diff --git itests/src/test/resources/testconfiguration.properties itests/src/test/resources/testconfiguration.properties index b47d1b5..4f7b25f 100644 --- itests/src/test/resources/testconfiguration.properties +++ itests/src/test/resources/testconfiguration.properties @@ -190,6 +190,7 @@ minitez.query.files.shared=alter_merge_2_orc.q,\ update_two_cols.q,\ vector_acid3.q,\ vector_aggregate_9.q,\ + vector_auto_smb_mapjoin_14.q,\ vector_between_in.q,\ vector_binary_join_groupby.q,\ vector_bucket.q,\ diff --git ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorSMBMapJoinOperator.java ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorSMBMapJoinOperator.java index a2f8091..804ba17 100644 --- ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorSMBMapJoinOperator.java +++ ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorSMBMapJoinOperator.java @@ -38,7 +38,9 @@ import org.apache.hadoop.hive.ql.plan.OperatorDesc; import org.apache.hadoop.hive.ql.plan.SMBJoinDesc; import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; +import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils; import org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector; +import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.ObjectInspectorCopyOption; /** * VectorSMBJoinOperator. @@ -123,8 +125,17 @@ public VectorSMBMapJoinOperator(VectorizationContext vContext, OperatorDesc conf @Override protected List smbJoinComputeKeys(Object row, byte alias) throws HiveException { if (alias == this.posBigTable) { - VectorizedRowBatch inBatch = (VectorizedRowBatch) row; - return keyEvaluator.evaluate(keyValues[batchIndex]); + + // The keyEvaluate reuses storage. That doesn't work with SMB MapJoin because it + // holds references to keys as it is merging. + List singletonListAndObjects = keyEvaluator.evaluate(keyValues[batchIndex]); + ArrayList result = new ArrayList(singletonListAndObjects.size()); + for (int i = 0; i < singletonListAndObjects.size(); i++) { + result.add(ObjectInspectorUtils.copyToStandardObject(singletonListAndObjects.get(i), + joinKeysObjectInspectors[alias].get(i), + ObjectInspectorCopyOption.WRITABLE)); + } + return result; } else { return super.smbJoinComputeKeys(row, alias); } diff --git ql/src/test/queries/clientpositive/vector_auto_smb_mapjoin_14.q ql/src/test/queries/clientpositive/vector_auto_smb_mapjoin_14.q new file mode 100644 index 0000000..32be5ee --- /dev/null +++ ql/src/test/queries/clientpositive/vector_auto_smb_mapjoin_14.q @@ -0,0 +1,297 @@ +SET hive.vectorized.execution.enabled=true; +set hive.enforce.bucketing = true; +set hive.enforce.sorting = true; +set hive.exec.reducers.max = 1; + +-- SORT_QUERY_RESULTS + +CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC; +CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC; + +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; + +set hive.auto.convert.sortmerge.join=true; + +-- The join is being performed as part of sub-query. It should be converted to a sort-merge join +explain +select count(*) from ( + select 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 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 join 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 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 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; + +-- A join is being performed across different sub-queries, where a join is being performed in each of them. +-- Each sub-query should be converted to a sort-merge join. +explain +select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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; + +select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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; + +-- The subquery itself is being joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join. +explain +select 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 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 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 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 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 tables 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 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 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 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 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 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 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 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; + +-- One of the tables is a sub-query and the other is not. +-- It should be converted to a sort-merge join. +explain +select 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 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 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 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 join 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 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 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; + +CREATE TABLE dest1(key int, value string); +CREATE TABLE dest2(key int, val1 string, val2 string); + +-- The join is followed by a multi-table insert. It should be converted to +-- a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2; + +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2; + +select * from dest1; +select * from dest2; + +DROP TABLE dest2; +CREATE TABLE dest2(key int, cnt int); + +-- The join is followed by a multi-table insert, and one of the inserts involves a reducer. +-- It should be converted to a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key; + +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key; + +select * from dest1; +select * from dest2; diff --git ql/src/test/results/clientpositive/auto_smb_mapjoin_14.q.out ql/src/test/results/clientpositive/auto_smb_mapjoin_14.q.out deleted file mode 100644 index 1dc9cd0..0000000 --- ql/src/test/results/clientpositive/auto_smb_mapjoin_14.q.out +++ /dev/null @@ -1,1779 +0,0 @@ -PREHOOK: query: -- SORT_QUERY_RESULTS - -CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS -PREHOOK: type: CREATETABLE -PREHOOK: Output: database:default -PREHOOK: Output: default@tbl1 -POSTHOOK: query: -- SORT_QUERY_RESULTS - -CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS -POSTHOOK: type: CREATETABLE -POSTHOOK: Output: database:default -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 -PREHOOK: Output: database:default -PREHOOK: Output: default@tbl2 -POSTHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS -POSTHOOK: type: CREATETABLE -POSTHOOK: Output: database:default -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: 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 join is being performed as part of sub-query. It should be converted to a sort-merge join -explain -select count(*) from ( - select 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 join is being performed as part of sub-query. It should be converted to a sort-merge join -explain -select count(*) from ( - select 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-0 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: key is not null (type: boolean) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 key (type: int) - 1 key (type: int) - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select count(*) from ( - select 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 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 #### -22 -PREHOOK: query: -- The join 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 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 join 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 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-2 depends on stages: Stage-1 - Stage-0 depends on stages: Stage-2 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: key is not null (type: boolean) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 key (type: int) - 1 key (type: int) - outputColumnNames: _col0 - Group By Operator - aggregations: count() - keys: _col0 (type: int) - mode: hash - outputColumnNames: _col0, _col1 - Reduce Output Operator - key expressions: _col0 (type: int) - sort order: + - Map-reduce partition columns: _col0 (type: int) - value expressions: _col1 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - keys: KEY._col0 (type: int) - mode: mergepartial - outputColumnNames: _col0, _col1 - Select Operator - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - File Output Operator - compressed: false - table: - input format: org.apache.hadoop.mapred.SequenceFileInputFormat - output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat - serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe - - Stage: Stage-2 - Map Reduce - Map Operator Tree: - TableScan - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select count(*) from -( - select key, count(*) from - ( - select 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 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 #### -6 -PREHOOK: query: -- A join is being performed across different sub-queries, where a join is being performed in each of them. --- Each sub-query should be converted to a sort-merge join. -explain -select src1.key, src1.cnt1, src2.cnt1 from -( - select key, count(*) as cnt1 from - ( - select 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 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 -PREHOOK: type: QUERY -POSTHOOK: query: -- A join is being performed across different sub-queries, where a join is being performed in each of them. --- Each sub-query should be converted to a sort-merge join. -explain -select src1.key, src1.cnt1, src2.cnt1 from -( - select key, count(*) as cnt1 from - ( - select 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 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 -POSTHOOK: type: QUERY -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-2 depends on stages: Stage-1, Stage-4 - Stage-4 is a root stage - Stage-0 depends on stages: Stage-2 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: key is not null (type: boolean) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 key (type: int) - 1 key (type: int) - outputColumnNames: _col0 - Group By Operator - aggregations: count() - keys: _col0 (type: int) - mode: hash - outputColumnNames: _col0, _col1 - Reduce Output Operator - key expressions: _col0 (type: int) - sort order: + - Map-reduce partition columns: _col0 (type: int) - value expressions: _col1 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - keys: KEY._col0 (type: int) - mode: mergepartial - outputColumnNames: _col0, _col1 - File Output Operator - compressed: false - table: - input format: org.apache.hadoop.mapred.SequenceFileInputFormat - output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat - serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe - - Stage: Stage-2 - Map Reduce - Map Operator Tree: - TableScan - Reduce Output Operator - key expressions: _col0 (type: int) - sort order: + - Map-reduce partition columns: _col0 (type: int) - value expressions: _col1 (type: bigint) - TableScan - Reduce Output Operator - key expressions: _col0 (type: int) - sort order: + - Map-reduce partition columns: _col0 (type: int) - value expressions: _col1 (type: bigint) - Reduce Operator Tree: - Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 _col0 (type: int) - 1 _col0 (type: int) - outputColumnNames: _col0, _col1, _col3 - Select Operator - expressions: _col0 (type: int), _col1 (type: bigint), _col3 (type: bigint) - outputColumnNames: _col0, _col1, _col2 - File Output Operator - compressed: false - 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 - - Stage: Stage-4 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: key is not null (type: boolean) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 key (type: int) - 1 key (type: int) - outputColumnNames: _col0 - Group By Operator - aggregations: count() - keys: _col0 (type: int) - mode: hash - outputColumnNames: _col0, _col1 - Reduce Output Operator - key expressions: _col0 (type: int) - sort order: + - Map-reduce partition columns: _col0 (type: int) - value expressions: _col1 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - keys: KEY._col0 (type: int) - mode: mergepartial - outputColumnNames: _col0, _col1 - File Output Operator - compressed: false - table: - input format: org.apache.hadoop.mapred.SequenceFileInputFormat - output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat - serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select src1.key, src1.cnt1, src2.cnt1 from -( - select key, count(*) as cnt1 from - ( - select 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 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 -PREHOOK: type: QUERY -PREHOOK: Input: default@tbl1 -PREHOOK: Input: default@tbl2 -#### A masked pattern was here #### -POSTHOOK: query: select src1.key, src1.cnt1, src2.cnt1 from -( - select key, count(*) as cnt1 from - ( - select 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 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 -POSTHOOK: type: QUERY -POSTHOOK: Input: default@tbl1 -POSTHOOK: Input: default@tbl2 -#### A masked pattern was here #### -0 9 9 -2 1 1 -4 1 1 -5 9 9 -8 1 1 -9 1 1 -PREHOOK: query: -- The subquery itself is being joined. Since the sub-query only contains selects and filters, it should --- be converted to a sort-merge join. -explain -select 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 joined. Since the sub-query only contains selects and filters, it should --- be converted to a sort-merge join. -explain -select 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-0 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: (key < 6) (type: boolean) - Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: key (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 _col0 (type: int) - 1 _col0 (type: int) - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select 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 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 #### -20 -PREHOOK: query: -- The subquery itself is being 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 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 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 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-0 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: (((key < 8) and (key < 6)) and key is not null) (type: boolean) - Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: key (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 _col0 (type: int) - 1 key (type: int) - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select 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 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 #### -20 -PREHOOK: query: -- Both the tables 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 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 tables 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 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-0 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: (((key < 8) and (key < 6)) and key is not null) (type: boolean) - Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: key (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 _col0 (type: int) - 1 _col0 (type: int) - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select 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 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 #### -20 -PREHOOK: query: -- The subquery itself is being 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 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 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 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-0 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: (key < 8) (type: boolean) - Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: key (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 _col0 (type: int) - 1 _col0 (type: int) - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select 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 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 #### -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 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 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-2 depends on stages: Stage-1 - Stage-0 depends on stages: Stage-2 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: (key + 1) (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: _col0 is not null (type: boolean) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Reduce Output Operator - key expressions: _col0 (type: int) - sort order: + - Map-reduce partition columns: _col0 (type: int) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: (key + 1) (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: _col0 is not null (type: boolean) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Reduce Output Operator - key expressions: _col0 (type: int) - sort order: + - Map-reduce partition columns: _col0 (type: int) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Reduce Operator Tree: - Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 _col0 (type: int) - 1 _col0 (type: int) - Statistics: Num rows: 5 Data size: 38 Basic stats: COMPLETE Column stats: NONE - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE - File Output Operator - compressed: false - table: - input format: org.apache.hadoop.mapred.SequenceFileInputFormat - output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat - serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe - - Stage: Stage-2 - Map Reduce - Map Operator Tree: - TableScan - Reduce Output Operator - sort order: - Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE - File Output Operator - compressed: false - Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select 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 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 #### -22 -PREHOOK: query: -- One of the tables is a sub-query and the other is not. --- It should be converted to a sort-merge join. -explain -select 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: -- One of the tables is a sub-query and the other is not. --- It should be converted to a sort-merge join. -explain -select 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-0 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: (key < 6) (type: boolean) - Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: key (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 _col0 (type: int) - 1 key (type: int) - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select 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 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 #### -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 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 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-0 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: (key < 6) (type: boolean) - Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: key (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 3 Data size: 21 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - Inner Join 0 to 2 - keys: - 0 _col0 (type: int) - 1 _col0 (type: int) - 2 _col0 (type: int) - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select 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 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 #### -56 -PREHOOK: query: -- The join 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 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 join 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 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 -STAGE DEPENDENCIES: - Stage-1 is a root stage - Stage-0 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-1 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: (((key < 8) and (key < 6)) and key is not null) (type: boolean) - Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE - Select Operator - expressions: key (type: int) - outputColumnNames: _col0 - Statistics: Num rows: 1 Data size: 7 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 _col0 (type: int) - 1 key (type: int) - Group By Operator - aggregations: count() - mode: hash - outputColumnNames: _col0 - Reduce Output Operator - sort order: - value expressions: _col0 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - mode: mergepartial - outputColumnNames: _col0 - File Output Operator - compressed: false - 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 - - Stage: Stage-0 - Fetch Operator - limit: -1 - Processor Tree: - ListSink - -PREHOOK: query: select count(*) from ( - select 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 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 #### -20 -PREHOOK: query: CREATE TABLE dest1(key int, value string) -PREHOOK: type: CREATETABLE -PREHOOK: Output: database:default -PREHOOK: Output: default@dest1 -POSTHOOK: query: CREATE TABLE dest1(key int, value string) -POSTHOOK: type: CREATETABLE -POSTHOOK: Output: database:default -POSTHOOK: Output: default@dest1 -PREHOOK: query: CREATE TABLE dest2(key int, val1 string, val2 string) -PREHOOK: type: CREATETABLE -PREHOOK: Output: database:default -PREHOOK: Output: default@dest2 -POSTHOOK: query: CREATE TABLE dest2(key int, val1 string, val2 