Index: conf/hive-default.xml.template =================================================================== --- conf/hive-default.xml.template (revision 1449511) +++ conf/hive-default.xml.template (working copy) @@ -785,6 +785,12 @@ + hive.ignore.mapjoin.hint + false + If the input tables are not bucketed and the user specified a mapjoin hint, just ignore it + + + hive.mapjoin.localtask.max.memory.usage 0.90 This number means how much memory the local task can take to hold the key/value into in-memory hash table; If the local task's memory usage is more than this number, the local task will be abort by themself. It means the data of small table is too large to be hold in the memory. Index: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java =================================================================== --- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java (revision 1449511) +++ common/src/java/org/apache/hadoop/hive/conf/HiveConf.java (working copy) @@ -448,6 +448,11 @@ //small table file size HIVESMALLTABLESFILESIZE("hive.mapjoin.smalltable.filesize",25000000L), //25M + // ignore mapjoin hint if the table is not sorted/bucketed + // After HIVE-3784, the mapjoin hint is only needed for bucketed/sorted tables. + // If this conf. is set, process the query as if the user has not specified the hint + HIVEIGNOREMAPJOINHINT("hive.ignore.mapjoin.hint", false), + // random number for split sampling HIVESAMPLERANDOMNUM("hive.sample.seednumber", 0), Index: ql/src/test/results/clientpositive/join29.q.out =================================================================== --- ql/src/test/results/clientpositive/join29.q.out (revision 1449511) +++ ql/src/test/results/clientpositive/join29.q.out (working copy) @@ -402,3 +402,413 @@ 406 1 4 66 1 1 98 1 2 +PREHOOK: query: -- Mapjoin followed by group by is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(subq1) */ subq1.key, subq1.cnt, subq2.cnt +FROM (select x.key, count(1) as cnt from src1 x group by x.key) subq1 JOIN + (select y.key, count(1) as cnt from src y group by y.key) subq2 ON (subq1.key = subq2.key) +PREHOOK: type: QUERY +POSTHOOK: query: -- Mapjoin followed by group by is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(subq1) */ subq1.key, subq1.cnt, subq2.cnt +FROM (select x.key, count(1) as cnt from src1 x group by x.key) subq1 JOIN + (select y.key, count(1) as cnt from src y group by y.key) subq2 ON (subq1.key = subq2.key) +POSTHOOK: type: QUERY +POSTHOOK: Lineage: dest_j1.cnt1 EXPRESSION [(src1)x.null, ] +POSTHOOK: Lineage: dest_j1.cnt2 EXPRESSION [(src)y.null, ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src1) x)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key)) (TOK_SELEXPR (TOK_FUNCTION count 1) cnt)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL x) key)))) subq1) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src) y)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL y) key)) (TOK_SELEXPR (TOK_FUNCTION count 1) cnt)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL y) key)))) subq2) (= (. (TOK_TABLE_OR_COL subq1) key) (. (TOK_TABLE_OR_COL subq2) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dest_j1))) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST subq1))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL subq1) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL subq1) cnt)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL subq2) cnt))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-7 depends on stages: Stage-1, Stage-4 , consists of Stage-8, Stage-9, Stage-2 + Stage-8 has a backup stage: Stage-2 + Stage-5 depends on stages: Stage-8 + Stage-0 depends on stages: Stage-2, Stage-5, Stage-6 + Stage-3 depends on stages: Stage-0 + Stage-9 has a backup stage: Stage-2 + Stage-6 depends on stages: Stage-9 + Stage-2 + Stage-4 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + subq2:y + TableScan + alias: y + Select Operator + expressions: + expr: key + type: string + outputColumnNames: key + Group By Operator + aggregations: + expr: count(1) + bucketGroup: false + keys: + expr: key + type: string + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: + expr: _col0 + type: string + sort order: + + Map-reduce partition columns: + expr: _col0 + type: string + tag: -1 + value expressions: + expr: _col1 + type: bigint + Reduce Operator Tree: + Group By Operator + aggregations: + expr: count(VALUE._col0) + bucketGroup: false + keys: + expr: KEY._col0 + type: string + mode: mergepartial + outputColumnNames: _col0, _col1 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1 + File Output Operator + compressed: false + GlobalTableId: 0 + table: + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + + Stage: Stage-7 + Conditional Operator + + Stage: Stage-8 + Map Reduce Local Work + Alias -> Map Local Tables: + $INTNAME + Fetch Operator + limit: -1 + Alias -> Map Local Operator Tree: + $INTNAME + HashTable Sink Operator + condition expressions: + 0 {_col0} {_col1} + 1 {_col1} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + Position of Big Table: 0 + + Stage: Stage-5 + Map Reduce + Alias -> Map Operator Tree: + $INTNAME1 + Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {_col0} {_col1} + 1 {_col1} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + outputColumnNames: _col0, _col1, _col3 + Position of Big Table: 0 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: bigint + expr: _col3 + type: bigint + outputColumnNames: _col0, _col1, _col2 + Select Operator + expressions: + expr: _col0 + type: string + expr: UDFToInteger(_col1) + type: int + expr: UDFToInteger(_col2) + type: int + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + GlobalTableId: 1 + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + Local Work: + Map Reduce Local Work + + Stage: Stage-0 + Move Operator + tables: + replace: true + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + + Stage: Stage-3 + Stats-Aggr Operator + + Stage: Stage-9 + Map Reduce Local Work + Alias -> Map Local Tables: + $INTNAME1 + Fetch Operator + limit: -1 + Alias -> Map Local Operator Tree: + $INTNAME1 + HashTable Sink Operator + condition expressions: + 0 {_col0} {_col1} + 1 {_col1} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + Position of Big Table: 1 + + Stage: Stage-6 + Map Reduce + Alias -> Map Operator Tree: + $INTNAME + Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {_col0} {_col1} + 1 {_col1} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + outputColumnNames: _col0, _col1, _col3 + Position of Big Table: 1 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: bigint + expr: _col3 + type: bigint + outputColumnNames: _col0, _col1, _col2 + Select Operator + expressions: + expr: _col0 + type: string + expr: UDFToInteger(_col1) + type: int + expr: UDFToInteger(_col2) + type: int + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + GlobalTableId: 1 + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + Local Work: + Map Reduce Local Work + + Stage: Stage-2 + Map Reduce + Alias -> Map Operator Tree: + $INTNAME + Reduce Output Operator + key expressions: + expr: _col0 + type: string + sort order: + + Map-reduce partition columns: + expr: _col0 + type: string + tag: 1 + value expressions: + expr: _col1 + type: bigint + $INTNAME1 + Reduce Output Operator + key expressions: + expr: _col0 + type: string + sort order: + + Map-reduce partition columns: + expr: _col0 + type: string + tag: 0 + value expressions: + expr: _col0 + type: string + expr: _col1 + type: bigint + Reduce Operator Tree: + Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {VALUE._col0} {VALUE._col1} + 1 {VALUE._col1} + handleSkewJoin: false + outputColumnNames: _col0, _col1, _col3 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: bigint + expr: _col3 + type: bigint + outputColumnNames: _col0, _col1, _col2 + Select Operator + expressions: + expr: _col0 + type: string + expr: UDFToInteger(_col1) + type: int + expr: UDFToInteger(_col2) + type: int + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + GlobalTableId: 1 + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + + Stage: Stage-4 + Map Reduce + Alias -> Map Operator Tree: + subq1:x + TableScan + alias: x + Select Operator + expressions: + expr: key + type: string + outputColumnNames: key + Group By Operator + aggregations: + expr: count(1) + bucketGroup: false + keys: + expr: key + type: string + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: + expr: _col0 + type: string + sort order: + + Map-reduce partition columns: + expr: _col0 + type: string + tag: -1 + value expressions: + expr: _col1 + type: bigint + Reduce Operator Tree: + Group By Operator + aggregations: + expr: count(VALUE._col0) + bucketGroup: false + keys: + expr: KEY._col0 + type: string + mode: mergepartial + outputColumnNames: _col0, _col1 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1 + File Output Operator + compressed: false + GlobalTableId: 0 + table: + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + + +PREHOOK: query: INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(subq1) */ subq1.key, subq1.cnt, subq2.cnt +FROM (select x.key, count(1) as cnt from src1 x group by x.key) subq1 JOIN + (select y.key, count(1) as cnt from src y group by y.key) subq2 ON (subq1.key = subq2.key) +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Input: default@src1 +PREHOOK: Output: default@dest_j1 +POSTHOOK: query: INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(subq1) */ subq1.key, subq1.cnt, subq2.cnt +FROM (select x.key, count(1) as cnt from src1 x group by x.key) subq1 JOIN + (select y.key, count(1) as cnt from src y group by y.key) subq2 ON (subq1.key = subq2.key) +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Input: default@src1 +POSTHOOK: Output: default@dest_j1 +POSTHOOK: Lineage: dest_j1.cnt1 EXPRESSION [(src1)x.null, ] +POSTHOOK: Lineage: dest_j1.cnt1 EXPRESSION [(src1)x.null, ] +POSTHOOK: Lineage: dest_j1.cnt2 EXPRESSION [(src)y.null, ] +POSTHOOK: Lineage: dest_j1.cnt2 EXPRESSION [(src)y.null, ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +PREHOOK: query: select * from dest_j1 x order by x.key +PREHOOK: type: QUERY +PREHOOK: Input: default@dest_j1 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest_j1 x order by x.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest_j1 +#### A masked pattern was here #### +POSTHOOK: Lineage: dest_j1.cnt1 EXPRESSION [(src1)x.null, ] +POSTHOOK: Lineage: dest_j1.cnt1 EXPRESSION [(src1)x.null, ] +POSTHOOK: Lineage: dest_j1.cnt2 EXPRESSION [(src)y.null, ] +POSTHOOK: Lineage: dest_j1.cnt2 EXPRESSION [(src)y.null, ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +128 1 3 +146 1 2 +150 1 1 +213 1 2 +224 1 2 +238 1 2 +255 1 2 +273 1 3 +278 1 2 +311 1 3 +369 1 3 +401 1 5 +406 1 4 +66 1 1 +98 1 2 Index: ql/src/test/results/clientpositive/join35.q.out =================================================================== --- ql/src/test/results/clientpositive/join35.q.out (revision 1449511) +++ ql/src/test/results/clientpositive/join35.q.out (working copy) @@ -952,3 +952,988 @@ 369 3 401 val_401 5 406 val_406 4 +PREHOOK: query: -- Mapjoin followed by union is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN EXTENDED +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x) */ x.key, x.value, subq1.cnt +FROM +( SELECT x.key as key, count(1) as cnt from src x where x.key < 20 group by x.key + UNION ALL + SELECT x1.key as key, count(1) as cnt from src x1 where x1.key > 100 group by x1.key +) subq1 +JOIN src1 x ON (x.key = subq1.key) +PREHOOK: type: QUERY +POSTHOOK: query: -- Mapjoin followed by union is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN EXTENDED +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x) */ x.key, x.value, subq1.cnt +FROM +( SELECT x.key as key, count(1) as cnt from src x where x.key < 20 group by x.key + UNION ALL + SELECT x1.key as key, count(1) as cnt from src x1 where x1.key > 100 group by x1.key +) subq1 +JOIN src1 x ON (x.key = subq1.key) +POSTHOOK: type: QUERY +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)x.null, (src)x1.null, ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(src1)x.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_UNION (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src) x)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key) key) (TOK_SELEXPR (TOK_FUNCTION count 1) cnt)) (TOK_WHERE (< (. (TOK_TABLE_OR_COL x) key) 20)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL x) key)))) (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src) x1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL x1) key) key) (TOK_SELEXPR (TOK_FUNCTION count 1) cnt)) (TOK_WHERE (> (. (TOK_TABLE_OR_COL x1) key) 100)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL x1) key))))) subq1) (TOK_TABREF (TOK_TABNAME src1) x) (= (. (TOK_TABLE_OR_COL x) key) (. (TOK_TABLE_OR_COL subq1) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dest_j1))) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST x))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) value)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL subq1) cnt))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-8 depends on stages: Stage-1, Stage-4 , consists of Stage-9, Stage-10, Stage-2 + Stage-9 has a backup stage: Stage-2 + Stage-6 depends on stages: Stage-9 + Stage-0 depends on stages: Stage-2, Stage-6, Stage-7 + Stage-3 depends on stages: Stage-0 + Stage-10 has a backup stage: Stage-2 + Stage-7 depends on stages: Stage-10 + Stage-2 + Stage-4 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + null-subquery1:subq1-subquery1:x + TableScan + alias: x + GatherStats: false + Filter Operator + isSamplingPred: false + predicate: + expr: (key < 20.0) + type: boolean + Select Operator + expressions: + expr: key + type: string + outputColumnNames: key + Group By Operator + aggregations: + expr: count(1) + bucketGroup: false + keys: + expr: key + type: string + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: + expr: _col0 + type: string + sort order: + + Map-reduce partition columns: + expr: _col0 + type: string + tag: -1 + value expressions: + expr: _col1 + type: bigint + Needs Tagging: false + Path -> Alias: +#### A masked pattern was here #### + Path -> Partition: +#### A masked pattern was here #### + Partition + base file name: src + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src { string 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: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src { string 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.src + name: default.src + Reduce Operator Tree: + Group By Operator + aggregations: + expr: count(VALUE._col0) + bucketGroup: false + keys: + expr: KEY._col0 + type: string + mode: mergepartial + outputColumnNames: _col0, _col1 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1 + 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 + columns.types string,bigint + escape.delim \ + TotalFiles: 1 + GatherStats: false + MultiFileSpray: false + Truncated Path -> Alias: + /src [null-subquery1:subq1-subquery1:x] + + Stage: Stage-8 + Conditional Operator + + Stage: Stage-9 + Map Reduce Local Work + Alias -> Map Local Tables: + x + Fetch Operator + limit: -1 + Alias -> Map Local Operator Tree: + x + TableScan + alias: x + GatherStats: false + HashTable Sink Operator + condition expressions: + 0 {_col1} + 1 {key} {value} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + Position of Big Table: 0 + + Stage: Stage-6 + Map Reduce + Alias -> Map Operator Tree: +#### A masked pattern was here #### + TableScan + GatherStats: false + Union + Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {_col1} + 1 {key} {value} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + outputColumnNames: _col1, _col2, _col3 + Position of Big Table: 0 + Select Operator + expressions: + expr: _col2 + type: string + expr: _col3 + type: string + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1, _col2 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: string + expr: UDFToInteger(_col2) + type: int + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + GlobalTableId: 1 +#### 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: + bucket_count -1 + columns key,value,val2 + columns.types string:string:int +#### A masked pattern was here #### + name default.dest_j1 + numFiles 2 + numPartitions 0 + numRows 13 + rawDataSize 148 + serialization.ddl struct dest_j1 { string key, string value, i32 val2} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 161 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + TotalFiles: 1 + GatherStats: true + MultiFileSpray: false +#### A masked pattern was here #### + TableScan + GatherStats: false + Union + Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {_col1} + 1 {key} {value} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + outputColumnNames: _col1, _col2, _col3 + Position of Big Table: 0 + Select Operator + expressions: + expr: _col2 + type: string + expr: _col3 + type: string + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1, _col2 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: string + expr: UDFToInteger(_col2) + type: int + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + GlobalTableId: 1 +#### 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: + bucket_count -1 + columns key,value,val2 + columns.types string:string:int +#### A masked pattern was here #### + name default.dest_j1 + numFiles 2 + numPartitions 0 + numRows 13 + rawDataSize 148 + serialization.ddl struct dest_j1 { string key, string value, i32 val2} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 161 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + TotalFiles: 1 + GatherStats: true + MultiFileSpray: false + Local Work: + Map Reduce Local Work + Needs Tagging: true + 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 + columns.types string,bigint + escape.delim \ + + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ +#### A masked pattern was here #### + Partition + base file name: -mr-10003 + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ + + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ +#### A masked pattern was here #### + Partition + base file name: src1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src1 + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src1 { string key, string value} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 216 +#### 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: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src1 + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src1 { string key, string value} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 216 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.src1 + name: default.src1 + Truncated Path -> Alias: +#### A masked pattern was here #### + + Stage: Stage-0 + Move Operator + tables: + replace: true +#### A masked pattern was here #### + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value,val2 + columns.types string:string:int +#### A masked pattern was here #### + name default.dest_j1 + numFiles 2 + numPartitions 0 + numRows 13 + rawDataSize 148 + serialization.ddl struct dest_j1 { string key, string value, i32 val2} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 161 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 +#### A masked pattern was here #### + + Stage: Stage-3 + Stats-Aggr Operator +#### A masked pattern was here #### + + Stage: Stage-10 + Map Reduce Local Work + Alias -> Map Local Tables: +#### A masked pattern was here #### + Fetch Operator + limit: -1 +#### A masked pattern was here #### + Fetch Operator + limit: -1 + Alias -> Map Local Operator Tree: +#### A masked pattern was here #### + TableScan + GatherStats: false + Union + HashTable Sink Operator + condition expressions: + 0 {_col1} + 1 {key} {value} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + Position of Big Table: 1 +#### A masked pattern was here #### + TableScan + GatherStats: false + Union + HashTable Sink Operator + condition expressions: + 0 {_col1} + 1 {key} {value} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + Position of Big Table: 1 + + Stage: Stage-7 + Map Reduce + Alias -> Map Operator Tree: + x + TableScan + alias: x + GatherStats: false + Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {_col1} + 1 {key} {value} + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + outputColumnNames: _col1, _col2, _col3 + Position of Big Table: 1 + Select Operator + expressions: + expr: _col2 + type: string + expr: _col3 + type: string + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1, _col2 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: string + expr: UDFToInteger(_col2) + type: int + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + GlobalTableId: 1 +#### 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: + bucket_count -1 + columns key,value,val2 + columns.types string:string:int +#### A masked pattern was here #### + name default.dest_j1 + numFiles 2 + numPartitions 0 + numRows 13 + rawDataSize 148 + serialization.ddl struct dest_j1 { string key, string value, i32 val2} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 161 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + TotalFiles: 1 + GatherStats: true + MultiFileSpray: false + Local Work: + Map Reduce Local Work + Needs Tagging: true + 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 + columns.types string,bigint + escape.delim \ + + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ +#### A masked pattern was here #### + Partition + base file name: -mr-10003 + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ + + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ +#### A masked pattern was here #### + Partition + base file name: src1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src1 + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src1 { string key, string value} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 216 +#### 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: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src1 + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src1 { string key, string value} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 216 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.src1 + name: default.src1 + Truncated Path -> Alias: + /src1 [x] + + Stage: Stage-2 + Map Reduce + Alias -> Map Operator Tree: +#### A masked pattern was here #### + TableScan + GatherStats: false + Union + Reduce Output Operator + key expressions: + expr: _col0 + type: string + sort order: + + Map-reduce partition columns: + expr: _col0 + type: string + tag: 0 + value expressions: + expr: _col1 + type: bigint +#### A masked pattern was here #### + TableScan + GatherStats: false + Union + Reduce Output Operator + key expressions: + expr: _col0 + type: string + sort order: + + Map-reduce partition columns: + expr: _col0 + type: string + tag: 0 + value expressions: + expr: _col1 + type: bigint + x + TableScan + alias: x + GatherStats: false + Reduce Output Operator + key expressions: + expr: key + type: string + sort order: + + Map-reduce partition columns: + expr: key + type: string + tag: 1 + value expressions: + expr: key + type: string + expr: value + type: string + Needs Tagging: true + 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 + columns.types string,bigint + escape.delim \ + + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ +#### A masked pattern was here #### + Partition + base file name: -mr-10003 + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ + + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1 + columns.types string,bigint + escape.delim \ +#### A masked pattern was here #### + Partition + base file name: src1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src1 + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src1 { string key, string value} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 216 +#### 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: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src1 + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src1 { string key, string value} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 216 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.src1 + name: default.src1 + Reduce Operator Tree: + Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {VALUE._col1} + 1 {VALUE._col0} {VALUE._col1} + handleSkewJoin: false + outputColumnNames: _col1, _col2, _col3 + Select Operator + expressions: + expr: _col2 + type: string + expr: _col3 + type: string + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1, _col2 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: string + expr: UDFToInteger(_col2) + type: int + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + GlobalTableId: 1 +#### 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: + bucket_count -1 + columns key,value,val2 + columns.types string:string:int +#### A masked pattern was here #### + name default.dest_j1 + numFiles 2 + numPartitions 0 + numRows 13 + rawDataSize 148 + serialization.ddl struct dest_j1 { string key, string value, i32 val2} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 161 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + TotalFiles: 1 + GatherStats: true + MultiFileSpray: false + Truncated Path -> Alias: + /src1 [x] +#### A masked pattern was here #### + + Stage: Stage-4 + Map Reduce + Alias -> Map Operator Tree: + null-subquery2:subq1-subquery2:x1 + TableScan + alias: x1 + GatherStats: false + Filter Operator + isSamplingPred: false + predicate: + expr: (key > 100.0) + type: boolean + Select Operator + expressions: + expr: key + type: string + outputColumnNames: key + Group By Operator + aggregations: + expr: count(1) + bucketGroup: false + keys: + expr: key + type: string + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: + expr: _col0 + type: string + sort order: + + Map-reduce partition columns: + expr: _col0 + type: string + tag: -1 + value expressions: + expr: _col1 + type: bigint + Needs Tagging: false + Path -> Alias: +#### A masked pattern was here #### + Path -> Partition: +#### A masked pattern was here #### + Partition + base file name: src + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src { string 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: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src { string 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.src + name: default.src + Reduce Operator Tree: + Group By Operator + aggregations: + expr: count(VALUE._col0) + bucketGroup: false + keys: + expr: KEY._col0 + type: string + mode: mergepartial + outputColumnNames: _col0, _col1 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1 + 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 + columns.types string,bigint + escape.delim \ + TotalFiles: 1 + GatherStats: false + MultiFileSpray: false + Truncated Path -> Alias: + /src [null-subquery2:subq1-subquery2:x1] + + +PREHOOK: query: INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x) */ x.key, x.value, subq1.cnt +FROM +( SELECT x.key as key, count(1) as cnt from src x where x.key < 20 group by x.key + UNION ALL + SELECT x1.key as key, count(1) as cnt from src x1 where x1.key > 100 group by x1.key +) subq1 +JOIN src1 x ON (x.key = subq1.key) +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Input: default@src1 +PREHOOK: Output: default@dest_j1 +POSTHOOK: query: INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x) */ x.key, x.value, subq1.cnt +FROM +( SELECT x.key as key, count(1) as cnt from src x where x.key < 20 group by x.key + UNION ALL + SELECT x1.key as key, count(1) as cnt from src x1 where x1.key > 100 group by x1.key +) subq1 +JOIN src1 x ON (x.key = subq1.key) +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Input: default@src1 +POSTHOOK: Output: default@dest_j1 +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)x.null, (src)x1.null, ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)x.null, (src)x1.null, ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(src1)x.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(src1)x.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: select * from dest_j1 x order by x.key +PREHOOK: type: QUERY +PREHOOK: Input: default@dest_j1 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest_j1 x order by x.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest_j1 +#### A masked pattern was here #### +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)x.null, (src)x1.null, ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)x.null, (src)x1.null, ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(src1)x.