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 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: 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 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: default@table2 PREHOOK: query: load data local inpath '../data/files/SortCol1Col2.txt' overwrite into table table1 PREHOOK: type: LOAD PREHOOK: Output: default@table1 POSTHOOK: query: load data local inpath '../data/files/SortCol1Col2.txt' overwrite into table table1 POSTHOOK: type: LOAD POSTHOOK: Output: default@table1 PREHOOK: query: load data local inpath '../data/files/SortCol2Col1.txt' overwrite into table table2 PREHOOK: type: LOAD PREHOOK: Output: default@table2 POSTHOOK: query: load data local inpath '../data/files/SortCol2Col1.txt' overwrite into table table2 POSTHOOK: type: LOAD 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-4 is a root stage Stage-1 depends on stages: Stage-4 Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-4 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 1 handleSkewJoin: false keys: 0 [Column[key], Column[value]] 1 [Column[key], Column[value]] Position of Big Table: 0 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 1 handleSkewJoin: false keys: 0 [Column[key], Column[value]] 1 [Column[key], Column[value]] Position of Big Table: 0 File Output Operator compressed: false GlobalTableId: 0 #### A masked pattern was here #### NumFilesPerFileSink: 1 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat properties: columns columns.types escape.delim \ TotalFiles: 1 GatherStats: false MultiFileSpray: false Local Work: Map Reduce Local Work Needs Tagging: false 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: SORTBUCKETCOLSPREFIX TRUE bucket_count 1 bucket_field_name key columns key,value columns.types string:string #### A masked pattern was here #### name default.table1 numFiles 1 numPartitions 0 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: SORTBUCKETCOLSPREFIX TRUE bucket_count 1 bucket_field_name key columns key,value columns.types string:string #### A masked pattern was here #### name default.table1 numFiles 1 numPartitions 0 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] Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: #### A masked pattern was here #### Select Operator Select Operator Group By Operator aggregations: expr: count() bucketGroup: false mode: hash outputColumnNames: _col0 Reduce Output Operator sort order: tag: -1 value expressions: expr: _col0 type: bigint Needs Tagging: false Path -> Alias: #### A masked pattern was here #### Path -> Partition: #### A masked pattern was here #### Partition base file name: -mr-10002 input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat properties: columns columns.types escape.delim \ input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat properties: columns columns.types escape.delim \ Reduce Operator Tree: Group By Operator aggregations: expr: count(VALUE._col0) bucketGroup: false mode: mergepartial outputColumnNames: _col0 Select Operator expressions: expr: _col0 type: bigint outputColumnNames: _col0 File Output Operator compressed: false GlobalTableId: 0 #### A masked pattern was here #### NumFilesPerFileSink: 1 #### 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 \ serialization.format 1 TotalFiles: 1 GatherStats: false MultiFileSpray: false Truncated Path -> Alias: #### A masked pattern was here #### Stage: Stage-0 Fetch Operator limit: -1 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