string) -POSTHOOK: type: CREATETABLE -POSTHOOK: Output: database:default -POSTHOOK: Output: default@dest2 -PREHOOK: query: -- The join is followed by a multi-table insert. It should be converted to --- a sort-merge join -explain -from ( - select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key -) subq1 -insert overwrite table dest1 select key, val1 -insert overwrite table dest2 select key, val1, val2 -PREHOOK: type: QUERY -POSTHOOK: query: -- The join is followed by a multi-table insert. It should be converted to --- a sort-merge join -explain -from ( - select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key -) subq1 -insert overwrite table dest1 select key, val1 -insert overwrite table dest2 select key, val1, val2 -POSTHOOK: type: QUERY -STAGE DEPENDENCIES: - Stage-2 is a root stage - Stage-8 depends on stages: Stage-2 , consists of Stage-5, Stage-4, Stage-6 - Stage-5 - Stage-0 depends on stages: Stage-5, Stage-4, Stage-7 - Stage-3 depends on stages: Stage-0 - Stage-4 - Stage-6 - Stage-7 depends on stages: Stage-6 - Stage-14 depends on stages: Stage-2 , consists of Stage-11, Stage-10, Stage-12 - Stage-11 - Stage-1 depends on stages: Stage-11, Stage-10, Stage-13 - Stage-9 depends on stages: Stage-1 - Stage-10 - Stage-12 - Stage-13 depends on stages: Stage-12 - -STAGE PLANS: - Stage: Stage-2 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: key is not null (type: boolean) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 key (type: int) - 1 key (type: int) - outputColumnNames: _col0, _col1, _col6 - Select Operator - expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string) - outputColumnNames: _col0, _col1, _col2 - Select Operator - expressions: _col0 (type: int), _col1 (type: string) - outputColumnNames: _col0, _col1 - File Output Operator - compressed: false - 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.dest1 - File Output Operator - compressed: false - 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.dest2 - - Stage: Stage-8 - Conditional Operator - - Stage: Stage-5 - Move Operator - files: - hdfs directory: true -#### A masked pattern was here #### - - 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.dest1 - - Stage: Stage-3 - Stats-Aggr Operator - - Stage: Stage-4 - Map Reduce - Map Operator Tree: - TableScan - File Output Operator - compressed: false - 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.dest1 - - Stage: Stage-6 - Map Reduce - Map Operator Tree: - TableScan - File Output Operator - compressed: false - 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.dest1 - - Stage: Stage-7 - Move Operator - files: - hdfs directory: true -#### A masked pattern was here #### - - Stage: Stage-14 - Conditional Operator - - Stage: Stage-11 - Move Operator - files: - hdfs directory: true -#### A masked pattern was here #### - - Stage: Stage-1 - 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.dest2 - - Stage: Stage-9 - Stats-Aggr Operator - - Stage: Stage-10 - Map Reduce - Map Operator Tree: - TableScan - File Output Operator - compressed: false - 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.dest2 - - Stage: Stage-12 - Map Reduce - Map Operator Tree: - TableScan - File Output Operator - compressed: false - 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.dest2 - - Stage: Stage-13 - Move Operator - files: - hdfs directory: true -#### A masked pattern was here #### - -PREHOOK: query: from ( - select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key -) subq1 -insert overwrite table dest1 select key, val1 -insert overwrite table dest2 select key, val1, val2 -PREHOOK: type: QUERY -PREHOOK: Input: default@tbl1 -PREHOOK: Input: default@tbl2 -PREHOOK: Output: default@dest1 -PREHOOK: Output: default@dest2 -POSTHOOK: query: from ( - select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key -) subq1 -insert overwrite table dest1 select key, val1 -insert overwrite table dest2 select key, val1, val2 -POSTHOOK: type: QUERY -POSTHOOK: Input: default@tbl1 -POSTHOOK: Input: default@tbl2 -POSTHOOK: Output: default@dest1 -POSTHOOK: Output: default@dest2 -POSTHOOK: Lineage: dest1.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] -POSTHOOK: Lineage: dest1.value SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] -POSTHOOK: Lineage: dest2.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] -POSTHOOK: Lineage: dest2.val1 SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] -POSTHOOK: Lineage: dest2.val2 SIMPLE [(tbl2)b.FieldSchema(name:value, type:string, comment:null), ] -PREHOOK: query: select * from dest1 -PREHOOK: type: QUERY -PREHOOK: Input: default@dest1 -#### A masked pattern was here #### -POSTHOOK: query: select * from dest1 -POSTHOOK: type: QUERY -POSTHOOK: Input: default@dest1 -#### A masked pattern was here #### -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -2 val_2 -4 val_4 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -8 val_8 -9 val_9 -PREHOOK: query: select * from dest2 -PREHOOK: type: QUERY -PREHOOK: Input: default@dest2 -#### A masked pattern was here #### -POSTHOOK: query: select * from dest2 -POSTHOOK: type: QUERY -POSTHOOK: Input: default@dest2 -#### A masked pattern was here #### -0 val_0 val_0 -0 val_0 val_0 -0 val_0 val_0 -0 val_0 val_0 -0 val_0 val_0 -0 val_0 val_0 -0 val_0 val_0 -0 val_0 val_0 -0 val_0 val_0 -2 val_2 val_2 -4 val_4 val_4 -5 val_5 val_5 -5 val_5 val_5 -5 val_5 val_5 -5 val_5 val_5 -5 val_5 val_5 -5 val_5 val_5 -5 val_5 val_5 -5 val_5 val_5 -5 val_5 val_5 -8 val_8 val_8 -9 val_9 val_9 -PREHOOK: query: DROP TABLE dest2 -PREHOOK: type: DROPTABLE -PREHOOK: Input: default@dest2 -PREHOOK: Output: default@dest2 -POSTHOOK: query: DROP TABLE dest2 -POSTHOOK: type: DROPTABLE -POSTHOOK: Input: default@dest2 -POSTHOOK: Output: default@dest2 -PREHOOK: query: CREATE TABLE dest2(key int, cnt int) -PREHOOK: type: CREATETABLE -PREHOOK: Output: database:default -PREHOOK: Output: default@dest2 -POSTHOOK: query: CREATE TABLE dest2(key int, cnt int) -POSTHOOK: type: CREATETABLE -POSTHOOK: Output: database:default -POSTHOOK: Output: default@dest2 -PREHOOK: query: -- The join is followed by a multi-table insert, and one of the inserts involves a reducer. --- It should be converted to a sort-merge join -explain -from ( - select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key -) subq1 -insert overwrite table dest1 select key, val1 -insert overwrite table dest2 select key, count(*) group by key -PREHOOK: type: QUERY -POSTHOOK: query: -- The join is followed by a multi-table insert, and one of the inserts involves a reducer. --- It should be converted to a sort-merge join -explain -from ( - select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key -) subq1 -insert overwrite table dest1 select key, val1 -insert overwrite table dest2 select key, count(*) group by key -POSTHOOK: type: QUERY -STAGE DEPENDENCIES: - Stage-2 is a root stage - Stage-8 depends on stages: Stage-2 , consists of Stage-5, Stage-4, Stage-6 - Stage-5 - Stage-0 depends on stages: Stage-5, Stage-4, Stage-7 - Stage-3 depends on stages: Stage-0 - Stage-4 - Stage-6 - Stage-7 depends on stages: Stage-6 - Stage-1 depends on stages: Stage-2 - Stage-9 depends on stages: Stage-1 - -STAGE PLANS: - Stage: Stage-2 - Map Reduce - Map Operator Tree: - TableScan - alias: a - Statistics: Num rows: 10 Data size: 70 Basic stats: COMPLETE Column stats: NONE - Filter Operator - predicate: key is not null (type: boolean) - Statistics: Num rows: 5 Data size: 35 Basic stats: COMPLETE Column stats: NONE - Sorted Merge Bucket Map Join Operator - condition map: - Inner Join 0 to 1 - keys: - 0 key (type: int) - 1 key (type: int) - outputColumnNames: _col0, _col1 - File Output Operator - compressed: false - 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.dest1 - Select Operator - expressions: _col0 (type: int) - outputColumnNames: _col0 - Group By Operator - aggregations: count() - keys: _col0 (type: int) - mode: hash - outputColumnNames: _col0, _col1 - Reduce Output Operator - key expressions: _col0 (type: int) - sort order: + - Map-reduce partition columns: _col0 (type: int) - value expressions: _col1 (type: bigint) - Reduce Operator Tree: - Group By Operator - aggregations: count(VALUE._col0) - keys: KEY._col0 (type: int) - mode: mergepartial - outputColumnNames: _col0, _col1 - Select Operator - expressions: _col0 (type: int), UDFToInteger(_col1) (type: int) - outputColumnNames: _col0, _col1 - File Output Operator - compressed: false - 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.dest2 - - Stage: Stage-8 - Conditional Operator - - Stage: Stage-5 - Move Operator - files: - hdfs directory: true -#### A masked pattern was here #### - - 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.dest1 - - Stage: Stage-3 - Stats-Aggr Operator - - Stage: Stage-4 - Map Reduce - Map Operator Tree: - TableScan - File Output Operator - compressed: false - 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.dest1 - - Stage: Stage-6 - Map Reduce - Map Operator Tree: - TableScan - File Output Operator - compressed: false - 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.dest1 - - Stage: Stage-7 - Move Operator - files: - hdfs directory: true -#### A masked pattern was here #### - - Stage: Stage-1 - 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.dest2 - - Stage: Stage-9 - Stats-Aggr Operator - -PREHOOK: query: from ( - select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key -) subq1 -insert overwrite table dest1 select key, val1 -insert overwrite table dest2 select key, count(*) group by key -PREHOOK: type: QUERY -PREHOOK: Input: default@tbl1 -PREHOOK: Input: default@tbl2 -PREHOOK: Output: default@dest1 -PREHOOK: Output: default@dest2 -POSTHOOK: query: from ( - select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key -) subq1 -insert overwrite table dest1 select key, val1 -insert overwrite table dest2 select key, count(*) group by key -POSTHOOK: type: QUERY -POSTHOOK: Input: default@tbl1 -POSTHOOK: Input: default@tbl2 -POSTHOOK: Output: default@dest1 -POSTHOOK: Output: default@dest2 -POSTHOOK: Lineage: dest1.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] -POSTHOOK: Lineage: dest1.value SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] -POSTHOOK: Lineage: dest2.cnt EXPRESSION [(tbl1)a.null, (tbl2)b.null, ] -POSTHOOK: Lineage: dest2.