PREHOOK: query: -- This test verifies that the sort merge join optimizer works when the tables are joined on columns with different names -- Create bucketed and sorted tables CREATE TABLE test_table1 (key INT, value STRING) CLUSTERED BY (key) SORTED BY (key ASC) INTO 16 BUCKETS PREHOOK: type: CREATETABLE POSTHOOK: query: -- This test verifies that the sort merge join optimizer works when the tables are joined on columns with different names -- Create bucketed and sorted tables CREATE TABLE test_table1 (key INT, value STRING) CLUSTERED BY (key) SORTED BY (key ASC) INTO 16 BUCKETS POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@test_table1 PREHOOK: query: CREATE TABLE test_table2 (value INT, key STRING) CLUSTERED BY (value) SORTED BY (value ASC) INTO 16 BUCKETS PREHOOK: type: CREATETABLE POSTHOOK: query: CREATE TABLE test_table2 (value INT, key STRING) CLUSTERED BY (value) SORTED BY (value ASC) INTO 16 BUCKETS POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@test_table2 PREHOOK: query: CREATE TABLE test_table3 (key INT, value STRING) CLUSTERED BY (key, value) SORTED BY (key ASC, value ASC) INTO 16 BUCKETS PREHOOK: type: CREATETABLE POSTHOOK: query: CREATE TABLE test_table3 (key INT, value STRING) CLUSTERED BY (key, value) SORTED BY (key ASC, value ASC) INTO 16 BUCKETS POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@test_table3 PREHOOK: query: CREATE TABLE test_table4 (key INT, value STRING) CLUSTERED BY (key, value) SORTED BY (value ASC, key ASC) INTO 16 BUCKETS PREHOOK: type: CREATETABLE POSTHOOK: query: CREATE TABLE test_table4 (key INT, value STRING) CLUSTERED BY (key, value) SORTED BY (value ASC, key ASC) INTO 16 BUCKETS POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@test_table4 PREHOOK: query: FROM src INSERT OVERWRITE TABLE test_table1 SELECT * INSERT OVERWRITE TABLE test_table2 SELECT * INSERT OVERWRITE TABLE test_table3 SELECT * INSERT OVERWRITE TABLE test_table4 SELECT * PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: default@test_table1 PREHOOK: Output: default@test_table2 PREHOOK: Output: default@test_table3 PREHOOK: Output: default@test_table4 POSTHOOK: query: FROM src INSERT OVERWRITE TABLE test_table1 SELECT * INSERT OVERWRITE TABLE test_table2 SELECT * INSERT OVERWRITE TABLE test_table3 SELECT * INSERT OVERWRITE TABLE test_table4 SELECT * POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: default@test_table1 POSTHOOK: Output: default@test_table2 POSTHOOK: Output: default@test_table3 POSTHOOK: Output: default@test_table4 POSTHOOK: Lineage: test_table1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.key SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.value EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] PREHOOK: query: -- Join data from 2 tables on their respective sorted columns (one each, with different names) and -- verify sort merge join is used EXPLAIN EXTENDED SELECT /*+mapjoin(b)*/ * FROM test_table1 a JOIN test_table2 b ON a.key = b.value ORDER BY a.key LIMIT 10 PREHOOK: type: QUERY POSTHOOK: query: -- Join data from 2 tables on their respective sorted columns (one each, with different names) and -- verify sort merge join is used EXPLAIN EXTENDED SELECT /*+mapjoin(b)*/ * FROM test_table1 a JOIN test_table2 b ON a.key = b.value ORDER BY a.key LIMIT 10 POSTHOOK: type: QUERY POSTHOOK: Lineage: test_table1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.key SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.value EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME test_table1) a) (TOK_TABREF (TOK_TABNAME test_table2) b) (= (. (TOK_TABLE_OR_COL a) key) (. (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_ALLCOLREF)) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL a) key))) (TOK_LIMIT 10))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a GatherStats: false Sorted Merge Bucket Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {key} {value} 1 {value} {key} handleSkewJoin: false keys: 0 [Column[key]] 1 [Column[value]] outputColumnNames: _col0, _col1, _col4, _col5 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 _col0,_col1,_col4,_col5 columns.types int,string,int,string escape.delim \ TotalFiles: 1 GatherStats: false MultiFileSpray: false Needs Tagging: false Path -> Alias: #### A masked pattern was here #### Path -> Partition: #### A masked pattern was here #### Partition base file name: test_table1 input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat properties: SORTBUCKETCOLSPREFIX TRUE bucket_count 16 bucket_field_name key columns key,value columns.types int:string #### A masked pattern was here #### name default.test_table1 numFiles 16 numPartitions 0 numRows 500 rawDataSize 5312 serialization.ddl struct test_table1 { i32 key, string value} serialization.format 1 serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe totalSize 5812 #### 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 16 bucket_field_name key columns key,value columns.types int:string #### A masked pattern was here #### name default.test_table1 numFiles 16 numPartitions 0 numRows 500 rawDataSize 5312 serialization.ddl struct test_table1 { i32 key, string value} serialization.format 1 serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe totalSize 5812 #### A masked pattern was here #### serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe name: default.test_table1 name: default.test_table1 Truncated Path -> Alias: /test_table1 [a] Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: #### A masked pattern was here #### Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 Reduce Output Operator key expressions: expr: _col0 type: int sort order: + tag: -1 value expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string 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 _col0,_col1,_col4,_col5 columns.types int,string,int,string escape.delim \ input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat properties: columns _col0,_col1,_col4,_col5 columns.types int,string,int,string escape.delim \ Reduce Operator Tree: Extract Limit 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,_col1,_col2,_col3 columns.types int:string:int:string 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: 10 PREHOOK: query: SELECT /*+mapjoin(b)*/ * FROM test_table1 a JOIN test_table2 b ON a.key = b.value ORDER BY a.key LIMIT 10 PREHOOK: type: QUERY PREHOOK: Input: default@test_table1 PREHOOK: Input: default@test_table2 #### A masked pattern was here #### POSTHOOK: query: SELECT /*+mapjoin(b)*/ * FROM test_table1 a JOIN test_table2 b ON a.key = b.value ORDER BY a.key LIMIT 10 POSTHOOK: type: QUERY POSTHOOK: Input: default@test_table1 POSTHOOK: Input: default@test_table2 #### A masked pattern was here #### POSTHOOK: Lineage: test_table1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.key SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.value EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 0 val_0 2 val_2 2 val_2 PREHOOK: query: -- Join data from 2 tables on their respective columns (two each, with the same names but sorted -- with different priorities) and verify sort merge join is not used EXPLAIN EXTENDED SELECT /*+mapjoin(b)*/ * FROM test_table3 a JOIN test_table4 b ON a.key = b.value ORDER BY a.key LIMIT 10 PREHOOK: type: QUERY POSTHOOK: query: -- Join data from 2 tables on their respective columns (two each, with the same names but sorted -- with different priorities) and verify sort merge join is not used EXPLAIN EXTENDED SELECT /*+mapjoin(b)*/ * FROM test_table3 a JOIN test_table4 b ON a.key = b.value ORDER BY a.key LIMIT 10 POSTHOOK: type: QUERY POSTHOOK: Lineage: test_table1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.key SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.value EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME test_table3) a) (TOK_TABREF (TOK_TABNAME test_table4) b) (= (. (TOK_TABLE_OR_COL a) key) (. (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_ALLCOLREF)) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (. (TOK_TABLE_OR_COL a) key))) (TOK_LIMIT 10))) 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 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [class org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge(Column[key]()] 1 [class org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge(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 {key} {value} 1 {key} {value} handleSkewJoin: false keys: 0 [class org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge(Column[key]()] 1 [class org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge(Column[value]()] outputColumnNames: _col0, _col1, _col4, _col5 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 _col0,_col1,_col4,_col5 columns.types int,string,int,string 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: test_table3 input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat properties: SORTBUCKETCOLSPREFIX TRUE bucket_count 16 bucket_field_name key columns key,value columns.types int:string #### A masked pattern was here #### name default.test_table3 numFiles 16 numPartitions 0 numRows 500 rawDataSize 5312 serialization.ddl struct test_table3 { i32 key, string value} serialization.format 1 serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe totalSize 5812 #### 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 16 bucket_field_name key columns key,value columns.types int:string #### A masked pattern was here #### name default.test_table3 numFiles 16 numPartitions 0 numRows 500 rawDataSize 5312 serialization.ddl struct test_table3 { i32 key, string value} serialization.format 1 serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe totalSize 5812 #### A masked pattern was here #### serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe name: default.test_table3 name: default.test_table3 Truncated Path -> Alias: /test_table3 [a] Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: #### A masked pattern was here #### Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col4, _col5 Select Operator expressions: expr: _col0 type: int expr: _col1 type: string expr: _col4 type: int expr: _col5 type: string outputColumnNames: _col0, _col1, _col2, _col3 Reduce Output Operator key expressions: expr: _col0 type: int sort order: + tag: -1 value expressions: expr: _col0 type: int expr: _col1 type: string expr: _col2 type: int expr: _col3 type: string 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 _col0,_col1,_col4,_col5 columns.types int,string,int,string escape.delim \ input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat properties: columns _col0,_col1,_col4,_col5 columns.types int,string,int,string escape.delim \ Reduce Operator Tree: Extract Limit 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,_col1,_col2,_col3 columns.types int:string:int:string 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: 10 PREHOOK: query: SELECT /*+mapjoin(b)*/ * FROM test_table3 a JOIN test_table4 b ON a.key = b.value ORDER BY a.key LIMIT 10 PREHOOK: type: QUERY PREHOOK: Input: default@test_table3 PREHOOK: Input: default@test_table4 #### A masked pattern was here #### POSTHOOK: query: SELECT /*+mapjoin(b)*/ * FROM test_table3 a JOIN test_table4 b ON a.key = b.value ORDER BY a.key LIMIT 10 POSTHOOK: type: QUERY POSTHOOK: Input: default@test_table3 POSTHOOK: Input: default@test_table4 #### A masked pattern was here #### POSTHOOK: Lineage: test_table1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.key SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table2.value EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table3.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: test_table4.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ]