PREHOOK: query: drop table table1 PREHOOK: type: DROPTABLE POSTHOOK: query: drop table table1 POSTHOOK: type: DROPTABLE PREHOOK: query: drop table table2 PREHOOK: type: DROPTABLE POSTHOOK: query: drop table table2 POSTHOOK: type: DROPTABLE PREHOOK: query: create table table1(key string, value string) clustered by (key, value) sorted by (key, value) into 1 BUCKETS stored as textfile PREHOOK: type: CREATETABLE PREHOOK: Output: database:default PREHOOK: Output: default@table1 POSTHOOK: query: create table table1(key string, value string) clustered by (key, value) sorted by (key, value) into 1 BUCKETS stored as textfile POSTHOOK: type: CREATETABLE POSTHOOK: Output: database:default POSTHOOK: Output: default@table1 PREHOOK: query: create table table2(key string, value string) clustered by (value, key) sorted by (value, key) into 1 BUCKETS stored as textfile PREHOOK: type: CREATETABLE PREHOOK: Output: database:default PREHOOK: Output: default@table2 POSTHOOK: query: create table table2(key string, value string) clustered by (value, key) sorted by (value, key) into 1 BUCKETS stored as textfile POSTHOOK: type: CREATETABLE POSTHOOK: Output: database:default POSTHOOK: Output: default@table2 PREHOOK: query: load data local inpath '../../data/files/SortCol1Col2.txt' overwrite into table table1 PREHOOK: type: LOAD #### A masked pattern was here #### PREHOOK: Output: default@table1 POSTHOOK: query: load data local inpath '../../data/files/SortCol1Col2.txt' overwrite into table table1 POSTHOOK: type: LOAD #### A masked pattern was here #### POSTHOOK: Output: default@table1 PREHOOK: query: load data local inpath '../../data/files/SortCol2Col1.txt' overwrite into table table2 PREHOOK: type: LOAD #### A masked pattern was here #### PREHOOK: Output: default@table2 POSTHOOK: query: load data local inpath '../../data/files/SortCol2Col1.txt' overwrite into table table2 POSTHOOK: type: LOAD #### A masked pattern was here #### POSTHOOK: Output: default@table2 PREHOOK: query: -- The tables are bucketed in same columns in different order, -- but sorted in different column orders -- Neither bucketed map-join, nor sort-merge join should be performed explain extended select /*+ mapjoin(b) */ count(*) from table1 a join table2 b on a.key=b.key and a.value=b.value PREHOOK: type: QUERY POSTHOOK: query: -- The tables are bucketed in same columns in different order, -- but sorted in different column orders -- Neither bucketed map-join, nor sort-merge join should be performed explain extended select /*+ mapjoin(b) */ count(*) from table1 a join table2 b on a.key=b.key and a.value=b.value POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: TOK_QUERY TOK_FROM TOK_JOIN TOK_TABREF TOK_TABNAME table1 a TOK_TABREF TOK_TABNAME table2 b and = . TOK_TABLE_OR_COL a key . TOK_TABLE_OR_COL b key = . TOK_TABLE_OR_COL a value . TOK_TABLE_OR_COL b value TOK_INSERT TOK_DESTINATION TOK_DIR TOK_TMP_FILE TOK_SELECT TOK_HINTLIST TOK_HINT TOK_MAPJOIN TOK_HINTARGLIST b TOK_SELEXPR TOK_FUNCTIONSTAR count STAGE DEPENDENCIES: Stage-3 is a root stage Stage-1 depends on stages: Stage-3 Stage-0 depends on stages: Stage-1 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 Statistics: Num rows: 0 Data size: 21 Basic stats: PARTIAL Column stats: NONE GatherStats: false Filter Operator isSamplingPred: false predicate: (key is not null and value is not null) (type: boolean) Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE HashTable Sink Operator keys: 0 key (type: string), value (type: string) 1 key (type: string), value (type: string) Position of Big Table: 0 Stage: Stage-1 Map Reduce Map Operator Tree: TableScan alias: a Statistics: Num rows: 0 Data size: 20 Basic stats: PARTIAL Column stats: NONE GatherStats: false Filter Operator isSamplingPred: false predicate: (key is not null and value is not null) (type: boolean) Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE Map Join Operator condition map: Inner Join 0 to 1 keys: 0 key (type: string), value (type: string) 1 key (type: string), value (type: string) Position of Big Table: 0 Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE Group By Operator aggregations: count() mode: hash outputColumnNames: _col0 Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE Reduce Output Operator sort order: Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE tag: -1 value expressions: _col0 (type: bigint) auto parallelism: false Local Work: Map Reduce Local Work Path -> Alias: #### A masked pattern was here #### Path -> Partition: #### A masked pattern was here #### Partition base file name: table1 input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat properties: COLUMN_STATS_ACCURATE true SORTBUCKETCOLSPREFIX TRUE bucket_count 1 bucket_field_name key columns key,value columns.comments columns.types string:string #### A masked pattern was here #### name default.table1 numFiles 1 numRows 0 rawDataSize 0 serialization.ddl struct table1 { string key, string value} serialization.format 1 serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe totalSize 20 #### A masked pattern was here #### 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: COLUMN_STATS_ACCURATE true SORTBUCKETCOLSPREFIX TRUE bucket_count 1 bucket_field_name key columns key,value columns.comments columns.types string:string #### A masked pattern was here #### name default.table1 numFiles 1 numRows 0 rawDataSize 0 serialization.ddl struct table1 { string key, string value} serialization.format 1 serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe totalSize 20 #### A masked pattern was here #### serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe name: default.table1 name: default.table1 Truncated Path -> Alias: /table1 [a] Needs Tagging: false Reduce Operator Tree: Group By Operator aggregations: count(VALUE._col0) mode: mergepartial outputColumnNames: _col0 Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE Select Operator expressions: _col0 (type: bigint) outputColumnNames: _col0 Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE File Output Operator compressed: false GlobalTableId: 0 #### A masked pattern was here #### NumFilesPerFileSink: 1 Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE #### A masked pattern was here #### table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat properties: columns _col0 columns.types bigint escape.delim \ hive.serialization.extend.nesting.levels true serialization.format 1 serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe TotalFiles: 1 GatherStats: false MultiFileSpray: false Stage: Stage-0 Fetch Operator limit: -1 Processor Tree: ListSink PREHOOK: query: select /*+ mapjoin(b) */ count(*) from table1 a join table2 b on a.key=b.key and a.value=b.value PREHOOK: type: QUERY PREHOOK: Input: default@table1 PREHOOK: Input: default@table2 #### A masked pattern was here #### POSTHOOK: query: select /*+ mapjoin(b) */ count(*) from table1 a join table2 b on a.key=b.key and a.value=b.value POSTHOOK: type: QUERY POSTHOOK: Input: default@table1 POSTHOOK: Input: default@table2 #### A masked pattern was here #### 4