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(src1)x.FieldSchema(name:value, type:string, comment:default), ] +128 3 +146 val_146 2 +150 val_150 1 +213 val_213 2 +224 2 +238 val_238 2 +255 val_255 2 +273 val_273 3 +278 val_278 2 +311 val_311 3 +369 3 +401 val_401 5 +406 val_406 4 Index: ql/src/test/results/clientpositive/join28.q.out =================================================================== --- ql/src/test/results/clientpositive/join28.q.out (revision 1449511) +++ ql/src/test/results/clientpositive/join28.q.out (working copy) @@ -278,3 +278,286 @@ 98 val_98 98 val_98 98 val_98 +PREHOOK: query: -- Mapjoin followed by mapjoin is not supported. +-- The same query would work fine without the hint. +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN +INSERT OVERWRITE TABLE dest_j1 +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: -- Mapjoin followed by mapjoin is not supported. +-- The same query would work fine without the hint. +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN +INSERT OVERWRITE TABLE dest_j1 +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: Lineage: dest_j1.key EXPRESSION [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +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_TAB (TOK_TABNAME dest_j1))) (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-8 is a root stage + Stage-7 depends on stages: Stage-8 + Stage-0 depends on stages: Stage-7 + Stage-3 depends on stages: Stage-0 + +STAGE PLANS: + Stage: Stage-8 + 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-7 + 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 + 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, _col1 + File Output Operator + compressed: false + GlobalTableId: 1 + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + Local Work: + Map Reduce Local Work + + Stage: Stage-0 + Move Operator + tables: + replace: true + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + + Stage: Stage-3 + Stats-Aggr Operator + + +PREHOOK: query: INSERT OVERWRITE TABLE dest_j1 +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 +PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11 +PREHOOK: Output: default@dest_j1 +POSTHOOK: query: INSERT OVERWRITE TABLE dest_j1 +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 +POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11 +POSTHOOK: Output: default@dest_j1 +POSTHOOK: Lineage: dest_j1.key EXPRESSION [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.key EXPRESSION [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: select * from dest_j1 x order by x.key +PREHOOK: type: QUERY +PREHOOK: Input: default@dest_j1 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest_j1 x order by x.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest_j1 +#### A masked pattern was here #### +POSTHOOK: Lineage: dest_j1.key EXPRESSION [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.key EXPRESSION [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +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 Index: ql/src/test/results/clientpositive/union22_2.q.out =================================================================== --- ql/src/test/results/clientpositive/union22_2.q.out (revision 0) +++ ql/src/test/results/clientpositive/union22_2.q.out (working copy) @@ -0,0 +1,1798 @@ +PREHOOK: query: create table dst_union22(k1 string, k2 string, k3 string, k4 string) partitioned by (ds string) +PREHOOK: type: CREATETABLE +POSTHOOK: query: create table dst_union22(k1 string, k2 string, k3 string, k4 string) partitioned by (ds string) +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: default@dst_union22 +PREHOOK: query: create table dst_union22_delta(k0 string, k1 string, k2 string, k3 string, k4 string, k5 string) partitioned by (ds string) +PREHOOK: type: CREATETABLE +POSTHOOK: query: create table dst_union22_delta(k0 string, k1 string, k2 string, k3 string, k4 string, k5 string) partitioned by (ds string) +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: default@dst_union22_delta +PREHOOK: query: insert overwrite table dst_union22 partition (ds='1') +select key, value, key , value from src +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Output: default@dst_union22@ds=1 +POSTHOOK: query: insert overwrite table dst_union22 partition (ds='1') +select key, value, key , value from src +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Output: default@dst_union22@ds=1 +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k1 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k2 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k3 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k4 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: insert overwrite table dst_union22_delta partition (ds='1') +select key, key, value, key, value, value from src +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Output: default@dst_union22_delta@ds=1 +POSTHOOK: query: insert overwrite table dst_union22_delta partition (ds='1') +select key, key, value, key, value, value from src +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Output: default@dst_union22_delta@ds=1 +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k1 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k2 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k3 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k4 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k0 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k1 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k2 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k3 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k4 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k5 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: -- Union followed by Mapjoin is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +explain extended +insert overwrite table dst_union22 partition (ds='2') +select * from +( +select k1 as k1, k2 as k2, k3 as k3, k4 as k4 from dst_union22_delta where ds = '1' and k0 <= 50 +union all +select /*+ MAPJOIN(b) */ a.k1 as k1, a.k2 as k2, b.k3 as k3, b.k4 as k4 +from dst_union22 a left outer join (select * from dst_union22_delta where ds = '1' and k0 > 50) b on +a.k1 = b.k1 and a.ds='1' +where a.k1 > 20 +) +subq +PREHOOK: type: QUERY +POSTHOOK: query: -- Union followed by Mapjoin is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +explain extended +insert overwrite table dst_union22 partition (ds='2') +select * from +( +select k1 as k1, k2 as k2, k3 as k3, k4 as k4 from dst_union22_delta where ds = '1' and k0 <= 50 +union all +select /*+ MAPJOIN(b) */ a.k1 as k1, a.k2 as k2, b.k3 as k3, b.k4 as k4 +from dst_union22 a left outer join (select * from dst_union22_delta where ds = '1' and k0 > 50) b on +a.k1 = b.k1 and a.ds='1' +where a.k1 > 20 +) +subq +POSTHOOK: type: QUERY +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k1 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k2 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k3 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k4 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k0 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k1 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k2 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k3 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k4 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k5 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_UNION (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME dst_union22_delta))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_TABLE_OR_COL k1) k1) (TOK_SELEXPR (TOK_TABLE_OR_COL k2) k2) (TOK_SELEXPR (TOK_TABLE_OR_COL k3) k3) (TOK_SELEXPR (TOK_TABLE_OR_COL k4) k4)) (TOK_WHERE (and (= (TOK_TABLE_OR_COL ds) '1') (<= (TOK_TABLE_OR_COL k0) 50))))) (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME dst_union22) a) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME dst_union22_delta))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_WHERE (and (= (TOK_TABLE_OR_COL ds) '1') (> (TOK_TABLE_OR_COL k0) 50))))) b) (and (= (. (TOK_TABLE_OR_COL a) k1) (. (TOK_TABLE_OR_COL b) k1)) (= (. (TOK_TABLE_OR_COL a) ds) '1')))) (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) k1) k1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) k2) k2) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) k3) k3) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) k4) k4)) (TOK_WHERE (> (. (TOK_TABLE_OR_COL a) k1) 20))))) subq)) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dst_union22) (TOK_PARTSPEC (TOK_PARTVAL ds '2')))) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) + +STAGE DEPENDENCIES: + Stage-7 is a root stage , consists of Stage-8, Stage-1 + Stage-8 has a backup stage: Stage-1 + Stage-6 depends on stages: Stage-8 + Stage-2 depends on stages: Stage-1, Stage-6 + Stage-0 depends on stages: Stage-2 + Stage-3 depends on stages: Stage-0 + Stage-1 + +STAGE PLANS: + Stage: Stage-7 + Conditional Operator + + Stage: Stage-8 + Map Reduce Local Work + Alias -> Map Local Tables: + null-subquery2:subq-subquery2:b:dst_union22_delta + Fetch Operator + limit: -1 + Alias -> Map Local Operator Tree: + null-subquery2:subq-subquery2:b:dst_union22_delta + TableScan + alias: dst_union22_delta + GatherStats: false + Filter Operator + isSamplingPred: false + predicate: + expr: ((k0 > 50.0) and (k1 > 20.0)) + type: boolean + Select Operator + expressions: + expr: k1 + type: string + expr: k3 + type: string + expr: k4 + type: string + outputColumnNames: _col1, _col3, _col4 + HashTable Sink Operator + condition expressions: + 0 {k1} {k2} + 1 {_col3} {_col4} + filter mappings: + 0 [1, 1] + filter predicates: + 0 {(ds = '1')} + 1 + handleSkewJoin: false + keys: + 0 [Column[k1]] + 1 [Column[_col1]] + Position of Big Table: 0 + + Stage: Stage-6 + Map Reduce + Alias -> Map Operator Tree: + null-subquery2:subq-subquery2:a + TableScan + alias: a + GatherStats: false + Filter Operator + isSamplingPred: false + predicate: + expr: (k1 > 20.0) + type: boolean + Map Join Operator + condition map: + Left Outer Join0 to 1 + condition expressions: + 0 {k1} {k2} + 1 {_col3} {_col4} + filter mappings: + 0 [1, 1] + filter predicates: + 0 {(ds = '1')} + 1 + handleSkewJoin: false + keys: + 0 [Column[k1]] + 1 [Column[_col1]] + outputColumnNames: _col0, _col1, _col10, _col11 + Position of Big Table: 0 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: string + expr: _col10 + type: string + expr: _col11 + type: string + outputColumnNames: _col0, _col1, _col2, _col3 + 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,_col2,_col3 + columns.types string,string,string,string + escape.delim \ + TotalFiles: 1 + GatherStats: false + MultiFileSpray: false + Local Work: + Map Reduce Local Work + Needs Tagging: true + Path -> Alias: +#### A masked pattern was here #### + Path -> Partition: +#### A masked pattern was here #### + Partition + base file name: ds=1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + partition values: + ds 1 + properties: + bucket_count -1 + columns k1,k2,k3,k4 + columns.types string:string:string:string +#### A masked pattern was here #### + name default.dst_union22 + numFiles 1 + numRows 500 + partition_columns ds + rawDataSize 11124 + serialization.ddl struct dst_union22 { string k1, string k2, string k3, string k4} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 11624 +#### 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: + bucket_count -1 + columns k1,k2,k3,k4 + columns.types string:string:string:string +#### A masked pattern was here #### + name default.dst_union22 + numFiles 1 + numPartitions 1 + numRows 500 + partition_columns ds + rawDataSize 11124 + serialization.ddl struct dst_union22 { string k1, string k2, string k3, string k4} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 11624 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dst_union22 + name: default.dst_union22 +#### A masked pattern was here #### + Partition + base file name: ds=1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + partition values: + ds 1 + properties: + bucket_count -1 + columns k0,k1,k2,k3,k4,k5 + columns.types string:string:string:string:string:string +#### A masked pattern was here #### + name default.dst_union22_delta + numFiles 1 + numRows 500 + partition_columns ds + rawDataSize 16936 + serialization.ddl struct dst_union22_delta { string k0, string k1, string k2, string k3, string k4, string k5} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 17436 +#### 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: + bucket_count -1 + columns k0,k1,k2,k3,k4,k5 + columns.types string:string:string:string:string:string +#### A masked pattern was here #### + name default.dst_union22_delta + numFiles 1 + numPartitions 1 + numRows 500 + partition_columns ds + rawDataSize 16936 + serialization.ddl struct dst_union22_delta { string k0, string k1, string k2, string k3, string k4, string k5} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 17436 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dst_union22_delta + name: default.dst_union22_delta + Truncated Path -> Alias: + /dst_union22/ds=1 [null-subquery2:subq-subquery2:a] + + Stage: Stage-2 + Map Reduce + Alias -> Map Operator Tree: +#### A masked pattern was here #### + TableScan + GatherStats: false + Union + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: string + expr: _col2 + type: string + expr: _col3 + type: string + outputColumnNames: _col0, _col1, _col2, _col3 + File Output Operator + compressed: false + GlobalTableId: 1 +#### A masked pattern was here #### + NumFilesPerFileSink: 1 + Static Partition Specification: ds=2/ +#### A masked pattern was here #### + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns k1,k2,k3,k4 + columns.types string:string:string:string +#### A masked pattern was here #### + name default.dst_union22 + numFiles 1 + numPartitions 1 + numRows 500 + partition_columns ds + rawDataSize 11124 + serialization.ddl struct dst_union22 { string k1, string k2, string k3, string k4} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 11624 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dst_union22 + TotalFiles: 1 + GatherStats: true + MultiFileSpray: false + null-subquery1:subq-subquery1:dst_union22_delta + TableScan + alias: dst_union22_delta + GatherStats: false + Filter Operator + isSamplingPred: false + predicate: + expr: (k0 <= 50.0) + type: boolean + Select Operator + expressions: + expr: k1 + type: string + expr: k2 + type: string + expr: k3 + type: string + expr: k4 + type: string + outputColumnNames: _col0, _col1, _col2, _col3 + Union + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: string + expr: _col2 + type: string + expr: _col3 + type: string + outputColumnNames: _col0, _col1, _col2, _col3 + File Output Operator + compressed: false + GlobalTableId: 1 +#### A masked pattern was here #### + NumFilesPerFileSink: 1 + Static Partition Specification: ds=2/ +#### A masked pattern was here #### + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns k1,k2,k3,k4 + columns.types string:string:string:string +#### A masked pattern was here #### + name default.dst_union22 + numFiles 1 + numPartitions 1 + numRows 500 + partition_columns ds + rawDataSize 11124 + serialization.ddl struct dst_union22 { string k1, string k2, string k3, string k4} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 11624 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dst_union22 + TotalFiles: 1 + GatherStats: true + MultiFileSpray: false + 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,_col2,_col3 + columns.types string,string,string,string + escape.delim \ + + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + properties: + columns _col0,_col1,_col2,_col3 + columns.types string,string,string,string + escape.delim \ +#### A masked pattern was here #### + Partition + base file name: ds=1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + partition values: + ds 1 + properties: + bucket_count -1 + columns k0,k1,k2,k3,k4,k5 + columns.types string:string:string:string:string:string +#### A masked pattern was here #### + name default.dst_union22_delta + numFiles 1 + numRows 500 + partition_columns ds + rawDataSize 16936 + serialization.ddl struct dst_union22_delta { string k0, string k1, string k2, string k3, string k4, string k5} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 17436 +#### 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: + bucket_count -1 + columns k0,k1,k2,k3,k4,k5 + columns.types string:string:string:string:string:string +#### A masked pattern was here #### + name default.dst_union22_delta + numFiles 1 + numPartitions 1 + numRows 500 + partition_columns ds + rawDataSize 16936 + serialization.ddl struct dst_union22_delta { string k0, string k1, string k2, string k3, string k4, string k5} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 17436 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dst_union22_delta + name: default.dst_union22_delta + Truncated Path -> Alias: + /dst_union22_delta/ds=1 [null-subquery1:subq-subquery1:dst_union22_delta] +#### A masked pattern was here #### + + Stage: Stage-0 + Move Operator + tables: + partition: + ds 2 + replace: true +#### A masked pattern was here #### + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns k1,k2,k3,k4 + columns.types string:string:string:string +#### A masked pattern was here #### + name default.dst_union22 + numFiles 1 + numPartitions 1 + numRows 500 + partition_columns ds + rawDataSize 11124 + serialization.ddl struct dst_union22 { string k1, string k2, string k3, string k4} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 11624 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dst_union22 +#### A masked pattern was here #### + + Stage: Stage-3 + Stats-Aggr Operator +#### A masked pattern was here #### + + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + null-subquery2:subq-subquery2:a + TableScan + alias: a + GatherStats: false + Filter Operator + isSamplingPred: false + predicate: + expr: (k1 > 20.0) + type: boolean + Reduce Output Operator + key expressions: + expr: k1 + type: string + sort order: + + Map-reduce partition columns: + expr: k1 + type: string + tag: 0 + value expressions: + expr: k1 + type: string + expr: k2 + type: string + expr: ds + type: string + null-subquery2:subq-subquery2:b:dst_union22_delta + TableScan + alias: dst_union22_delta + GatherStats: false + Filter Operator + isSamplingPred: false + predicate: + expr: ((k0 > 50.0) and (k1 > 20.0)) + type: boolean + Select Operator + expressions: + expr: k1 + type: string + expr: k3 + type: string + expr: k4 + type: string + outputColumnNames: _col1, _col3, _col4 + Reduce Output Operator + key expressions: + expr: _col1 + type: string + sort order: + + Map-reduce partition columns: + expr: _col1 + type: string + tag: 1 + value expressions: + expr: _col3 + type: string + expr: _col4 + type: string + Needs Tagging: true + Path -> Alias: +#### A masked pattern was here #### + Path -> Partition: +#### A masked pattern was here #### + Partition + base file name: ds=1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + partition values: + ds 1 + properties: + bucket_count -1 + columns k1,k2,k3,k4 + columns.types string:string:string:string +#### A masked pattern was here #### + name default.dst_union22 + numFiles 1 + numRows 500 + partition_columns ds + rawDataSize 11124 + serialization.ddl struct dst_union22 { string k1, string k2, string k3, string k4} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 11624 +#### 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: + bucket_count -1 + columns k1,k2,k3,k4 + columns.types string:string:string:string +#### A masked pattern was here #### + name default.dst_union22 + numFiles 1 + numPartitions 1 + numRows 500 + partition_columns ds + rawDataSize 11124 + serialization.ddl struct dst_union22 { string k1, string k2, string k3, string k4} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 11624 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dst_union22 + name: default.dst_union22 +#### A masked pattern was here #### + Partition + base file name: ds=1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + partition values: + ds 1 + properties: + bucket_count -1 + columns k0,k1,k2,k3,k4,k5 + columns.types string:string:string:string:string:string +#### A masked pattern was here #### + name default.dst_union22_delta + numFiles 1 + numRows 500 + partition_columns ds + rawDataSize 16936 + serialization.ddl struct dst_union22_delta { string k0, string k1, string k2, string k3, string k4, string k5} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 17436 +#### 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: + bucket_count -1 + columns k0,k1,k2,k3,k4,k5 + columns.types string:string:string:string:string:string +#### A masked pattern was here #### + name default.dst_union22_delta + numFiles 1 + numPartitions 1 + numRows 500 + partition_columns ds + rawDataSize 16936 + serialization.ddl struct dst_union22_delta { string k0, string k1, string k2, string k3, string k4, string k5} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 17436 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dst_union22_delta + name: default.dst_union22_delta + Reduce Operator Tree: + Join Operator + condition map: + Left Outer Join0 to 1 + condition expressions: + 0 {VALUE._col0} {VALUE._col1} + 1 {VALUE._col3} {VALUE._col4} + filter mappings: + 0 [1, 1] + filter predicates: + 0 {(VALUE._col4 = '1')} + 1 + handleSkewJoin: false + outputColumnNames: _col0, _col1, _col10, _col11 + Select Operator + expressions: + expr: _col0 + type: string + expr: _col1 + type: string + expr: _col10 + type: string + expr: _col11 + type: string + outputColumnNames: _col0, _col1, _col2, _col3 + 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,_col2,_col3 + columns.types string,string,string,string + escape.delim \ + TotalFiles: 1 + GatherStats: false + MultiFileSpray: false + Truncated Path -> Alias: + /dst_union22/ds=1 [null-subquery2:subq-subquery2:a] + /dst_union22_delta/ds=1 [null-subquery2:subq-subquery2:b:dst_union22_delta] + + +PREHOOK: query: insert overwrite table dst_union22 partition (ds='2') +select * from +( +select k1 as k1, k2 as k2, k3 as k3, k4 as k4 from dst_union22_delta where ds = '1' and k0 <= 50 +union all +select /*+ MAPJOIN(b) */ a.k1 as k1, a.k2 as k2, b.k3 as k3, b.k4 as k4 +from dst_union22 a left outer join (select * from dst_union22_delta where ds = '1' and k0 > 50) b on +a.k1 = b.k1 and a.ds='1' +where a.k1 > 20 +) +subq +PREHOOK: type: QUERY +PREHOOK: Input: default@dst_union22 +PREHOOK: Input: default@dst_union22@ds=1 +PREHOOK: Input: default@dst_union22_delta +PREHOOK: Input: default@dst_union22_delta@ds=1 +PREHOOK: Output: default@dst_union22@ds=2 +POSTHOOK: query: insert overwrite table dst_union22 partition (ds='2') +select * from +( +select k1 as k1, k2 as k2, k3 as k3, k4 as k4 from dst_union22_delta where ds = '1' and k0 <= 50 +union all +select /*+ MAPJOIN(b) */ a.k1 as k1, a.k2 as k2, b.k3 as k3, b.k4 as k4 +from dst_union22 a left outer join (select * from dst_union22_delta where ds = '1' and k0 > 50) b on +a.k1 = b.k1 and a.ds='1' +where a.k1 > 20 +) +subq +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dst_union22 +POSTHOOK: Input: default@dst_union22@ds=1 +POSTHOOK: Input: default@dst_union22_delta +POSTHOOK: Input: default@dst_union22_delta@ds=1 +POSTHOOK: Output: default@dst_union22@ds=2 +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k1 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k2 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k3 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k4 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=2).k1 EXPRESSION [(dst_union22_delta)dst_union22_delta.FieldSchema(name:k1, type:string, comment:null), (dst_union22)a.FieldSchema(name:k1, type:string, comment:null), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=2).k2 EXPRESSION [(dst_union22_delta)dst_union22_delta.FieldSchema(name:k2, type:string, comment:null), (dst_union22)a.FieldSchema(name:k2, type:string, comment:null), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=2).k3 EXPRESSION [(dst_union22_delta)dst_union22_delta.FieldSchema(name:k3, type:string, comment:null), (dst_union22_delta)dst_union22_delta.FieldSchema(name:k3, type:string, comment:null), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=2).k4 EXPRESSION [(dst_union22_delta)dst_union22_delta.FieldSchema(name:k4, type:string, comment:null), (dst_union22_delta)dst_union22_delta.FieldSchema(name:k4, type:string, comment:null), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k0 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k1 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k2 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k3 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k4 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22_delta PARTITION(ds=1).k5 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: select * from dst_union22 where ds = '2' order by k1, k2, k3, k4 +PREHOOK: type: QUERY +PREHOOK: Input: default@dst_union22 +PREHOOK: Input: default@dst_union22@ds=2 +#### A masked pattern was here #### +POSTHOOK: query: select * from dst_union22 where ds = '2' order by k1, k2, k3, k4 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dst_union22 +POSTHOOK: Input: default@dst_union22@ds=2 +#### A masked pattern was here #### +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k1 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k2 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k3 SIMPLE [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=1).k4 SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=2).k1 EXPRESSION [(dst_union22_delta)dst_union22_delta.FieldSchema(name:k1, type:string, comment:null), (dst_union22)a.FieldSchema(name:k1, type:string, comment:null), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=2).k2 EXPRESSION [(dst_union22_delta)dst_union22_delta.FieldSchema(name:k2, type:string, comment:null), (dst_union22)a.FieldSchema(name:k2, type:string, comment:null), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=2).k3 EXPRESSION [(dst_union22_delta)dst_union22_delta.FieldSchema(name:k3, type:string, comment:null), (dst_union22_delta)dst_union22_delta.FieldSchema(name:k3, type:string, comment:null), ] +POSTHOOK: Lineage: dst_union22 PARTITION(ds=2).k4 EXPRESSION [(dst_union22_delta)dst_union22_delta.FieldSchema(name:k4, type:string, 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val_281 2 +281 val_281 281 val_281 2 +281 val_281 281 val_281 2 +281 val_281 281 val_281 2 +282 val_282 282 val_282 2 +282 val_282 282 val_282 2 +282 val_282 282 val_282 2 +282 val_282 282 val_282 2 +283 val_283 283 val_283 2 +284 val_284 284 val_284 2 +285 val_285 285 val_285 2 +286 val_286 286 val_286 2 +287 val_287 287 val_287 2 +288 val_288 288 val_288 2 +288 val_288 288 val_288 2 +288 val_288 288 val_288 2 +288 val_288 288 val_288 2 +289 val_289 289 val_289 2 +291 val_291 291 val_291 2 +292 val_292 292 val_292 2 +296 val_296 296 val_296 2 +298 val_298 298 val_298 2 +298 val_298 298 val_298 2 +298 val_298 298 val_298 2 +298 val_298 298 val_298 2 +298 val_298 298 val_298 2 +298 val_298 298 val_298 2 +298 val_298 298 val_298 2 +298 val_298 298 val_298 2 +298 val_298 298 val_298 2 +30 val_30 NULL NULL 2 +30 val_30 30 val_30 2 +302 val_302 302 val_302 2 +305 val_305 305 val_305 2 +306 val_306 306 val_306 2 +307 val_307 307 val_307 2 +307 val_307 307 val_307 2 +307 val_307 307 val_307 2 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val_338 338 val_338 2 +339 val_339 339 val_339 2 +34 val_34 NULL NULL 2 +34 val_34 34 val_34 2 +341 val_341 341 val_341 2 +342 val_342 342 val_342 2 +342 val_342 342 val_342 2 +342 val_342 342 val_342 2 +342 val_342 342 val_342 2 +344 val_344 344 val_344 2 +344 val_344 344 val_344 2 +344 val_344 344 val_344 2 +344 val_344 344 val_344 2 +345 val_345 345 val_345 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 348 val_348 2 +348 val_348 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+375 val_375 375 val_375 2 +377 val_377 377 val_377 2 +378 val_378 378 val_378 2 +379 val_379 379 val_379 2 +382 val_382 382 val_382 2 +382 val_382 382 val_382 2 +382 val_382 382 val_382 2 +382 val_382 382 val_382 2 +384 val_384 384 val_384 2 +384 val_384 384 val_384 2 +384 val_384 384 val_384 2 +384 val_384 384 val_384 2 +384 val_384 384 val_384 2 +384 val_384 384 val_384 2 +384 val_384 384 val_384 2 +384 val_384 384 val_384 2 +384 val_384 384 val_384 2 +386 val_386 386 val_386 2 +389 val_389 389 val_389 2 +392 val_392 392 val_392 2 +393 val_393 393 val_393 2 +394 val_394 394 val_394 2 +395 val_395 395 val_395 2 +395 val_395 395 val_395 2 +395 val_395 395 val_395 2 +395 val_395 395 val_395 2 +396 val_396 396 val_396 2 +396 val_396 396 val_396 2 +396 val_396 396 val_396 2 +396 val_396 396 val_396 2 +396 val_396 396 val_396 2 +396 val_396 396 val_396 2 +396 val_396 396 val_396 2 +396 val_396 396 val_396 2 +396 val_396 396 val_396 2 +397 val_397 397 val_397 2 +397 val_397 397 val_397 2 +397 val_397 397 val_397 2 +397 val_397 397 val_397 2 +399 val_399 399 val_399 2 +399 val_399 399 val_399 2 +399 val_399 399 val_399 2 +399 val_399 399 val_399 2 +4 val_4 4 val_4 2 +400 val_400 400 val_400 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +401 val_401 401 val_401 2 +402 val_402 402 val_402 2 +403 val_403 403 val_403 2 +403 val_403 403 val_403 2 +403 val_403 403 val_403 2 +403 val_403 403 val_403 2 +403 val_403 403 val_403 2 +403 val_403 403 val_403 2 +403 val_403 403 val_403 2 +403 val_403 403 val_403 2 +403 val_403 403 val_403 2 +404 val_404 404 val_404 2 +404 val_404 404 val_404 2 +404 val_404 404 val_404 2 +404 val_404 404 val_404 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +406 val_406 406 val_406 2 +407 val_407 407 val_407 2 +409 val_409 409 val_409 2 +409 val_409 409 val_409 2 +409 val_409 409 val_409 2 +409 val_409 409 val_409 2 +409 val_409 409 val_409 2 +409 val_409 409 val_409 2 +409 val_409 409 val_409 2 +409 val_409 409 val_409 2 +409 val_409 409 val_409 2 +41 val_41 NULL NULL 2 +41 val_41 41 val_41 2 +411 val_411 411 val_411 2 +413 val_413 413 val_413 2 +413 val_413 413 val_413 2 +413 val_413 413 val_413 2 +413 val_413 413 val_413 2 +414 val_414 414 val_414 2 +414 val_414 414 val_414 2 +414 val_414 414 val_414 2 +414 val_414 414 val_414 2 +417 val_417 417 val_417 2 +417 val_417 417 val_417 2 +417 val_417 417 val_417 2 +417 val_417 417 val_417 2 +417 val_417 417 val_417 2 +417 val_417 417 val_417 2 +417 val_417 417 val_417 2 +417 val_417 417 val_417 2 +417 val_417 417 val_417 2 +418 val_418 418 val_418 2 +419 val_419 419 val_419 2 +42 val_42 NULL NULL 2 +42 val_42 NULL NULL 2 +42 val_42 42 val_42 2 +42 val_42 42 val_42 2 +421 val_421 421 val_421 2 +424 val_424 424 val_424 2 +424 val_424 424 val_424 2 +424 val_424 424 val_424 2 +424 val_424 424 val_424 2 +427 val_427 427 val_427 2 +429 val_429 429 val_429 2 +429 val_429 429 val_429 2 +429 val_429 429 val_429 2 +429 val_429 429 val_429 2 +43 val_43 NULL NULL 2 +43 val_43 43 val_43 2 +430 val_430 430 val_430 2 +430 val_430 430 val_430 2 +430 val_430 430 val_430 2 +430 val_430 430 val_430 2 +430 val_430 430 val_430 2 +430 val_430 430 val_430 2 +430 val_430 430 val_430 2 +430 val_430 430 val_430 2 +430 val_430 430 val_430 2 +431 val_431 431 val_431 2 +431 val_431 431 val_431 2 +431 val_431 431 val_431 2 +431 val_431 431 val_431 2 +431 val_431 431 val_431 2 +431 val_431 431 val_431 2 +431 val_431 431 val_431 2 +431 val_431 431 val_431 2 +431 val_431 431 val_431 2 +432 val_432 432 val_432 2 +435 val_435 435 val_435 2 +436 val_436 436 val_436 2 +437 val_437 437 val_437 2 +438 val_438 438 val_438 2 +438 val_438 438 val_438 2 +438 val_438 438 val_438 2 +438 val_438 438 val_438 2 +438 val_438 438 val_438 2 +438 val_438 438 val_438 2 +438 val_438 438 val_438 2 +438 val_438 438 val_438 2 +438 val_438 438 val_438 2 +439 val_439 439 val_439 2 +439 val_439 439 val_439 2 +439 val_439 439 val_439 2 +439 val_439 439 val_439 2 +44 val_44 NULL NULL 2 +44 val_44 44 val_44 2 +443 val_443 443 val_443 2 +444 val_444 444 val_444 2 +446 val_446 446 val_446 2 +448 val_448 448 val_448 2 +449 val_449 449 val_449 2 +452 val_452 452 val_452 2 +453 val_453 453 val_453 2 +454 val_454 454 val_454 2 +454 val_454 454 val_454 2 +454 val_454 454 val_454 2 +454 val_454 454 val_454 2 +454 val_454 454 val_454 2 +454 val_454 454 val_454 2 +454 val_454 454 val_454 2 +454 val_454 454 val_454 2 +454 val_454 454 val_454 2 +455 val_455 455 val_455 2 +457 val_457 457 val_457 2 +458 val_458 458 val_458 2 +458 val_458 458 val_458 2 +458 val_458 458 val_458 2 +458 val_458 458 val_458 2 +459 val_459 459 val_459 2 +459 val_459 459 val_459 2 +459 val_459 459 val_459 2 +459 val_459 459 val_459 2 +460 val_460 460 val_460 2 +462 val_462 462 val_462 2 +462 val_462 462 val_462 2 +462 val_462 462 val_462 2 +462 val_462 462 val_462 2 +463 val_463 463 val_463 2 +463 val_463 463 val_463 2 +463 val_463 463 val_463 2 +463 val_463 463 val_463 2 +466 val_466 466 val_466 2 +466 val_466 466 val_466 2 +466 val_466 466 val_466 2 +466 val_466 466 val_466 2 +466 val_466 466 val_466 2 +466 val_466 466 val_466 2 +466 val_466 466 val_466 2 +466 val_466 466 val_466 2 +466 val_466 466 val_466 2 +467 val_467 467 val_467 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +468 val_468 468 val_468 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +469 val_469 469 val_469 2 +47 val_47 NULL NULL 2 +47 val_47 47 val_47 2 +470 val_470 470 val_470 2 +472 val_472 472 val_472 2 +475 val_475 475 val_475 2 +477 val_477 477 val_477 2 +478 val_478 478 val_478 2 +478 val_478 478 val_478 2 +478 val_478 478 val_478 2 +478 val_478 478 val_478 2 +479 val_479 479 val_479 2 +480 val_480 480 val_480 2 +480 val_480 480 val_480 2 +480 val_480 480 val_480 2 +480 val_480 480 val_480 2 +480 val_480 480 val_480 2 +480 val_480 480 val_480 2 +480 val_480 480 val_480 2 +480 val_480 480 val_480 2 +480 val_480 480 val_480 2 +481 val_481 481 val_481 2 +482 val_482 482 val_482 2 +483 val_483 483 val_483 2 +484 val_484 484 val_484 2 +485 val_485 485 val_485 2 +487 val_487 487 val_487 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +489 val_489 489 val_489 2 +490 val_490 490 val_490 2 +491 val_491 491 val_491 2 +492 val_492 492 val_492 2 +492 val_492 492 val_492 2 +492 val_492 492 val_492 2 +492 val_492 492 val_492 2 +493 val_493 493 val_493 2 +494 val_494 494 val_494 2 +495 val_495 495 val_495 2 +496 val_496 496 val_496 2 +497 val_497 497 val_497 2 +498 val_498 498 val_498 2 +498 val_498 498 val_498 2 +498 val_498 498 val_498 2 +498 val_498 498 val_498 2 +498 val_498 498 val_498 2 +498 val_498 498 val_498 2 +498 val_498 498 val_498 2 +498 val_498 498 val_498 2 +498 val_498 498 val_498 2 +5 val_5 5 val_5 2 +5 val_5 5 val_5 2 +5 val_5 5 val_5 2 +51 val_51 51 val_51 2 +51 val_51 51 val_51 2 +51 val_51 51 val_51 2 +51 val_51 51 val_51 2 +53 val_53 53 val_53 2 +54 val_54 54 val_54 2 +57 val_57 57 val_57 2 +58 val_58 58 val_58 2 +58 val_58 58 val_58 2 +58 val_58 58 val_58 2 +58 val_58 58 val_58 2 +64 val_64 64 val_64 2 +65 val_65 65 val_65 2 +66 val_66 66 val_66 2 +67 val_67 67 val_67 2 +67 val_67 67 val_67 2 +67 val_67 67 val_67 2 +67 val_67 67 val_67 2 +69 val_69 69 val_69 2 +70 val_70 70 val_70 2 +70 val_70 70 val_70 2 +70 val_70 70 val_70 2 +70 val_70 70 val_70 2 +70 val_70 70 val_70 2 +70 val_70 70 val_70 2 +70 val_70 70 val_70 2 +70 val_70 70 val_70 2 +70 val_70 70 val_70 2 +72 val_72 72 val_72 2 +72 val_72 72 val_72 2 +72 val_72 72 val_72 2 +72 val_72 72 val_72 2 +74 val_74 74 val_74 2 +76 val_76 76 val_76 2 +76 val_76 76 val_76 2 +76 val_76 76 val_76 2 +76 val_76 76 val_76 2 +77 val_77 77 val_77 2 +78 val_78 78 val_78 2 +8 val_8 8 val_8 2 +80 val_80 80 val_80 2 +82 val_82 82 val_82 2 +83 val_83 83 val_83 2 +83 val_83 83 val_83 2 +83 val_83 83 val_83 2 +83 val_83 83 val_83 2 +84 val_84 84 val_84 2 +84 val_84 84 val_84 2 +84 val_84 84 val_84 2 +84 val_84 84 val_84 2 +85 val_85 85 val_85 2 +86 val_86 86 val_86 2 +87 val_87 87 val_87 2 +9 val_9 9 val_9 2 +90 val_90 90 val_90 2 +90 val_90 90 val_90 2 +90 val_90 90 val_90 2 +90 val_90 90 val_90 2 +90 val_90 90 val_90 2 +90 val_90 90 val_90 2 +90 val_90 90 val_90 2 +90 val_90 90 val_90 2 +90 val_90 90 val_90 2 +92 val_92 92 val_92 2 +95 val_95 95 val_95 2 +95 val_95 95 val_95 2 +95 val_95 95 val_95 2 +95 val_95 95 val_95 2 +96 val_96 96 val_96 2 +97 val_97 97 val_97 2 +97 val_97 97 val_97 2 +97 val_97 97 val_97 2 +97 val_97 97 val_97 2 +98 val_98 98 val_98 2 +98 val_98 98 val_98 2 +98 val_98 98 val_98 2 +98 val_98 98 val_98 2 Index: ql/src/test/results/clientpositive/join32.q.out =================================================================== --- ql/src/test/results/clientpositive/join32.q.out (revision 1449511) +++ ql/src/test/results/clientpositive/join32.q.out (working copy) @@ -369,3 +369,390 @@ 98 val_98 val_98 98 val_98 val_98 98 val_98 val_98 +PREHOOK: query: -- Mapjoin followed by Mapjoin is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN EXTENDED +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x,z) */ x.key, z.value, y.value +FROM src1 x JOIN src y ON (x.key = y.key) +JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11) +PREHOOK: type: QUERY +POSTHOOK: query: -- Mapjoin followed by Mapjoin is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN EXTENDED +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x,z) */ x.key, z.value, y.value +FROM src1 x JOIN src y ON (x.key = y.key) +JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11) +POSTHOOK: type: QUERY +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)y.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (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_TABREF (TOK_TABNAME srcpart) z) (and (and (= (. (TOK_TABLE_OR_COL x) value) (. (TOK_TABLE_OR_COL z) value)) (= (. (TOK_TABLE_OR_COL z) ds) '2008-04-08')) (= (. (TOK_TABLE_OR_COL z) hr) 11)))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dest_j1))) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST x z))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL x) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL z) value)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL y) value))))) + +STAGE DEPENDENCIES: + Stage-7 is a root stage + Stage-6 depends on stages: Stage-7 + Stage-0 depends on stages: Stage-6 + Stage-2 depends on stages: Stage-0 + +STAGE PLANS: + Stage: Stage-7 + Map Reduce Local Work + Alias -> Map Local Tables: + x + Fetch Operator + limit: -1 + z + Fetch Operator + limit: -1 + Alias -> Map Local Operator Tree: + x + TableScan + alias: x + GatherStats: false + HashTable Sink Operator + condition expressions: + 0 {key} {value} + 1 {value} + handleSkewJoin: false + keys: + 0 [Column[key]] + 1 [Column[key]] + Position of Big Table: 1 + z + TableScan + alias: z + GatherStats: false + HashTable Sink Operator + condition expressions: + 0 {_col5} {_col0} + 1 {value} + handleSkewJoin: false + keys: + 0 [Column[_col1]] + 1 [Column[value]] + Position of Big Table: 0 + + Stage: Stage-6 + Map Reduce + Alias -> Map Operator Tree: + y + TableScan + alias: y + GatherStats: false + Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {key} {value} + 1 {value} + handleSkewJoin: false + keys: + 0 [Column[key]] + 1 [Column[key]] + outputColumnNames: _col0, _col1, _col5 + Position of Big Table: 1 + Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 {_col5} {_col0} + 1 {value} + handleSkewJoin: false + keys: + 0 [Column[_col1]] + 1 [Column[value]] + outputColumnNames: _col1, _col4, _col9 + Position of Big Table: 0 + Select Operator + expressions: + expr: _col4 + type: string + expr: _col9 + type: string + expr: _col1 + type: string + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + GlobalTableId: 1 +#### 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: + bucket_count -1 + columns key,value,val2 + columns.types string:string:string +#### A masked pattern was here #### + name default.dest_j1 + numFiles 1 + numPartitions 0 + numRows 85 + rawDataSize 1600 + serialization.ddl struct dest_j1 { string key, string value, string val2} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 1685 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 + TotalFiles: 1 + GatherStats: true + MultiFileSpray: false + Local Work: + Map Reduce Local Work + Needs Tagging: true + Path -> Alias: +#### A masked pattern was here #### + Path -> Partition: +#### A masked pattern was here #### + Partition + base file name: src + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src { string 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: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src { string 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.src + name: default.src +#### A masked pattern was here #### + Partition + base file name: src1 + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src1 + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src1 { string key, string value} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 216 +#### 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: + bucket_count -1 + columns key,value + columns.types string:string +#### A masked pattern was here #### + name default.src1 + numFiles 1 + numPartitions 0 + numRows 0 + rawDataSize 0 + serialization.ddl struct src1 { string key, string value} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 216 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.src1 + name: default.src1 + Truncated Path -> Alias: + /src [y] + + Stage: Stage-0 + Move Operator + tables: + replace: true +#### A masked pattern was here #### + table: + input format: org.apache.hadoop.mapred.TextInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat + properties: + bucket_count -1 + columns key,value,val2 + columns.types string:string:string +#### A masked pattern was here #### + name default.dest_j1 + numFiles 1 + numPartitions 0 + numRows 85 + rawDataSize 1600 + serialization.ddl struct dest_j1 { string key, string value, string val2} + serialization.format 1 + serialization.lib org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + totalSize 1685 +#### A masked pattern was here #### + serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe + name: default.dest_j1 +#### A masked pattern was here #### + + Stage: Stage-2 + Stats-Aggr Operator +#### A masked pattern was here #### + + +PREHOOK: query: INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x,z) */ x.key, z.value, y.value +FROM src1 x JOIN src y ON (x.key = y.key) +JOIN srcpart z ON (x.value = z.value 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 +PREHOOK: Input: default@srcpart@ds=2008-04-08/hr=11 +PREHOOK: Output: default@dest_j1 +POSTHOOK: query: INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x,z) */ x.key, z.value, y.value +FROM src1 x JOIN src y ON (x.key = y.key) +JOIN srcpart z ON (x.value = z.value 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 +POSTHOOK: Input: default@srcpart@ds=2008-04-08/hr=11 +POSTHOOK: Output: default@dest_j1 +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)y.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)y.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: select * from dest_j1 x order by x.key +PREHOOK: type: QUERY +PREHOOK: Input: default@dest_j1 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest_j1 x order by x.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest_j1 +#### A masked pattern was here #### +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.key SIMPLE [(src1)x.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)y.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.val2 EXPRESSION [(src)y.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: dest_j1.value SIMPLE [(srcpart)z.FieldSchema(name:value, type:string, comment:default), ] +146 val_146 val_146 +146 val_146 val_146 +146 val_146 val_146 +146 val_146 val_146 +150 val_150 val_150 +213 val_213 val_213 +213 val_213 val_213 +213 val_213 val_213 +213 val_213 val_213 +238 val_238 val_238 +238 val_238 val_238 +238 val_238 val_238 +238 val_238 val_238 +255 val_255 val_255 +255 val_255 val_255 +255 val_255 val_255 +255 val_255 val_255 +273 val_273 val_273 +273 val_273 val_273 +273 val_273 val_273 +273 val_273 val_273 +273 val_273 val_273 +273 val_273 val_273 +273 val_273 val_273 +273 val_273 val_273 +273 val_273 val_273 +278 val_278 val_278 +278 val_278 val_278 +278 val_278 val_278 +278 val_278 val_278 +311 val_311 val_311 +311 val_311 val_311 +311 val_311 val_311 +311 val_311 val_311 +311 val_311 val_311 +311 val_311 val_311 +311 val_311 val_311 +311 val_311 val_311 +311 val_311 val_311 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +401 val_401 val_401 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +406 val_406 val_406 +66 val_66 val_66 +98 val_98 val_98 +98 val_98 val_98 +98 val_98 val_98 +98 val_98 val_98 Index: ql/src/test/results/clientpositive/smb_mapjoin_14_2.q.out =================================================================== --- ql/src/test/results/clientpositive/smb_mapjoin_14_2.q.out (revision 0) +++ ql/src/test/results/clientpositive/smb_mapjoin_14_2.q.out (working copy) @@ -0,0 +1,1629 @@ +PREHOOK: query: CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS +PREHOOK: type: CREATETABLE +POSTHOOK: query: CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: default@tbl1 +PREHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS +PREHOOK: type: CREATETABLE +POSTHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: default@tbl2 +PREHOOK: query: insert overwrite table tbl1 +select * from src where key < 10 +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Output: default@tbl1 +POSTHOOK: query: insert overwrite table tbl1 +select * from src where key < 10 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Output: default@tbl1 +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: insert overwrite table tbl2 +select * from src where key < 10 +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Output: default@tbl2 +POSTHOOK: query: insert overwrite table tbl2 +select * from src where key < 10 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Output: default@tbl2 +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: -- The mapjoin is being performed as part of sub-query. It should be converted to a sort-merge join +explain +select count(*) from ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +PREHOOK: type: QUERY +POSTHOOK: query: -- The mapjoin is being performed as part of sub-query. It should be converted to a sort-merge join +explain +select count(*) from ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME tbl1) a) (TOK_TABREF (TOK_TABNAME tbl2) 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) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) val1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) value) val2)))) subq1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + subq1:b + TableScan + alias: b + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[key]] + 1 [Column[key]] + Position of Big Table: 1 + Select Operator + 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 + 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 + 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 count(*) from ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select count(*) from ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +22 +PREHOOK: query: -- The mapjoin is being performed as part of sub-query. It should be converted to a sort-merge join +-- Add a order by at the end to make the results deterministic. +explain +select key, count(*) from +( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +group by key +order by key +PREHOOK: type: QUERY +POSTHOOK: query: -- The mapjoin is being performed as part of sub-query. It should be converted to a sort-merge join +-- Add a order by at the end to make the results deterministic. +explain +select key, count(*) from +( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +group by key +order by key +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME tbl1) a) (TOK_TABREF (TOK_TABNAME tbl2) 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) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) val1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) value) val2)))) subq1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_TABLE_OR_COL key)) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))) (TOK_GROUPBY (TOK_TABLE_OR_COL key)) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL key))))) + +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: + subq1:b + TableScan + alias: b + Sorted Merge Bucket 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: int + outputColumnNames: _col0 + Select Operator + expressions: + expr: _col0 + type: int + outputColumnNames: _col0 + Select Operator + expressions: + expr: _col0 + type: int + outputColumnNames: _col0 + Group By Operator + aggregations: + expr: count() + bucketGroup: false + keys: + expr: _col0 + type: int + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: + expr: _col0 + type: int + sort order: + + Map-reduce partition columns: + expr: _col0 + type: int + tag: -1 + value expressions: + expr: _col1 + type: bigint + Reduce Operator Tree: + Group By Operator + aggregations: + expr: count(VALUE._col0) + bucketGroup: false + keys: + expr: KEY._col0 + type: int + mode: mergepartial + outputColumnNames: _col0, _col1 + Select Operator + expressions: + expr: _col0 + type: int + expr: _col1 + type: bigint + outputColumnNames: _col0, _col1 + File Output Operator + compressed: false + GlobalTableId: 0 + table: + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + + Stage: Stage-2 + Map Reduce + Alias -> Map Operator Tree: +#### A masked pattern was here #### + Reduce Output Operator + key expressions: + expr: _col0 + type: int + sort order: + + tag: -1 + value expressions: + expr: _col0 + type: int + expr: _col1 + type: bigint + 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 key, count(*) from +( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +group by key +order by key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select key, count(*) from +( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +group by key +order by key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +0 9 +2 1 +4 1 +5 9 +8 1 +9 1 +PREHOOK: query: -- The mapjoin is being performed as part of more than one sub-query. It should be converted to a sort-merge join +explain +select count(*) from +( + select key, count(*) from + ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key + ) subq1 + group by key +) subq2 +PREHOOK: type: QUERY +POSTHOOK: query: -- The mapjoin is being performed as part of more than one sub-query. It should be converted to a sort-merge join +explain +select count(*) from +( + select key, count(*) from + ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key + ) subq1 + group by key +) subq2 +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME tbl1) a) (TOK_TABREF (TOK_TABNAME tbl2) 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) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) val1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) value) val2)))) subq1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_TABLE_OR_COL key)) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))) (TOK_GROUPBY (TOK_TABLE_OR_COL key)))) subq2)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +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: + subq2:subq1:b + TableScan + alias: b + Sorted Merge Bucket 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: int + outputColumnNames: _col0 + Select Operator + expressions: + expr: _col0 + type: int + outputColumnNames: _col0 + Select Operator + expressions: + expr: _col0 + type: int + outputColumnNames: _col0 + Group By Operator + aggregations: + expr: count() + bucketGroup: false + keys: + expr: _col0 + type: int + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: + expr: _col0 + type: int + sort order: + + Map-reduce partition columns: + expr: _col0 + type: int + tag: -1 + value expressions: + expr: _col1 + type: bigint + Reduce Operator Tree: + Group By Operator + aggregations: + expr: count(VALUE._col0) + bucketGroup: false + keys: + expr: KEY._col0 + type: int + mode: mergepartial + outputColumnNames: _col0, _col1 + Select Operator + Select Operator + Group By Operator + aggregations: + expr: count() + bucketGroup: false + mode: hash + outputColumnNames: _col0 + File Output Operator + compressed: false + GlobalTableId: 0 + table: + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + + Stage: Stage-2 + Map Reduce + Alias -> Map Operator Tree: +#### A masked pattern was here #### + Reduce Output Operator + sort order: + tag: -1 + value expressions: + expr: _col0 + type: bigint + 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 + 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 count(*) from +( + select key, count(*) from + ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key + ) subq1 + group by key +) subq2 +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select count(*) from +( + select key, count(*) from + ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key + ) subq1 + group by key +) subq2 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +6 +PREHOOK: query: -- The subquery itself is being map-joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key +PREHOOK: type: QUERY +POSTHOOK: query: -- The subquery itself is being map-joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq1) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl2) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq2) (= (. (TOK_TABLE_OR_COL subq1) key) (. (TOK_TABLE_OR_COL subq2) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST subq1))) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + subq2:a + TableScan + alias: a + Filter Operator + predicate: + expr: (key < 6) + type: boolean + Select Operator + expressions: + expr: key + type: int + outputColumnNames: _col0 + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + Position of Big Table: 1 + 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 + 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 + 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(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +20 +PREHOOK: query: -- The subquery itself is being map-joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join, although there is more than one level of sub-query +explain +select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join tbl2 b + on subq2.key = b.key +PREHOOK: type: QUERY +POSTHOOK: query: -- The subquery itself is being map-joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join, although there is more than one level of sub-query +explain +select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join tbl2 b + on subq2.key = b.key +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 8)))) subq1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq2) (TOK_TABREF (TOK_TABNAME tbl2) b) (= (. (TOK_TABLE_OR_COL subq2) 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 subq2))) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + b + TableScan + alias: b + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + Position of Big Table: 1 + 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 + 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 + 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(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join tbl2 b + on subq2.key = b.key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join tbl2 b + on subq2.key = b.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +20 +PREHOOK: query: -- Both the big table and the small table are nested sub-queries i.e more then 1 level of sub-query. +-- The join should be converted to a sort-merge join +explain +select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq3 + where key < 6 + ) subq4 + on subq2.key = subq4.key +PREHOOK: type: QUERY +POSTHOOK: query: -- Both the big table and the small table are nested sub-queries i.e more then 1 level of sub-query. +-- The join should be converted to a sort-merge join +explain +select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq3 + where key < 6 + ) subq4 + on subq2.key = subq4.key +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 8)))) subq1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq2) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 8)))) subq3)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq4) (= (. (TOK_TABLE_OR_COL subq2) key) (. (TOK_TABLE_OR_COL subq4) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST subq2))) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + subq4:subq3:a + TableScan + alias: a + Filter Operator + predicate: + expr: ((key < 8) and (key < 6)) + type: boolean + Select Operator + expressions: + expr: key + type: int + outputColumnNames: _col0 + Select Operator + expressions: + expr: _col0 + type: int + outputColumnNames: _col0 + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + Position of Big Table: 1 + 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 + 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 + 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(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq3 + where key < 6 + ) subq4 + on subq2.key = subq4.key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +#### A masked pattern was here #### +POSTHOOK: query: select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq3 + where key < 6 + ) subq4 + on subq2.key = subq4.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +20 +PREHOOK: query: -- The subquery itself is being map-joined. Since the sub-query only contains selects and filters and the join key +-- is not getting modified, it should be converted to a sort-merge join. Note that the sub-query modifies one +-- item, but that is not part of the join key. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, concat(a.value, a.value) as value from tbl1 a where key < 8) subq1 + join + (select a.key as key, concat(a.value, a.value) as value from tbl2 a where key < 8) subq2 + on subq1.key = subq2.key +PREHOOK: type: QUERY +POSTHOOK: query: -- The subquery itself is being map-joined. Since the sub-query only contains selects and filters and the join key +-- is not getting modified, it should be converted to a sort-merge join. Note that the sub-query modifies one +-- item, but that is not part of the join key. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, concat(a.value, a.value) as value from tbl1 a where key < 8) subq1 + join + (select a.key as key, concat(a.value, a.value) as value from tbl2 a where key < 8) subq2 + on subq1.key = subq2.key +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (TOK_FUNCTION concat (. (TOK_TABLE_OR_COL a) value) (. (TOK_TABLE_OR_COL a) value)) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 8)))) subq1) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl2) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (TOK_FUNCTION concat (. (TOK_TABLE_OR_COL a) value) (. (TOK_TABLE_OR_COL a) value)) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 8)))) subq2) (= (. (TOK_TABLE_OR_COL subq1) key) (. (TOK_TABLE_OR_COL subq2) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST subq1))) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + subq2:a + TableScan + alias: a + Filter Operator + predicate: + expr: (key < 8) + type: boolean + Select Operator + expressions: + expr: key + type: int + outputColumnNames: _col0 + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + Position of Big Table: 1 + 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 + 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 + 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(subq1)*/ count(*) from + (select a.key as key, concat(a.value, a.value) as value from tbl1 a where key < 8) subq1 + join + (select a.key as key, concat(a.value, a.value) as value from tbl2 a where key < 8) subq2 + on subq1.key = subq2.key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, concat(a.value, a.value) as value from tbl1 a where key < 8) subq1 + join + (select a.key as key, concat(a.value, a.value) as value from tbl2 a where key < 8) subq2 + on subq1.key = subq2.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +20 +PREHOOK: query: -- Since the join key is modified by the sub-query, neither sort-merge join not bucketized map-side +-- join should be performed +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key +1 as key, concat(a.value, a.value) as value from tbl1 a) subq1 + join + (select a.key +1 as key, concat(a.value, a.value) as value from tbl2 a) subq2 + on subq1.key = subq2.key +PREHOOK: type: QUERY +POSTHOOK: query: -- Since the join key is modified by the sub-query, neither sort-merge join not bucketized map-side +-- join should be performed +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key +1 as key, concat(a.value, a.value) as value from tbl1 a) subq1 + join + (select a.key +1 as key, concat(a.value, a.value) as value from tbl2 a) subq2 + on subq1.key = subq2.key +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (+ (. (TOK_TABLE_OR_COL a) key) 1) key) (TOK_SELEXPR (TOK_FUNCTION concat (. (TOK_TABLE_OR_COL a) value) (. (TOK_TABLE_OR_COL a) value)) value)))) subq1) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl2) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (+ (. (TOK_TABLE_OR_COL a) key) 1) key) (TOK_SELEXPR (TOK_FUNCTION concat (. (TOK_TABLE_OR_COL a) value) (. (TOK_TABLE_OR_COL a) value)) value)))) subq2) (= (. (TOK_TABLE_OR_COL subq1) key) (. (TOK_TABLE_OR_COL subq2) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST subq1))) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +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: + subq1:a + Fetch Operator + limit: -1 + Alias -> Map Local Operator Tree: + subq1:a + TableScan + alias: a + Select Operator + expressions: + expr: (key + 1) + type: int + outputColumnNames: _col0 + HashTable Sink Operator + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + Position of Big Table: 1 + + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + subq2:a + TableScan + alias: a + Select Operator + expressions: + expr: (key + 1) + type: int + outputColumnNames: _col0 + Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + Position of Big Table: 1 + 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 + Local Work: + Map Reduce Local Work + 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 + 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(subq1)*/ count(*) from + (select a.key +1 as key, concat(a.value, a.value) as value from tbl1 a) subq1 + join + (select a.key +1 as key, concat(a.value, a.value) as value from tbl2 a) subq2 + on subq1.key = subq2.key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select /*+mapjoin(subq1)*/ count(*) from + (select a.key +1 as key, concat(a.value, a.value) as value from tbl1 a) subq1 + join + (select a.key +1 as key, concat(a.value, a.value) as value from tbl2 a) subq2 + on subq1.key = subq2.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +22 +PREHOOK: query: -- The small table is a sub-query and the big table is not. +-- It should be converted to a sort-merge join. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key +PREHOOK: type: QUERY +POSTHOOK: query: -- The small table is a sub-query and the big table is not. +-- It should be converted to a sort-merge join. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq1) (TOK_TABREF (TOK_TABNAME tbl2) a) (= (. (TOK_TABLE_OR_COL subq1) key) (. (TOK_TABLE_OR_COL a) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST subq1))) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + a + TableScan + alias: a + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + Position of Big Table: 1 + 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 + 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 + 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(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +20 +PREHOOK: query: -- The big table is a sub-query and the small table is not. +-- It should be converted to a sort-merge join. +explain +select /*+mapjoin(a)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key +PREHOOK: type: QUERY +POSTHOOK: query: -- The big table is a sub-query and the small table is not. +-- It should be converted to a sort-merge join. +explain +select /*+mapjoin(a)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq1) (TOK_TABREF (TOK_TABNAME tbl2) a) (= (. (TOK_TABLE_OR_COL subq1) key) (. (TOK_TABLE_OR_COL a) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST a))) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + subq1:a + TableScan + alias: a + Filter Operator + predicate: + expr: (key < 6) + type: boolean + Select Operator + expressions: + expr: key + type: int + outputColumnNames: _col0 + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + Position of Big Table: 0 + 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 + 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 + 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(a)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select /*+mapjoin(a)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +20 +PREHOOK: query: -- There are more than 2 inputs to the join, all of them being sub-queries. +-- It should be converted to to a sort-merge join +explain +select /*+mapjoin(subq1, subq2)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on (subq1.key = subq2.key) + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq3 + on (subq1.key = subq3.key) +PREHOOK: type: QUERY +POSTHOOK: query: -- There are more than 2 inputs to the join, all of them being sub-queries. +-- It should be converted to to a sort-merge join +explain +select /*+mapjoin(subq1, subq2)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on (subq1.key = subq2.key) + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq3 + on (subq1.key = subq3.key) +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq1) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl2) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq2) (= (. (TOK_TABLE_OR_COL subq1) key) (. (TOK_TABLE_OR_COL subq2) key))) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl2) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq3) (= (. (TOK_TABLE_OR_COL subq1) key) (. (TOK_TABLE_OR_COL subq3) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_MAPJOIN (TOK_HINTARGLIST subq1 subq2))) (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + subq3:a + TableScan + alias: a + Filter Operator + predicate: + expr: (key < 6) + type: boolean + Select Operator + expressions: + expr: key + type: int + outputColumnNames: _col0 + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + Inner Join 0 to 2 + condition expressions: + 0 + 1 + 2 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[_col0]] + 2 [Column[_col0]] + Position of Big Table: 2 + 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 + 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 + 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(subq1, subq2)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq3 + on (subq1.key = subq3.key) +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select /*+mapjoin(subq1, subq2)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq3 + on (subq1.key = subq3.key) +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +56 +PREHOOK: query: -- The mapjoin is being performed on a nested sub-query, and an aggregation is performed after that. +-- The join should be converted to a sort-merge join +explain +select count(*) from ( + select /*+mapjoin(subq2)*/ subq2.key as key, subq2.value as value1, b.value as value2 from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 +join tbl2 b +on subq2.key = b.key) a +PREHOOK: type: QUERY +POSTHOOK: query: -- The mapjoin is being performed on a nested sub-query, and an aggregation is performed after that. +-- The join should be converted to a sort-merge join +explain +select count(*) from ( + select /*+mapjoin(subq2)*/ subq2.key as key, subq2.value as value1, b.value as value2 from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 +join tbl2 b +on subq2.key = b.key) a +POSTHOOK: type: QUERY +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +ABSTRACT SYNTAX TREE: + (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME tbl1) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) value) value)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 8)))) subq1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_WHERE (< (TOK_TABLE_OR_COL key) 6)))) subq2) (TOK_TABREF (TOK_TABNAME tbl2) b) (= (. (TOK_TABLE_OR_COL subq2) 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 subq2))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL subq2) key) key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL subq2) value) value1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) value) value2)))) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTIONSTAR count))))) + +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 is a root stage + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Alias -> Map Operator Tree: + a:b + TableScan + alias: b + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + condition expressions: + 0 + 1 + handleSkewJoin: false + keys: + 0 [Column[_col0]] + 1 [Column[key]] + Position of Big Table: 1 + Select Operator + 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 + 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 + 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 count(*) from ( + select /*+mapjoin(subq2)*/ subq2.key as key, subq2.value as value1, b.value as value2 from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 +join tbl2 b +on subq2.key = b.key) a +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select count(*) from ( + select /*+mapjoin(subq2)*/ subq2.key as key, subq2.value as value1, b.value as value2 from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 +join tbl2 b +on subq2.key = b.key) a +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +20 Index: ql/src/test/results/clientnegative/smb_mapjoin_14_2.q.out =================================================================== --- ql/src/test/results/clientnegative/smb_mapjoin_14_2.q.out (revision 0) +++ ql/src/test/results/clientnegative/smb_mapjoin_14_2.q.out (working copy) @@ -0,0 +1,37 @@ +PREHOOK: query: CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS +PREHOOK: type: CREATETABLE +POSTHOOK: query: CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: default@tbl1 +PREHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS +PREHOOK: type: CREATETABLE +POSTHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: default@tbl2 +PREHOOK: query: insert overwrite table tbl1 +select * from src where key < 10 +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Output: default@tbl1 +POSTHOOK: query: insert overwrite table tbl1 +select * from src where key < 10 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Output: default@tbl1 +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +PREHOOK: query: insert overwrite table tbl2 +select * from src where key < 10 +PREHOOK: type: QUERY +PREHOOK: Input: default@src +PREHOOK: Output: default@tbl2 +POSTHOOK: query: insert overwrite table tbl2 +select * from src where key < 10 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@src +POSTHOOK: Output: default@tbl2 +POSTHOOK: Lineage: tbl1.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl1.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default), ] +POSTHOOK: Lineage: tbl2.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default), ] +FAILED: SemanticException [Error 10227]: Not all clauses are supported with mapjoin hint. Please remove mapjoin hint. Index: ql/src/test/queries/clientpositive/union22_2.q =================================================================== --- ql/src/test/queries/clientpositive/union22_2.q (revision 0) +++ ql/src/test/queries/clientpositive/union22_2.q (working copy) @@ -0,0 +1,45 @@ +create table dst_union22(k1 string, k2 string, k3 string, k4 string) partitioned by (ds string); +create table dst_union22_delta(k0 string, k1 string, k2 string, k3 string, k4 string, k5 string) partitioned by (ds string); + +insert overwrite table dst_union22 partition (ds='1') +select key, value, key , value from src; + +insert overwrite table dst_union22_delta partition (ds='1') +select key, key, value, key, value, value from src; + +set hive.merge.mapfiles=false; + +set hive.auto.convert.join=true; +set hive.auto.convert.join.noconditionaltask=true; +set hive.auto.convert.join.noconditionaltask.size=10000; +set hive.ignore.mapjoin.hint = true; + +-- Union followed by Mapjoin is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +explain extended +insert overwrite table dst_union22 partition (ds='2') +select * from +( +select k1 as k1, k2 as k2, k3 as k3, k4 as k4 from dst_union22_delta where ds = '1' and k0 <= 50 +union all +select /*+ MAPJOIN(b) */ a.k1 as k1, a.k2 as k2, b.k3 as k3, b.k4 as k4 +from dst_union22 a left outer join (select * from dst_union22_delta where ds = '1' and k0 > 50) b on +a.k1 = b.k1 and a.ds='1' +where a.k1 > 20 +) +subq; + +insert overwrite table dst_union22 partition (ds='2') +select * from +( +select k1 as k1, k2 as k2, k3 as k3, k4 as k4 from dst_union22_delta where ds = '1' and k0 <= 50 +union all +select /*+ MAPJOIN(b) */ a.k1 as k1, a.k2 as k2, b.k3 as k3, b.k4 as k4 +from dst_union22 a left outer join (select * from dst_union22_delta where ds = '1' and k0 > 50) b on +a.k1 = b.k1 and a.ds='1' +where a.k1 > 20 +) +subq; + +select * from dst_union22 where ds = '2' order by k1, k2, k3, k4; Index: ql/src/test/queries/clientpositive/join32.q =================================================================== --- ql/src/test/queries/clientpositive/join32.q (revision 1449511) +++ ql/src/test/queries/clientpositive/join32.q (working copy) @@ -19,5 +19,20 @@ select * from dest_j1 x order by x.key; +set hive.ignore.mapjoin.hint = true; +-- Mapjoin followed by Mapjoin is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN EXTENDED +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x,z) */ x.key, z.value, y.value +FROM src1 x JOIN src y ON (x.key = y.key) +JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11); +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x,z) */ x.key, z.value, y.value +FROM src1 x JOIN src y ON (x.key = y.key) +JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11); + +select * from dest_j1 x order by x.key; Index: ql/src/test/queries/clientpositive/join29.q =================================================================== --- ql/src/test/queries/clientpositive/join29.q (revision 1449511) +++ ql/src/test/queries/clientpositive/join29.q (working copy) @@ -18,3 +18,21 @@ (select y.key, count(1) as cnt from src y group by y.key) subq2 ON (subq1.key = subq2.key); select * from dest_j1 x order by x.key; + +set hive.ignore.mapjoin.hint = true; + +-- Mapjoin followed by group by is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(subq1) */ subq1.key, subq1.cnt, subq2.cnt +FROM (select x.key, count(1) as cnt from src1 x group by x.key) subq1 JOIN + (select y.key, count(1) as cnt from src y group by y.key) subq2 ON (subq1.key = subq2.key); + +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(subq1) */ subq1.key, subq1.cnt, subq2.cnt +FROM (select x.key, count(1) as cnt from src1 x group by x.key) subq1 JOIN + (select y.key, count(1) as cnt from src y group by y.key) subq2 ON (subq1.key = subq2.key); + +select * from dest_j1 x order by x.key; Index: ql/src/test/queries/clientpositive/smb_mapjoin_14_2.q =================================================================== --- ql/src/test/queries/clientpositive/smb_mapjoin_14_2.q (revision 0) +++ ql/src/test/queries/clientpositive/smb_mapjoin_14_2.q (working copy) @@ -0,0 +1,244 @@ +set hive.enforce.bucketing = true; +set hive.enforce.sorting = true; +set hive.exec.reducers.max = 1; +set hive.ignore.mapjoin.hint = true; + +CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS; +CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS; + +insert overwrite table tbl1 +select * from src where key < 10; + +insert overwrite table tbl2 +select * from src where key < 10; + +set hive.optimize.bucketmapjoin = true; +set hive.optimize.bucketmapjoin.sortedmerge = true; +set hive.input.format = org.apache.hadoop.hive.ql.io.BucketizedHiveInputFormat; + +-- The mapjoin is being performed as part of sub-query. It should be converted to a sort-merge join +explain +select count(*) from ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1; + +select count(*) from ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1; + +-- The mapjoin is being performed as part of sub-query. It should be converted to a sort-merge join +-- Add a order by at the end to make the results deterministic. +explain +select key, count(*) from +( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +group by key +order by key; + +select key, count(*) from +( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +group by key +order by key; + +-- The mapjoin is being performed as part of more than one sub-query. It should be converted to a sort-merge join +explain +select count(*) from +( + select key, count(*) from + ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key + ) subq1 + group by key +) subq2; + +select count(*) from +( + select key, count(*) from + ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key + ) subq1 + group by key +) subq2; + +-- The subquery itself is being map-joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key; + +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key; + +-- The subquery itself is being map-joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join, although there is more than one level of sub-query +explain +select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join tbl2 b + on subq2.key = b.key; + +select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join tbl2 b + on subq2.key = b.key; + +-- Both the big table and the small table are nested sub-queries i.e more then 1 level of sub-query. +-- The join should be converted to a sort-merge join +explain +select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq3 + where key < 6 + ) subq4 + on subq2.key = subq4.key; + +select /*+mapjoin(subq2)*/ count(*) from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 + join + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq3 + where key < 6 + ) subq4 + on subq2.key = subq4.key; + +-- The subquery itself is being map-joined. Since the sub-query only contains selects and filters and the join key +-- is not getting modified, it should be converted to a sort-merge join. Note that the sub-query modifies one +-- item, but that is not part of the join key. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, concat(a.value, a.value) as value from tbl1 a where key < 8) subq1 + join + (select a.key as key, concat(a.value, a.value) as value from tbl2 a where key < 8) subq2 + on subq1.key = subq2.key; + +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, concat(a.value, a.value) as value from tbl1 a where key < 8) subq1 + join + (select a.key as key, concat(a.value, a.value) as value from tbl2 a where key < 8) subq2 + on subq1.key = subq2.key; + +-- Since the join key is modified by the sub-query, neither sort-merge join not bucketized map-side +-- join should be performed +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key +1 as key, concat(a.value, a.value) as value from tbl1 a) subq1 + join + (select a.key +1 as key, concat(a.value, a.value) as value from tbl2 a) subq2 + on subq1.key = subq2.key; + +select /*+mapjoin(subq1)*/ count(*) from + (select a.key +1 as key, concat(a.value, a.value) as value from tbl1 a) subq1 + join + (select a.key +1 as key, concat(a.value, a.value) as value from tbl2 a) subq2 + on subq1.key = subq2.key; + +-- The small table is a sub-query and the big table is not. +-- It should be converted to a sort-merge join. +explain +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key; + +select /*+mapjoin(subq1)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key; + +-- The big table is a sub-query and the small table is not. +-- It should be converted to a sort-merge join. +explain +select /*+mapjoin(a)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key; + +select /*+mapjoin(a)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join tbl2 a on subq1.key = a.key; + +-- There are more than 2 inputs to the join, all of them being sub-queries. +-- It should be converted to to a sort-merge join +explain +select /*+mapjoin(subq1, subq2)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on (subq1.key = subq2.key) + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq3 + on (subq1.key = subq3.key); + +select /*+mapjoin(subq1, subq2)*/ count(*) from + (select a.key as key, a.value as value from tbl1 a where key < 6) subq1 + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq2 + on subq1.key = subq2.key + join + (select a.key as key, a.value as value from tbl2 a where key < 6) subq3 + on (subq1.key = subq3.key); + +-- The mapjoin is being performed on a nested sub-query, and an aggregation is performed after that. +-- The join should be converted to a sort-merge join +explain +select count(*) from ( + select /*+mapjoin(subq2)*/ subq2.key as key, subq2.value as value1, b.value as value2 from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 +join tbl2 b +on subq2.key = b.key) a; + +select count(*) from ( + select /*+mapjoin(subq2)*/ subq2.key as key, subq2.value as value1, b.value as value2 from + ( + select * from + ( + select a.key as key, a.value as value from tbl1 a where key < 8 + ) subq1 + where key < 6 + ) subq2 +join tbl2 b +on subq2.key = b.key) a; Index: ql/src/test/queries/clientpositive/join35.q =================================================================== --- ql/src/test/queries/clientpositive/join35.q (revision 1449511) +++ ql/src/test/queries/clientpositive/join35.q (working copy) @@ -27,5 +27,28 @@ select * from dest_j1 x order by x.key; +set hive.ignore.mapjoin.hint = true; +-- Mapjoin followed by union is not supported. +-- The same query would work without the hint +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN EXTENDED +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x) */ x.key, x.value, subq1.cnt +FROM +( SELECT x.key as key, count(1) as cnt from src x where x.key < 20 group by x.key + UNION ALL + SELECT x1.key as key, count(1) as cnt from src x1 where x1.key > 100 group by x1.key +) subq1 +JOIN src1 x ON (x.key = subq1.key); +INSERT OVERWRITE TABLE dest_j1 +SELECT /*+ MAPJOIN(x) */ x.key, x.value, subq1.cnt +FROM +( SELECT x.key as key, count(1) as cnt from src x where x.key < 20 group by x.key + UNION ALL + SELECT x1.key as key, count(1) as cnt from src x1 where x1.key > 100 group by x1.key +) subq1 +JOIN src1 x ON (x.key = subq1.key); + +select * from dest_j1 x order by x.key; Index: ql/src/test/queries/clientpositive/join28.q =================================================================== --- ql/src/test/queries/clientpositive/join28.q (revision 1449511) +++ ql/src/test/queries/clientpositive/join28.q (working copy) @@ -23,5 +23,24 @@ select * from dest_j1 x order by x.key; +set hive.ignore.mapjoin.hint = true; +-- Mapjoin followed by mapjoin is not supported. +-- The same query would work fine without the hint. +-- However, since the tables are not bucketed, it should work with hive.ignore.mapjoin.hint +EXPLAIN +INSERT OVERWRITE TABLE dest_j1 +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); +INSERT OVERWRITE TABLE dest_j1 +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); + +select * from dest_j1 x order by x.key; Index: ql/src/test/queries/clientnegative/smb_mapjoin_14_2.q =================================================================== --- ql/src/test/queries/clientnegative/smb_mapjoin_14_2.q (revision 0) +++ ql/src/test/queries/clientnegative/smb_mapjoin_14_2.q (working copy) @@ -0,0 +1,40 @@ +set hive.enforce.bucketing = true; +set hive.enforce.sorting = true; +set hive.exec.reducers.max = 1; +set hive.ignore.mapjoin.hint = true; + +CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS; +CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS; + +insert overwrite table tbl1 +select * from src where key < 10; + +insert overwrite table tbl2 +select * from src where key < 10; + +set hive.optimize.bucketmapjoin = true; +set hive.optimize.bucketmapjoin.sortedmerge = true; +set hive.input.format = org.apache.hadoop.hive.ql.io.BucketizedHiveInputFormat; + +-- A join is being performed across different sub-queries, where a mapjoin is being performed in each of them. +-- Each sub-query should be converted to a sort-merge join. +-- A join followed by mapjoin is not allowed, so this query should fail. +-- Once HIVE-3403 is in, this should be automatically converted to a sort-merge join without the hint +-- Since the tables are bucketed, it should fail with hive.ignore.mapjoin.hint also +explain +select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key + ) subq1 group by key +) src1 +join +( + select key, count(*) as cnt1 from + ( + select /*+mapjoin(a)*/ a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key + ) subq2 group by key +) src2 +on src1.key = src2.key +order by src1.key, src1.cnt1, src2.cnt1; Index: ql/src/java/org/apache/hadoop/hive/ql/QueryProperties.java =================================================================== --- ql/src/java/org/apache/hadoop/hive/ql/QueryProperties.java (revision 1449511) +++ ql/src/java/org/apache/hadoop/hive/ql/QueryProperties.java (working copy) @@ -43,6 +43,7 @@ boolean hasDistributeBy = false; boolean hasClusterBy = false; + boolean mapJoinRemoved = false; public boolean hasJoin() { return hasJoin; @@ -107,4 +108,12 @@ public void setHasClusterBy(boolean hasClusterBy) { this.hasClusterBy = hasClusterBy; } + + public boolean isMapJoinRemoved() { + return mapJoinRemoved; + } + + public void setMapJoinRemoved(boolean mapJoinRemoved) { + this.mapJoinRemoved = mapJoinRemoved; + } } Index: ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java =================================================================== --- ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java (revision 1449511) +++ ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java (working copy) @@ -60,6 +60,7 @@ import org.apache.hadoop.hive.ql.exec.ExecDriver; import org.apache.hadoop.hive.ql.exec.FetchTask; import org.apache.hadoop.hive.ql.exec.FileSinkOperator; +import org.apache.hadoop.hive.ql.exec.FilterOperator; import org.apache.hadoop.hive.ql.exec.FunctionInfo; import org.apache.hadoop.hive.ql.exec.FunctionRegistry; import org.apache.hadoop.hive.ql.exec.GroupByOperator; @@ -73,6 +74,7 @@ import org.apache.hadoop.hive.ql.exec.ReduceSinkOperator; import org.apache.hadoop.hive.ql.exec.RowSchema; import org.apache.hadoop.hive.ql.exec.SMBMapJoinOperator; +import org.apache.hadoop.hive.ql.exec.SelectOperator; import org.apache.hadoop.hive.ql.exec.StatsTask; import org.apache.hadoop.hive.ql.exec.TableScanOperator; import org.apache.hadoop.hive.ql.exec.Task; @@ -6605,8 +6607,61 @@ } } } + + removeMapJoinHint(qb); } + // If the inputs are not bucketed, just remove the hint + private boolean isRemoveMapJoin(QBJoinTree joinTree) { + Map> aliasToOpInfo = joinTree.getAliasToOpInfo(); + for (Operator op : aliasToOpInfo.values()) { + while (true) { + if (op instanceof TableScanOperator) { + Table tbl = topToTable.get(op); + // Mapjoin hint is not needed for bucketed tables. + if ((tbl == null) || (tbl.getNumBuckets() <= 0)) { + return true; + } + else { + break; + } + } + else if ((op instanceof FilterOperator) || (op instanceof SelectOperator)) { + op = op.getParentOperators().get(0); + } + // Only selects are filters are allowed for mapjoins + else { + return true; + } + } + } + return false; + } + + private void removeMapJoinHint(QB qb) { + // After HIVE-3784, a lot of mapjoin queries are not allowed. The only reason for + // mapjoin queries are bucketed/sorted data. If the inputs are not bucketed/sorted, + // just behave as if the user never gave the hint. + // This may create a major problem in deployment. This is a temporary hack for that. + // Until hive.auto.convert.sortmerge.join is stabilized, the mapjoin hint is only needed + // for bucketed and sorted tables. For all other tables, just drop the hint. + if (conf.getBoolVar(HiveConf.ConfVars.HIVEIGNOREMAPJOINHINT)) { + QBJoinTree currentNode = qb.getQbJoinTree(); + while (currentNode != null) { + QBJoinTree childCurrentNode = currentNode.getJoinSrc(); + if (currentNode.isMapSideJoin() && + ((childCurrentNode != null) || isRemoveMapJoin(currentNode))) { + LOG.info("Remove the mapjoin hint from the command"); + currentNode.setMapSideJoin(false); + currentNode.setMapAliases(null); + queryProperties.setMapJoinRemoved(true); + } + + currentNode = childCurrentNode; + } + } + } + private Operator insertSelectAllPlanForGroupBy(Operator input) throws SemanticException { OpParseContext inputCtx = opParseCtx.get(input);