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] -PREHOOK: query: select * from dest1 -PREHOOK: type: QUERY -PREHOOK: Input: default@dest1 -#### A masked pattern was here #### -POSTHOOK: query: select * from dest1 -POSTHOOK: type: QUERY -POSTHOOK: Input: default@dest1 -#### A masked pattern was here #### -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -0 val_0 -2 val_2 -4 val_4 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -5 val_5 -8 val_8 -9 val_9 -PREHOOK: query: select * from dest2 -PREHOOK: type: QUERY -PREHOOK: Input: default@dest2 -#### A masked pattern was here #### -POSTHOOK: query: select * from dest2 -POSTHOOK: type: QUERY -POSTHOOK: Input: default@dest2 -#### A masked pattern was here #### -0 9 -2 1 -4 1 -5 9 -8 1 -9 1 diff --git ql/src/test/results/clientpositive/tez/vector_auto_smb_mapjoin_14.q.out ql/src/test/results/clientpositive/tez/vector_auto_smb_mapjoin_14.q.out new file mode 100644 index 0000000..480c4e1 --- /dev/null +++ ql/src/test/results/clientpositive/tez/vector_auto_smb_mapjoin_14.q.out @@ -0,0 +1,1576 @@ +PREHOOK: query: -- SORT_QUERY_RESULTS + +CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@tbl1 +POSTHOOK: query: -- SORT_QUERY_RESULTS + +CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +POSTHOOK: Output: default@tbl1 +PREHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@tbl2 +POSTHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +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: 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 join is being performed as part of sub-query. It should be converted to a sort-merge join +explain +select count(*) from ( + select 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 join is being performed as part of sub-query. It should be converted to a sort-merge join +explain +select count(*) from ( + select 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 2 + File Output Operator [FS_13] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_20] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_10] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_9] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_18] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"key (type: int)","1":"key (type: int)"} + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | + |<-Filter Operator [FIL_17] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_1] + | alias:b + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Filter Operator [FIL_16] + predicate:key is not null (type: boolean) + Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select count(*) from ( + select 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 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 #### +22 +PREHOOK: query: -- The join 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 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 join 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 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) +Reducer 3 <- Reducer 2 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 3 + File Output Operator [FS_18] + compressed:false + Statistics:Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_28] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE + |<-Reducer 2 [SIMPLE_EDGE] + Reduce Output Operator [RS_15] + sort order: + Statistics:Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [OP_27] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 16 Basic stats: COMPLETE Column stats: NONE + Select Operator [OP_26] + Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + Group By Operator [OP_25] + | aggregations:["count(VALUE._col0)"] + | keys:KEY._col0 (type: int) + | outputColumnNames:["_col0","_col1"] + | Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_10] + key expressions:_col0 (type: int) + Map-reduce partition columns:_col0 (type: int) + sort order:+ + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + value expressions:_col1 (type: bigint) + Group By Operator [GBY_9] + aggregations:["count()"] + keys:_col0 (type: int) + outputColumnNames:["_col0","_col1"] + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_23] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"key (type: int)","1":"key (type: int)"} + | outputColumnNames:["_col0"] + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | + |<-Filter Operator [FIL_22] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_1] + | alias:b + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Filter Operator [FIL_21] + predicate:key is not null (type: boolean) + Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select count(*) from +( + select key, count(*) from + ( + select 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 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 #### +6 +PREHOOK: query: -- A join is being performed across different sub-queries, where a join is being performed in each of them. +-- Each sub-query should be converted to a sort-merge join. +explain +select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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 +PREHOOK: type: QUERY +POSTHOOK: query: -- A join is being performed across different sub-queries, where a join is being performed in each of them. +-- Each sub-query should be converted to a sort-merge join. +explain +select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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 +POSTHOOK: type: QUERY +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) +Reducer 3 <- Reducer 2 (SIMPLE_EDGE), Reducer 6 (SIMPLE_EDGE) +Reducer 6 <- Map 5 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 3 + File Output Operator [FS_32] + compressed:false + Statistics:Num rows: 2 Data size: 224 Basic stats: COMPLETE Column stats: NONE + 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"} + Select Operator [SEL_31] + outputColumnNames:["_col0","_col1","_col2"] + Statistics:Num rows: 2 Data size: 224 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_49] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"_col0 (type: int)","1":"_col0 (type: int)"} + | outputColumnNames:["_col0","_col1","_col3"] + | Statistics:Num rows: 2 Data size: 224 Basic stats: COMPLETE Column stats: NONE + |<-Reducer 2 [SIMPLE_EDGE] + | Reduce Output Operator [RS_51] + | key expressions:_col0 (type: int) + | Map-reduce partition columns:_col0 (type: int) + | sort order:+ + | Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + | value expressions:_col1 (type: bigint) + | Group By Operator [OP_50] + | | aggregations:["count(VALUE._col0)"] + | | keys:KEY._col0 (type: int) + | | outputColumnNames:["_col0","_col1"] + | | Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + | |<-Map 1 [SIMPLE_EDGE] + | Reduce Output Operator [RS_10] + | key expressions:_col0 (type: int) + | Map-reduce partition columns:_col0 (type: int) + | sort order:+ + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | value expressions:_col1 (type: bigint) + | Group By Operator [GBY_9] + | aggregations:["count()"] + | keys:_col0 (type: int) + | outputColumnNames:["_col0","_col1"] + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | Merge Join Operator [MERGEJOIN_45] + | | condition map:[{"":"Inner Join 0 to 1"}] + | | keys:{"0":"key (type: int)","1":"key (type: int)"} + | | outputColumnNames:["_col0"] + | | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | | + | |<-Filter Operator [FIL_42] + | | predicate:key is not null (type: boolean) + | | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | | TableScan [TS_1] + | | alias:b + | | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + | |<-Filter Operator [FIL_41] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_0] + | alias:a + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Reducer 6 [SIMPLE_EDGE] + Reduce Output Operator [RS_53] + key expressions:_col0 (type: int) + Map-reduce partition columns:_col0 (type: int) + sort order:+ + Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + value expressions:_col1 (type: bigint) + Group By Operator [OP_52] + | aggregations:["count(VALUE._col0)"] + | keys:KEY._col0 (type: int) + | outputColumnNames:["_col0","_col1"] + | Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + |<-Map 5 [SIMPLE_EDGE] + Reduce Output Operator [RS_23] + key expressions:_col0 (type: int) + Map-reduce partition columns:_col0 (type: int) + sort order:+ + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + value expressions:_col1 (type: bigint) + Group By Operator [GBY_22] + aggregations:["count()"] + keys:_col0 (type: int) + outputColumnNames:["_col0","_col1"] + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_47] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"key (type: int)","1":"key (type: int)"} + | outputColumnNames:["_col0"] + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | + |<-Filter Operator [FIL_44] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_14] + | alias:b + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Filter Operator [FIL_43] + predicate:key is not null (type: boolean) + Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_13] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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 +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +0 9 9 +2 1 1 +4 1 1 +5 9 9 +8 1 1 +9 1 1 +PREHOOK: query: -- The subquery itself is being joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join. +explain +select 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 joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join. +explain +select 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 2 + File Output Operator [FS_16] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_23] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_13] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_12] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_21] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"_col0 (type: int)","1":"_col0 (type: int)"} + | Statistics:Num rows: 3 Data size: 306 Basic stats: COMPLETE Column stats: NONE + | + |<-Select Operator [SEL_5] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + | Filter Operator [FIL_20] + | predicate:(key < 6) (type: boolean) + | Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_3] + | alias:a + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Select Operator [SEL_2] + outputColumnNames:["_col0"] + Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Filter Operator [FIL_19] + predicate:(key < 6) (type: boolean) + Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select 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 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 #### +20 +PREHOOK: query: -- The subquery itself is being 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 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 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 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 2 + File Output Operator [FS_16] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_23] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_13] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_12] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_21] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"_col0 (type: int)","1":"key (type: int)"} + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | + |<-Filter Operator [FIL_20] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_5] + | alias:b + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Select Operator [SEL_2] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Filter Operator [FIL_19] + predicate:(((key < 8) and (key < 6)) and key is not null) (type: boolean) + Statistics:Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select 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 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 #### +20 +PREHOOK: query: -- Both the tables 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 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 tables 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 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 2 + File Output Operator [FS_20] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_27] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_17] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_16] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_25] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"_col0 (type: int)","1":"_col0 (type: int)"} + | Statistics:Num rows: 1 Data size: 102 Basic stats: COMPLETE Column stats: NONE + | + |<-Select Operator [SEL_7] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + | Filter Operator [FIL_24] + | predicate:(((key < 8) and (key < 6)) and key is not null) (type: boolean) + | Statistics:Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_5] + | alias:a + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Select Operator [SEL_2] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Filter Operator [FIL_23] + predicate:(((key < 8) and (key < 6)) and key is not null) (type: boolean) + Statistics:Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select 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 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 #### +20 +PREHOOK: query: -- The subquery itself is being 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 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 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 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 2 + File Output Operator [FS_16] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_23] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_13] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_12] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_21] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"_col0 (type: int)","1":"_col0 (type: int)"} + | Statistics:Num rows: 3 Data size: 306 Basic stats: COMPLETE Column stats: NONE + | + |<-Select Operator [SEL_5] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + | Filter Operator [FIL_20] + | predicate:(key < 8) (type: boolean) + | Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_3] + | alias:a + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Select Operator [SEL_2] + outputColumnNames:["_col0"] + Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Filter Operator [FIL_19] + predicate:(key < 8) (type: boolean) + Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select 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 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 #### +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 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 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 4 (SIMPLE_EDGE) +Reducer 3 <- Reducer 2 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 3 + File Output Operator [FS_14] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_26] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Reducer 2 [SIMPLE_EDGE] + Reduce Output Operator [RS_11] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_10] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_19] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"_col0 (type: int)","1":"_col0 (type: int)"} + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + | Reduce Output Operator [RS_22] + | key expressions:_col0 (type: int) + | Map-reduce partition columns:_col0 (type: int) + | sort order:+ + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | Filter Operator [FIL_21] + | predicate:_col0 is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | Select Operator [OP_20] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_0] + | alias:a + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Map 4 [SIMPLE_EDGE] + Reduce Output Operator [RS_25] + key expressions:_col0 (type: int) + Map-reduce partition columns:_col0 (type: int) + sort order:+ + Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Filter Operator [FIL_24] + predicate:_col0 is not null (type: boolean) + Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Select Operator [OP_23] + outputColumnNames:["_col0"] + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_2] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select 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 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 #### +22 +PREHOOK: query: -- One of the tables is a sub-query and the other is not. +-- It should be converted to a sort-merge join. +explain +select 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: -- One of the tables is a sub-query and the other is not. +-- It should be converted to a sort-merge join. +explain +select 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 2 + File Output Operator [FS_14] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_21] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_11] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_10] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_19] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"_col0 (type: int)","1":"key (type: int)"} + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | + |<-Filter Operator [FIL_18] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_3] + | alias:a + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Select Operator [SEL_2] + outputColumnNames:["_col0"] + Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Filter Operator [FIL_17] + predicate:(key < 6) (type: boolean) + Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select 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 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 #### +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 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 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 2 + File Output Operator [FS_21] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_34] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_18] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_17] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_31] + | condition map:[{"":"Inner Join 0 to 1"},{"":"Inner Join 0 to 2"}] + | keys:{"0":"_col0 (type: int)","1":"_col0 (type: int)","2":"_col0 (type: int)"} + | Statistics:Num rows: 6 Data size: 613 Basic stats: COMPLETE Column stats: NONE + | + |<-Select Operator [SEL_5] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + | Filter Operator [FIL_29] + | predicate:(key < 6) (type: boolean) + | Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_3] + | alias:a + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + | + |<-Select Operator [SEL_8] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + | Filter Operator [FIL_30] + | predicate:(key < 6) (type: boolean) + | Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_6] + | alias:a + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Select Operator [SEL_2] + outputColumnNames:["_col0"] + Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Filter Operator [FIL_28] + predicate:(key < 6) (type: boolean) + Statistics:Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select 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 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 #### +56 +PREHOOK: query: -- The join 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 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 join 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 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 +Plan not optimized by CBO due to missing statistics. Please check log for more details. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-0 + Fetch Operator + limit:-1 + Stage-1 + Reducer 2 + File Output Operator [FS_17] + compressed:false + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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"} + Group By Operator [OP_24] + | aggregations:["count(VALUE._col0)"] + | outputColumnNames:["_col0"] + | Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + Reduce Output Operator [RS_14] + sort order: + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions:_col0 (type: bigint) + Group By Operator [GBY_13] + aggregations:["count()"] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_22] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"_col0 (type: int)","1":"key (type: int)"} + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | + |<-Filter Operator [FIL_21] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_5] + | alias:b + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Select Operator [SEL_2] + outputColumnNames:["_col0"] + Statistics:Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Filter Operator [FIL_20] + predicate:(((key < 8) and (key < 6)) and key is not null) (type: boolean) + Statistics:Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + +PREHOOK: query: select count(*) from ( + select 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 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 #### +20 +PREHOOK: query: CREATE TABLE dest1(key int, value string) +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@dest1 +POSTHOOK: query: CREATE TABLE dest1(key int, value string) +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +POSTHOOK: Output: default@dest1 +PREHOOK: query: CREATE TABLE dest2(key int, val1 string, val2 string) +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@dest2 +POSTHOOK: query: CREATE TABLE dest2(key int, val1 string, val2 string) +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +POSTHOOK: Output: default@dest2 +PREHOOK: query: -- The join is followed by a multi-table insert. It should be converted to +-- a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2 +PREHOOK: type: QUERY +POSTHOOK: query: -- The join is followed by a