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Posted to commits@hive.apache.org by pr...@apache.org on 2015/09/25 20:42:28 UTC
[18/25] hive git commit: HIVE-11517 Vectorized auto_smb_mapjoin_14.q
produces different results (Matt McCline, reviewed by Vikram Dixit K)
http://git-wip-us.apache.org/repos/asf/hive/blob/461e38ec/ql/src/test/results/clientpositive/vector_auto_smb_mapjoin_14.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/vector_auto_smb_mapjoin_14.q.out b/ql/src/test/results/clientpositive/vector_auto_smb_mapjoin_14.q.out
new file mode 100644
index 0000000..827e6b5
--- /dev/null
+++ b/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