1 depends on stages: Stage-9' ' Stage-7 depends on stages: Stage-1 , consists of Stage-4, Stage-3, Stage-5' ' Stage-4' ' Stage-0 depends on stages: Stage-4, Stage-3, Stage-6' ' Stage-2 depends on stages: Stage-0' ' Stage-3' ' Stage-5' ' Stage-6 depends on stages: Stage-5' '' 'STAGE PLANS:' ' Stage: Stage-9' ' Map Reduce Local Work' ' Alias -> Map Local Tables:' ' a ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' a ' ' TableScan' ' alias: a' ' GatherStats: false' ' HashTable Sink Operator' ' condition expressions:' ' 0 {key} {value}' ' 1 {value} {ds}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' Position of Big Table: 1' ' Bucket Mapjoin Context:' ' Alias Bucket Base File Name Mapping:' ' a {ds=2008-04-08/srcbucket20.txt=[srcbucket20.txt], ds=2008-04-08/srcbucket21.txt=[srcbucket21.txt], ds=2008-04-08/srcbucket22.txt=[srcbucket20.txt], ds=2008-04-08/srcbucket23.txt=[srcbucket21.txt]}' ' Alias Bucket File Name Mapping:' ' a {!!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket20.txt=[!!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin/srcbucket20.txt], !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket21.txt=[!!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin/srcbucket21.txt], !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket22.txt=[!!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin/srcbucket20.txt], !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket23.txt=[!!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin/srcbucket21.txt]}' ' Alias Bucket Output File Name Mapping:' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket20.txt 0' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket21.txt 1' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket22.txt 2' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08/srcbucket23.txt 3' '' ' Stage: Stage-1' ' Map Reduce' ' Alias -> Map Operator Tree:' ' b ' ' TableScan' ' alias: b' ' GatherStats: false' ' Map Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 {key} {value}' ' 1 {value} {ds}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' outputColumnNames: _col0, _col1, _col5, _col6' ' Position of Big Table: 1' ' Select Operator' ' expressions:' ' expr: _col0' ' type: int' ' expr: _col1' ' type: string' ' expr: _col5' ' type: string' ' expr: _col6' ' type: string' ' outputColumnNames: _col0, _col1, _col5, _col6' ' Select Operator' ' expressions:' ' expr: _col0' ' type: int' ' expr: _col1' ' type: string' ' expr: _col5' ' type: string' ' outputColumnNames: _col0, _col1, _col2' ' File Output Operator' ' compressed: false' ' GlobalTableId: 1' ' directory: pfile:!!{hive.exec.scratchdir}!!' ' NumFilesPerFileSink: 1' ' Stats Publishing Key Prefix: pfile:!!{hive.exec.scratchdir}!!' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' numFiles 1' ' numPartitions 0' ' numRows 464' ' rawDataSize 8519' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 8983' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' TotalFiles: 1' ' GatherStats: true' ' MultiFileSpray: false' ' Local Work:' ' Map Reduce Local Work' ' Needs Tagging: false' ' Path -> Alias:' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08 [b]' ' Path -> Partition:' ' !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08 ' ' Partition' ' base file name: ds=2008-04-08' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' partition values:' ' ds 2008-04-08' ' properties:' ' bucket_count 4' ' bucket_field_name key' ' columns key,value' ' columns.types int:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part/ds=2008-04-08' ' name bucketmapjoin1.srcbucket_mapjoin_part' ' numFiles 4' ' numPartitions 1' ' numRows 0' ' partition_columns ds' ' rawDataSize 0' ' serialization.ddl struct srcbucket_mapjoin_part { i32 key, string value}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 5812' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' ' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count 4' ' bucket_field_name key' ' columns key,value' ' columns.types int:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/srcbucket_mapjoin_part' ' name bucketmapjoin1.srcbucket_mapjoin_part' ' numFiles 4' ' numPartitions 1' ' numRows 0' ' partition_columns ds' ' rawDataSize 0' ' serialization.ddl struct srcbucket_mapjoin_part { i32 key, string value}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 5812' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.srcbucket_mapjoin_part' ' name: bucketmapjoin1.srcbucket_mapjoin_part' '' ' Stage: Stage-7' ' Conditional Operator' '' ' Stage: Stage-4' ' Move Operator' ' files:' ' hdfs directory: true' ' source: pfile:!!{hive.exec.scratchdir}!!' ' destination: pfile:!!{hive.exec.scratchdir}!!' '' ' Stage: Stage-0' ' Move Operator' ' tables:' ' replace: true' ' source: pfile:!!{hive.exec.scratchdir}!!' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' numFiles 1' ' numPartitions 0' ' numRows 464' ' rawDataSize 8519' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 8983' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' tmp directory: pfile:!!{hive.exec.scratchdir}!!' '' ' Stage: Stage-2' ' Stats-Aggr Operator' ' Stats Aggregation Key Prefix: pfile:!!{hive.exec.scratchdir}!!' '' ' Stage: Stage-3' ' Map Reduce' ' Alias -> Map Operator Tree:' ' pfile:!!{hive.exec.scratchdir}!! ' ' File Output Operator' ' compressed: false' ' GlobalTableId: 0' ' directory: pfile:!!{hive.exec.scratchdir}!!' ' NumFilesPerFileSink: 1' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' numFiles 1' ' numPartitions 0' ' numRows 464' ' rawDataSize 8519' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 8983' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' TotalFiles: 1' ' GatherStats: false' ' MultiFileSpray: false' ' Needs Tagging: false' ' Path -> Alias:' ' pfile:!!{hive.exec.scratchdir}!! [pfile:!!{hive.exec.scratchdir}!!]' ' Path -> Partition:' ' pfile:!!{hive.exec.scratchdir}!! ' ' Partition' ' base file name: -ext-10002' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' numFiles 1' ' numPartitions 0' ' numRows 464' ' rawDataSize 8519' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 8983' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' ' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' numFiles 1' ' numPartitions 0' ' numRows 464' ' rawDataSize 8519' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 8983' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' '' ' Stage: Stage-5' ' Map Reduce' ' Alias -> Map Operator Tree:' ' pfile:!!{hive.exec.scratchdir}!! ' ' File Output Operator' ' compressed: false' ' GlobalTableId: 0' ' directory: pfile:!!{hive.exec.scratchdir}!!' ' NumFilesPerFileSink: 1' ' table:' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' numFiles 1' ' numPartitions 0' ' numRows 464' ' rawDataSize 8519' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 8983' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' TotalFiles: 1' ' GatherStats: false' ' MultiFileSpray: false' ' Needs Tagging: false' ' Path -> Alias:' ' pfile:!!{hive.exec.scratchdir}!! [pfile:!!{hive.exec.scratchdir}!!]' ' Path -> Partition:' ' pfile:!!{hive.exec.scratchdir}!! ' ' Partition' ' base file name: -ext-10002' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' numFiles 1' ' numPartitions 0' ' numRows 464' ' rawDataSize 8519' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 8983' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' ' ' input format: org.apache.hadoop.mapred.TextInputFormat' ' output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' properties:' ' bucket_count -1' ' columns key,value1,value2' ' columns.types string:string:string' ' file.inputformat org.apache.hadoop.mapred.TextInputFormat' ' file.outputformat org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ' location !!{hive.metastore.warehouse.dir}!!/bucketmapjoin1.db/bucketmapjoin_tmp_result' ' name bucketmapjoin1.bucketmapjoin_tmp_result' ' numFiles 1' ' numPartitions 0' ' numRows 464' ' rawDataSize 8519' ' serialization.ddl struct bucketmapjoin_tmp_result { string key, string value1, string value2}' ' serialization.format 1' ' serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' totalSize 8983' ' transient_lastDdlTime !!UNIXTIME!!' ' serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' ' name: bucketmapjoin1.bucketmapjoin_tmp_result' '' ' Stage: Stage-6' ' Move Operator' ' files:' ' hdfs directory: true' ' source: pfile:!!{hive.exec.scratchdir}!!' ' destination: pfile:!!{hive.exec.scratchdir}!!' '' '' 396 rows selected >>> >>> insert overwrite table bucketmapjoin_tmp_result select /*+mapjoin(a)*/ a.key, a.value, b.value from srcbucket_mapjoin a join srcbucket_mapjoin_part b on a.key=b.key where b.ds="2008-04-08"; 'key','value','value' No rows selected >>> >>> select count(1) from bucketmapjoin_tmp_result; '_c0' '464' 1 row selected >>> >>> >>> insert overwrite table bucketmapjoin_hash_result_1 select sum(hash(key)), sum(hash(value1)), sum(hash(value2)) from bucketmapjoin_tmp_result; '_c0','_c1','_c2' No rows selected >>> >>> set hive.optimize.bucketmapjoin = false; No rows affected >>> insert overwrite table bucketmapjoin_tmp_result select /*+mapjoin(a)*/ a.key, a.value, b.value from srcbucket_mapjoin a join srcbucket_mapjoin_part b on a.key=b.key where b.ds="2008-04-08"; 'key','value','value' No rows selected >>> >>> select count(1) from bucketmapjoin_tmp_result; '_c0' '464' 1 row selected >>> insert overwrite table bucketmapjoin_hash_result_2 select sum(hash(key)), sum(hash(value1)), sum(hash(value2)) from bucketmapjoin_tmp_result; '_c0','_c1','_c2' No rows selected >>> >>> select a.key-b.key, a.value1-b.value1, a.value2-b.value2 from bucketmapjoin_hash_result_1 a left outer join bucketmapjoin_hash_result_2 b on a.key = b.key; '_c0','_c1','_c2' '0','0','0' 1 row selected >>> !record