multi-table insert. It should be converted to +-- a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2 +POSTHOOK: type: QUERY +Plan not optimized by CBO. + +Stage-4 + Stats-Aggr Operator + Stage-0 + Move Operator + 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.dest1"} + Stage-3 + Dependency Collection{} + Stage-2 + Map 1 + File Output Operator [FS_9] + compressed:false + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + 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.dest1"} + Select Operator [SEL_8] + outputColumnNames:["_col0","_col1"] + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + Select Operator [SEL_7] + outputColumnNames:["_col0","_col1","_col2"] + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + Merge Join Operator [MERGEJOIN_16] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"key (type: int)","1":"key (type: int)"} + | outputColumnNames:["_col0","_col1","_col6"] + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | + |<-Filter Operator [FIL_15] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_1] + | alias:b + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Filter Operator [FIL_14] + predicate:key is not null (type: boolean) + Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + File Output Operator [FS_11] + compressed:false + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + 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.dest2"} + Please refer to the previous Select Operator [SEL_7] +Stage-5 + Stats-Aggr Operator + Stage-1 + Move Operator + 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.dest2"} + Please refer to the previous Stage-3 + +PREHOOK: query: from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2 +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +PREHOOK: Output: default@dest1 +PREHOOK: Output: default@dest2 +POSTHOOK: query: from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +POSTHOOK: Output: default@dest1 +POSTHOOK: Output: default@dest2 +POSTHOOK: Lineage: dest1.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] +POSTHOOK: Lineage: dest1.value SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] +POSTHOOK: Lineage: dest2.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] +POSTHOOK: Lineage: dest2.val1 SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] +POSTHOOK: Lineage: dest2.val2 SIMPLE [(tbl2)b.FieldSchema(name:value, type:string, comment:null), ] +PREHOOK: query: select * from dest1 +PREHOOK: type: QUERY +PREHOOK: Input: default@dest1 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest1 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest1 +#### A masked pattern was here #### +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +2 val_2 +4 val_4 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +8 val_8 +9 val_9 +PREHOOK: query: select * from dest2 +PREHOOK: type: QUERY +PREHOOK: Input: default@dest2 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest2 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest2 +#### A masked pattern was here #### +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +2 val_2 val_2 +4 val_4 val_4 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +8 val_8 val_8 +9 val_9 val_9 +PREHOOK: query: DROP TABLE dest2 +PREHOOK: type: DROPTABLE +PREHOOK: Input: default@dest2 +PREHOOK: Output: default@dest2 +POSTHOOK: query: DROP TABLE dest2 +POSTHOOK: type: DROPTABLE +POSTHOOK: Input: default@dest2 +POSTHOOK: Output: default@dest2 +PREHOOK: query: CREATE TABLE dest2(key int, cnt int) +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@dest2 +POSTHOOK: query: CREATE TABLE dest2(key int, cnt int) +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +POSTHOOK: Output: default@dest2 +PREHOOK: query: -- The join is followed by a multi-table insert, and one of the inserts involves a reducer. +-- It should be converted to a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key +PREHOOK: type: QUERY +POSTHOOK: query: -- The join is followed by a multi-table insert, and one of the inserts involves a reducer. +-- It should be converted to a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key +POSTHOOK: type: QUERY +Plan not optimized by CBO. + +Vertex dependency in root stage +Reducer 2 <- Map 1 (SIMPLE_EDGE) + +Stage-4 + Stats-Aggr Operator + Stage-0 + Move Operator + 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.dest1"} + Stage-3 + Dependency Collection{} + Stage-2 + Reducer 2 + File Output Operator [FS_25] + compressed:false + Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + 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.dest2"} + Select Operator [OP_24] + outputColumnNames:["_col0","_col1"] + Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + Group By Operator [OP_23] + | aggregations:["count(VALUE._col0)"] + | keys:KEY._col0 (type: int) + | outputColumnNames:["_col0","_col1"] + | Statistics:Num rows: 2 Data size: 204 Basic stats: COMPLETE Column stats: NONE + |<-Map 1 [SIMPLE_EDGE] + File Output Operator [FS_9] + compressed:false + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + 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.dest1"} + Merge Join Operator [MERGEJOIN_21] + | condition map:[{"":"Inner Join 0 to 1"}] + | keys:{"0":"key (type: int)","1":"key (type: int)"} + | outputColumnNames:["_col0","_col1"] + | Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + | + |<-Filter Operator [FIL_20] + | predicate:key is not null (type: boolean) + | Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + | TableScan [TS_1] + | alias:b + | Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + |<-Filter Operator [FIL_19] + predicate:key is not null (type: boolean) + Statistics:Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + TableScan [TS_0] + alias:a + Statistics:Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Reduce Output Operator [RS_12] + key expressions:_col0 (type: int) + Map-reduce partition columns:_col0 (type: int) + sort order:+ + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + value expressions:_col1 (type: bigint) + Group By Operator [GBY_11] + aggregations:["count()"] + keys:_col0 (type: int) + outputColumnNames:["_col0","_col1"] + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + Select Operator [SEL_10] + outputColumnNames:["_col0"] + Statistics:Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + Please refer to the previous Merge Join Operator [MERGEJOIN_21] +Stage-5 + Stats-Aggr Operator + Stage-1 + Move Operator + 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.dest2"} + Please refer to the previous Stage-3 + +PREHOOK: query: from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +PREHOOK: Output: default@dest1 +PREHOOK: Output: default@dest2 +POSTHOOK: query: from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +POSTHOOK: Output: default@dest1 +POSTHOOK: Output: default@dest2 +POSTHOOK: Lineage: dest1.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] +POSTHOOK: Lineage: dest1.value SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] +POSTHOOK: Lineage: dest2.cnt EXPRESSION [(tbl1)a.null, (tbl2)b.null, ] +POSTHOOK: Lineage: dest2.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] +PREHOOK: query: select * from dest1 +PREHOOK: type: QUERY +PREHOOK: Input: default@dest1 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest1 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest1 +#### A masked pattern was here #### +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +2 val_2 +4 val_4 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +8 val_8 +9 val_9 +PREHOOK: query: select * from dest2 +PREHOOK: type: QUERY +PREHOOK: Input: default@dest2 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest2 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest2 +#### A masked pattern was here #### +0 9 +2 1 +4 1 +5 9 +8 1 +9 1 diff --git ql/src/test/results/clientpositive/vector_auto_smb_mapjoin_14.q.out ql/src/test/results/clientpositive/vector_auto_smb_mapjoin_14.q.out new file mode 100644 index 0000000..827e6b5 --- /dev/null +++ ql/src/test/results/clientpositive/vector_auto_smb_mapjoin_14.q.out @@ -0,0 +1,1792 @@ +PREHOOK: query: -- SORT_QUERY_RESULTS + +CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@tbl1 +POSTHOOK: query: -- SORT_QUERY_RESULTS + +CREATE TABLE tbl1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +POSTHOOK: Output: default@tbl1 +PREHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@tbl2 +POSTHOOK: query: CREATE TABLE tbl2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS STORED AS ORC +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +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: 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 join is being performed as part of sub-query. It should be converted to a sort-merge join +explain +select count(*) from ( + select 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 join is being performed as part of sub-query. It should be converted to a sort-merge join +explain +select count(*) from ( + select 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: key is not null (type: boolean) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 key (type: int) + 1 key (type: int) + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select count(*) from ( + select 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 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 #### +22 +PREHOOK: query: -- The join 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 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 join 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 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-2 depends on stages: Stage-1 + Stage-0 depends on stages: Stage-2 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: key is not null (type: boolean) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 key (type: int) + 1 key (type: int) + outputColumnNames: _col0 + Group By Operator + aggregations: count() + keys: _col0 (type: int) + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: _col0 (type: int) + sort order: + + Map-reduce partition columns: _col0 (type: int) + value expressions: _col1 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + keys: KEY._col0 (type: int) + mode: mergepartial + outputColumnNames: _col0, _col1 + Select Operator + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + File Output Operator + compressed: false + table: + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe + + Stage: Stage-2 + Map Reduce + Map Operator Tree: + TableScan + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select count(*) from +( + select key, count(*) from + ( + select 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 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 #### +6 +PREHOOK: query: -- A join is being performed across different sub-queries, where a join is being performed in each of them. +-- Each sub-query should be converted to a sort-merge join. +explain +select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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 +PREHOOK: type: QUERY +POSTHOOK: query: -- A join is being performed across different sub-queries, where a join is being performed in each of them. +-- Each sub-query should be converted to a sort-merge join. +explain +select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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 +POSTHOOK: type: QUERY +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-2 depends on stages: Stage-1, Stage-4 + Stage-4 is a root stage + Stage-0 depends on stages: Stage-2 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: key is not null (type: boolean) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 key (type: int) + 1 key (type: int) + outputColumnNames: _col0 + Group By Operator + aggregations: count() + keys: _col0 (type: int) + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: _col0 (type: int) + sort order: + + Map-reduce partition columns: _col0 (type: int) + value expressions: _col1 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + keys: KEY._col0 (type: int) + mode: mergepartial + outputColumnNames: _col0, _col1 + File Output Operator + compressed: false + table: + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe + + Stage: Stage-2 + Map Reduce + Map Operator Tree: + TableScan + Reduce Output Operator + key expressions: _col0 (type: int) + sort order: + + Map-reduce partition columns: _col0 (type: int) + value expressions: _col1 (type: bigint) + TableScan + Reduce Output Operator + key expressions: _col0 (type: int) + sort order: + + Map-reduce partition columns: _col0 (type: int) + value expressions: _col1 (type: bigint) + Reduce Operator Tree: + Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 _col0 (type: int) + 1 _col0 (type: int) + outputColumnNames: _col0, _col1, _col3 + Select Operator + expressions: _col0 (type: int), _col1 (type: bigint), _col3 (type: bigint) + outputColumnNames: _col0, _col1, _col2 + File Output Operator + compressed: false + 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 + + Stage: Stage-4 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: key is not null (type: boolean) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 key (type: int) + 1 key (type: int) + outputColumnNames: _col0 + Group By Operator + aggregations: count() + keys: _col0 (type: int) + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: _col0 (type: int) + sort order: + + Map-reduce partition columns: _col0 (type: int) + value expressions: _col1 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + keys: KEY._col0 (type: int) + mode: mergepartial + outputColumnNames: _col0, _col1 + File Output Operator + compressed: false + table: + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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 +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +#### A masked pattern was here #### +POSTHOOK: query: select src1.key, src1.cnt1, src2.cnt1 from +( + select key, count(*) as cnt1 from + ( + select 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 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 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +#### A masked pattern was here #### +0 9 9 +2 1 1 +4 1 1 +5 9 9 +8 1 1 +9 1 1 +PREHOOK: query: -- The subquery itself is being joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join. +explain +select 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 joined. Since the sub-query only contains selects and filters, it should +-- be converted to a sort-merge join. +explain +select 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: (key < 6) (type: boolean) + Statistics: Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: key (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 _col0 (type: int) + 1 _col0 (type: int) + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select 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 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 #### +20 +PREHOOK: query: -- The subquery itself is being 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 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 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 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: (((key < 8) and (key < 6)) and key is not null) (type: boolean) + Statistics: Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: key (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 _col0 (type: int) + 1 key (type: int) + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select 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 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 #### +20 +PREHOOK: query: -- Both the tables 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 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 tables 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 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: (((key < 8) and (key < 6)) and key is not null) (type: boolean) + Statistics: Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: key (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 _col0 (type: int) + 1 _col0 (type: int) + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select 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 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 #### +20 +PREHOOK: query: -- The subquery itself is being 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 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 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 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: (key < 8) (type: boolean) + Statistics: Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: key (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 _col0 (type: int) + 1 _col0 (type: int) + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select 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 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 #### +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 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 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-2 depends on stages: Stage-1 + Stage-0 depends on stages: Stage-2 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: (key + 1) (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: _col0 is not null (type: boolean) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Reduce Output Operator + key expressions: _col0 (type: int) + sort order: + + Map-reduce partition columns: _col0 (type: int) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: (key + 1) (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: _col0 is not null (type: boolean) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Reduce Output Operator + key expressions: _col0 (type: int) + sort order: + + Map-reduce partition columns: _col0 (type: int) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Reduce Operator Tree: + Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 _col0 (type: int) + 1 _col0 (type: int) + Statistics: Num rows: 5 Data size: 511 Basic stats: COMPLETE Column stats: NONE + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + File Output Operator + compressed: false + table: + input format: org.apache.hadoop.mapred.SequenceFileInputFormat + output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat + serde: org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe + + Stage: Stage-2 + Map Reduce + Map Operator Tree: + TableScan + Reduce Output Operator + sort order: + Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + value expressions: _col0 (type: bigint) + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + File Output Operator + compressed: false + Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select 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 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 #### +22 +PREHOOK: query: -- One of the tables is a sub-query and the other is not. +-- It should be converted to a sort-merge join. +explain +select 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: -- One of the tables is a sub-query and the other is not. +-- It should be converted to a sort-merge join. +explain +select 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: (key < 6) (type: boolean) + Statistics: Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: key (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 _col0 (type: int) + 1 key (type: int) + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select 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 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 #### +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 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 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: (key < 6) (type: boolean) + Statistics: Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: key (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 3 Data size: 279 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + Inner Join 0 to 2 + keys: + 0 _col0 (type: int) + 1 _col0 (type: int) + 2 _col0 (type: int) + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select 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 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 #### +56 +PREHOOK: query: -- The join 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 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 join 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 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 +STAGE DEPENDENCIES: + Stage-1 is a root stage + Stage-0 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-1 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: (((key < 8) and (key < 6)) and key is not null) (type: boolean) + Statistics: Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Select Operator + expressions: key (type: int) + outputColumnNames: _col0 + Statistics: Num rows: 1 Data size: 93 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 _col0 (type: int) + 1 key (type: int) + Group By Operator + aggregations: count() + mode: hash + outputColumnNames: _col0 + Reduce Output Operator + sort order: + value expressions: _col0 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + mode: mergepartial + outputColumnNames: _col0 + File Output Operator + compressed: false + 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 + + Stage: Stage-0 + Fetch Operator + limit: -1 + Processor Tree: + ListSink + +PREHOOK: query: select count(*) from ( + select 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 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 #### +20 +PREHOOK: query: CREATE TABLE dest1(key int, value string) +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@dest1 +POSTHOOK: query: CREATE TABLE dest1(key int, value string) +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +POSTHOOK: Output: default@dest1 +PREHOOK: query: CREATE TABLE dest2(key int, val1 string, val2 string) +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@dest2 +POSTHOOK: query: CREATE TABLE dest2(key int, val1 string, val2 string) +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +POSTHOOK: Output: default@dest2 +PREHOOK: query: -- The join is followed by a multi-table insert. It should be converted to +-- a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2 +PREHOOK: type: QUERY +POSTHOOK: query: -- The join is followed by a multi-table insert. It should be converted to +-- a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2 +POSTHOOK: type: QUERY +STAGE DEPENDENCIES: + Stage-2 is a root stage + Stage-8 depends on stages: Stage-2 , consists of Stage-5, Stage-4, Stage-6 + Stage-5 + Stage-0 depends on stages: Stage-5, Stage-4, Stage-7 + Stage-3 depends on stages: Stage-0 + Stage-4 + Stage-6 + Stage-7 depends on stages: Stage-6 + Stage-14 depends on stages: Stage-2 , consists of Stage-11, Stage-10, Stage-12 + Stage-11 + Stage-1 depends on stages: Stage-11, Stage-10, Stage-13 + Stage-9 depends on stages: Stage-1 + Stage-10 + Stage-12 + Stage-13 depends on stages: Stage-12 + +STAGE PLANS: + Stage: Stage-2 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: key is not null (type: boolean) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 key (type: int) + 1 key (type: int) + outputColumnNames: _col0, _col1, _col6 + Select Operator + expressions: _col0 (type: int), _col1 (type: string), _col6 (type: string) + outputColumnNames: _col0, _col1, _col2 + Select Operator + expressions: _col0 (type: int), _col1 (type: string) + outputColumnNames: _col0, _col1 + File Output Operator + compressed: false + 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.dest1 + File Output Operator + compressed: false + 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.dest2 + Execution mode: vectorized + + Stage: Stage-8 + Conditional Operator + + Stage: Stage-5 + Move Operator + files: + hdfs directory: true +#### A masked pattern was here #### + + 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.dest1 + + Stage: Stage-3 + Stats-Aggr Operator + + Stage: Stage-4 + Map Reduce + Map Operator Tree: + TableScan + File Output Operator + compressed: false + 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.dest1 + + Stage: Stage-6 + Map Reduce + Map Operator Tree: + TableScan + File Output Operator + compressed: false + 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.dest1 + + Stage: Stage-7 + Move Operator + files: + hdfs directory: true +#### A masked pattern was here #### + + Stage: Stage-14 + Conditional Operator + + Stage: Stage-11 + Move Operator + files: + hdfs directory: true +#### A masked pattern was here #### + + Stage: Stage-1 + 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.dest2 + + Stage: Stage-9 + Stats-Aggr Operator + + Stage: Stage-10 + Map Reduce + Map Operator Tree: + TableScan + File Output Operator + compressed: false + 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.dest2 + + Stage: Stage-12 + Map Reduce + Map Operator Tree: + TableScan + File Output Operator + compressed: false + 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.dest2 + + Stage: Stage-13 + Move Operator + files: + hdfs directory: true +#### A masked pattern was here #### + +PREHOOK: query: from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2 +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +PREHOOK: Output: default@dest1 +PREHOOK: Output: default@dest2 +POSTHOOK: query: from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, val1, val2 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +POSTHOOK: Output: default@dest1 +POSTHOOK: Output: default@dest2 +POSTHOOK: Lineage: dest1.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] +POSTHOOK: Lineage: dest1.value SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] +POSTHOOK: Lineage: dest2.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] +POSTHOOK: Lineage: dest2.val1 SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] +POSTHOOK: Lineage: dest2.val2 SIMPLE [(tbl2)b.FieldSchema(name:value, type:string, comment:null), ] +PREHOOK: query: select * from dest1 +PREHOOK: type: QUERY +PREHOOK: Input: default@dest1 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest1 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest1 +#### A masked pattern was here #### +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +2 val_2 +4 val_4 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +8 val_8 +9 val_9 +PREHOOK: query: select * from dest2 +PREHOOK: type: QUERY +PREHOOK: Input: default@dest2 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest2 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest2 +#### A masked pattern was here #### +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +0 val_0 val_0 +2 val_2 val_2 +4 val_4 val_4 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +5 val_5 val_5 +8 val_8 val_8 +9 val_9 val_9 +PREHOOK: query: DROP TABLE dest2 +PREHOOK: type: DROPTABLE +PREHOOK: Input: default@dest2 +PREHOOK: Output: default@dest2 +POSTHOOK: query: DROP TABLE dest2 +POSTHOOK: type: DROPTABLE +POSTHOOK: Input: default@dest2 +POSTHOOK: Output: default@dest2 +PREHOOK: query: CREATE TABLE dest2(key int, cnt int) +PREHOOK: type: CREATETABLE +PREHOOK: Output: database:default +PREHOOK: Output: default@dest2 +POSTHOOK: query: CREATE TABLE dest2(key int, cnt int) +POSTHOOK: type: CREATETABLE +POSTHOOK: Output: database:default +POSTHOOK: Output: default@dest2 +PREHOOK: query: -- The join is followed by a multi-table insert, and one of the inserts involves a reducer. +-- It should be converted to a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key +PREHOOK: type: QUERY +POSTHOOK: query: -- The join is followed by a multi-table insert, and one of the inserts involves a reducer. +-- It should be converted to a sort-merge join +explain +from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key +POSTHOOK: type: QUERY +STAGE DEPENDENCIES: + Stage-2 is a root stage + Stage-8 depends on stages: Stage-2 , consists of Stage-5, Stage-4, Stage-6 + Stage-5 + Stage-0 depends on stages: Stage-5, Stage-4, Stage-7 + Stage-3 depends on stages: Stage-0 + Stage-4 + Stage-6 + Stage-7 depends on stages: Stage-6 + Stage-1 depends on stages: Stage-2 + Stage-9 depends on stages: Stage-1 + +STAGE PLANS: + Stage: Stage-2 + Map Reduce + Map Operator Tree: + TableScan + alias: a + Statistics: Num rows: 10 Data size: 930 Basic stats: COMPLETE Column stats: NONE + Filter Operator + predicate: key is not null (type: boolean) + Statistics: Num rows: 5 Data size: 465 Basic stats: COMPLETE Column stats: NONE + Sorted Merge Bucket Map Join Operator + condition map: + Inner Join 0 to 1 + keys: + 0 key (type: int) + 1 key (type: int) + outputColumnNames: _col0, _col1 + File Output Operator + compressed: false + 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.dest1 + Select Operator + expressions: _col0 (type: int) + outputColumnNames: _col0 + Group By Operator + aggregations: count() + keys: _col0 (type: int) + mode: hash + outputColumnNames: _col0, _col1 + Reduce Output Operator + key expressions: _col0 (type: int) + sort order: + + Map-reduce partition columns: _col0 (type: int) + value expressions: _col1 (type: bigint) + Execution mode: vectorized + Reduce Operator Tree: + Group By Operator + aggregations: count(VALUE._col0) + keys: KEY._col0 (type: int) + mode: mergepartial + outputColumnNames: _col0, _col1 + Select Operator + expressions: _col0 (type: int), UDFToInteger(_col1) (type: int) + outputColumnNames: _col0, _col1 + File Output Operator + compressed: false + 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.dest2 + + Stage: Stage-8 + Conditional Operator + + Stage: Stage-5 + Move Operator + files: + hdfs directory: true +#### A masked pattern was here #### + + 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.dest1 + + Stage: Stage-3 + Stats-Aggr Operator + + Stage: Stage-4 + Map Reduce + Map Operator Tree: + TableScan + File Output Operator + compressed: false + 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.dest1 + + Stage: Stage-6 + Map Reduce + Map Operator Tree: + TableScan + File Output Operator + compressed: false + 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.dest1 + + Stage: Stage-7 + Move Operator + files: + hdfs directory: true +#### A masked pattern was here #### + + Stage: Stage-1 + 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.dest2 + + Stage: Stage-9 + Stats-Aggr Operator + +PREHOOK: query: from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key +PREHOOK: type: QUERY +PREHOOK: Input: default@tbl1 +PREHOOK: Input: default@tbl2 +PREHOOK: Output: default@dest1 +PREHOOK: Output: default@dest2 +POSTHOOK: query: from ( + select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2 b on a.key = b.key +) subq1 +insert overwrite table dest1 select key, val1 +insert overwrite table dest2 select key, count(*) group by key +POSTHOOK: type: QUERY +POSTHOOK: Input: default@tbl1 +POSTHOOK: Input: default@tbl2 +POSTHOOK: Output: default@dest1 +POSTHOOK: Output: default@dest2 +POSTHOOK: Lineage: dest1.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] +POSTHOOK: Lineage: dest1.value SIMPLE [(tbl1)a.FieldSchema(name:value, type:string, comment:null), ] +POSTHOOK: Lineage: dest2.cnt EXPRESSION [(tbl1)a.null, (tbl2)b.null, ] +POSTHOOK: Lineage: dest2.key SIMPLE [(tbl1)a.FieldSchema(name:key, type:int, comment:null), ] +PREHOOK: query: select * from dest1 +PREHOOK: type: QUERY +PREHOOK: Input: default@dest1 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest1 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest1 +#### A masked pattern was here #### +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +0 val_0 +2 val_2 +4 val_4 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +5 val_5 +8 val_8 +9 val_9 +PREHOOK: query: select * from dest2 +PREHOOK: type: QUERY +PREHOOK: Input: default@dest2 +#### A masked pattern was here #### +POSTHOOK: query: select * from dest2 +POSTHOOK: type: QUERY +POSTHOOK: Input: default@dest2 +#### A masked pattern was here #### +0 9 +2 1 +4 1 +5 9 +8 1 +9 1