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Posted to commits@hive.apache.org by xu...@apache.org on 2014/10/27 20:57:03 UTC
svn commit: r1634671 [33/46] - in /hive/branches/spark:
itests/src/test/resources/ ql/src/test/results/clientpositive/spark/
Added: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt14.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt14.q.out?rev=1634671&view=auto
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt14.q.out (added)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt14.q.out Mon Oct 27 19:56:58 2014
@@ -0,0 +1,199 @@
+PREHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t1
+PREHOOK: query: CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t2
+PREHOOK: query: CREATE TABLE T3(key STRING, val STRING)
+SKEWED BY (val) ON ((12)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T3
+POSTHOOK: query: CREATE TABLE T3(key STRING, val STRING)
+SKEWED BY (val) ON ((12)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T3
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T3.txt' INTO TABLE T3
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t3
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T3.txt' INTO TABLE T3
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t3
+PREHOOK: query: -- This test is for skewed join compile time optimization for more than 2 tables.
+-- The join key for table 3 is different from the join key used for joining
+-- tables 1 and 2. Tables 1 and 3 are skewed. Since one of the join sources for table
+-- 3 consist of a sub-query which contains a join, the compile time skew join
+-- optimization is not enabled for table 3, but it is used for the first join between
+-- tables 1 and 2
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+select *
+from
+T1 a join T2 b on a.key = b.key
+join T3 c on a.val = c.val
+PREHOOK: type: QUERY
+POSTHOOK: query: -- This test is for skewed join compile time optimization for more than 2 tables.
+-- The join key for table 3 is different from the join key used for joining
+-- tables 1 and 2. Tables 1 and 3 are skewed. Since one of the join sources for table
+-- 3 consist of a sub-query which contains a join, the compile time skew join
+-- optimization is not enabled for table 3, but it is used for the first join between
+-- tables 1 and 2
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+select *
+from
+T1 a join T2 b on a.key = b.key
+join T3 c on a.val = c.val
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-1 is a root stage
+ Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+ Stage: Stage-1
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 5 (GROUP PARTITION-LEVEL SORT, 1)
+ Reducer 3 <- Map 4 (GROUP PARTITION-LEVEL SORT, 1), Reducer 2 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Map 4
+ Map Operator Tree:
+ TableScan
+ alias: c
+ Statistics: Num rows: 0 Data size: 20 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: val is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: val (type: string)
+ sort order: +
+ Map-reduce partition columns: val (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: key (type: string)
+ Map 5
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: (key is not null and val is not null) (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {VALUE._col0}
+ 1 {KEY.reducesinkkey0} {VALUE._col0}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: _col1 (type: string)
+ sort order: +
+ Map-reduce partition columns: _col1 (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: _col0 (type: string), _col5 (type: string), _col6 (type: string)
+ Reducer 3
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {VALUE._col0} {KEY.reducesinkkey0} {VALUE._col4} {VALUE._col5}
+ 1 {VALUE._col0} {KEY.reducesinkkey0}
+ outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string), _col10 (type: string), _col11 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 *
+from
+T1 a join T2 b on a.key = b.key
+join T3 c on a.val = c.val
+order by a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+PREHOOK: Input: default@t3
+#### A masked pattern was here ####
+POSTHOOK: query: select *
+from
+T1 a join T2 b on a.key = b.key
+join T3 c on a.val = c.val
+order by a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+POSTHOOK: Input: default@t3
+#### A masked pattern was here ####
+2 12 2 22 2 12
Added: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt15.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt15.q.out?rev=1634671&view=auto
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt15.q.out (added)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt15.q.out Mon Oct 27 19:56:58 2014
@@ -0,0 +1,464 @@
+PREHOOK: query: CREATE TABLE tmpT1(key STRING, val STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@tmpT1
+POSTHOOK: query: CREATE TABLE tmpT1(key STRING, val STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@tmpT1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE tmpT1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@tmpt1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE tmpT1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@tmpt1
+PREHOOK: query: -- testing skew on other data types - int
+CREATE TABLE T1(key INT, val STRING) SKEWED BY (key) ON ((2))
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: -- testing skew on other data types - int
+CREATE TABLE T1(key INT, val STRING) SKEWED BY (key) ON ((2))
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: INSERT OVERWRITE TABLE T1 SELECT key, val FROM tmpT1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tmpt1
+PREHOOK: Output: default@t1
+[Error 30017]: Skipping stats aggregation by error org.apache.hadoop.hive.ql.metadata.HiveException: [Error 30015]: Stats aggregator of type counter cannot be connected to
+POSTHOOK: query: INSERT OVERWRITE TABLE T1 SELECT key, val FROM tmpT1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tmpt1
+POSTHOOK: Output: default@t1
+POSTHOOK: Lineage: t1.key EXPRESSION [(tmpt1)tmpt1.FieldSchema(name:key, type:string, comment:null), ]
+POSTHOOK: Lineage: t1.val SIMPLE [(tmpt1)tmpt1.FieldSchema(name:val, type:string, comment:null), ]
+PREHOOK: query: CREATE TABLE tmpT2(key STRING, val STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@tmpT2
+POSTHOOK: query: CREATE TABLE tmpT2(key STRING, val STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@tmpT2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE tmpT2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@tmpt2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE tmpT2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@tmpt2
+PREHOOK: query: CREATE TABLE T2(key INT, val STRING) SKEWED BY (key) ON ((3))
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: CREATE TABLE T2(key INT, val STRING) SKEWED BY (key) ON ((3))
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: INSERT OVERWRITE TABLE T2 SELECT key, val FROM tmpT2
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tmpt2
+PREHOOK: Output: default@t2
+[Error 30017]: Skipping stats aggregation by error org.apache.hadoop.hive.ql.metadata.HiveException: [Error 30015]: Stats aggregator of type counter cannot be connected to
+POSTHOOK: query: INSERT OVERWRITE TABLE T2 SELECT key, val FROM tmpT2
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tmpt2
+POSTHOOK: Output: default@t2
+POSTHOOK: Lineage: t2.key EXPRESSION [(tmpt2)tmpt2.FieldSchema(name:key, type:string, comment:null), ]
+POSTHOOK: Lineage: t2.val SIMPLE [(tmpt2)tmpt2.FieldSchema(name:val, type:string, comment:null), ]
+PREHOOK: query: -- The skewed key is a integer column.
+-- Otherwise this test is similar to skewjoinopt1.q
+-- Both the joined tables are skewed, and the joined column
+-- is an integer
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- The skewed key is a integer column.
+-- Otherwise this test is similar to skewjoinopt1.q
+-- Both the joined tables are skewed, and the joined column
+-- is an integer
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: int)
+ sort order: +
+ Map-reduce partition columns: key (type: int)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: int)
+ sort order: +
+ Map-reduce partition columns: key (type: int)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {VALUE._col0}
+ 1 {KEY.reducesinkkey0} {VALUE._col0}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+2 12 2 22
+3 13 3 13
+8 18 8 18
+8 18 8 18
+8 28 8 18
+8 28 8 18
+PREHOOK: query: -- test outer joins also
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a RIGHT OUTER JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- test outer joins also
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a RIGHT OUTER JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: int)
+ sort order: +
+ Map-reduce partition columns: key (type: int)
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ value expressions: val (type: string)
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: int)
+ sort order: +
+ Map-reduce partition columns: key (type: int)
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ value expressions: val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Right Outer Join0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {VALUE._col0}
+ 1 {KEY.reducesinkkey0} {VALUE._col0}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 33 Basic stats: PARTIAL Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: int), _col1 (type: string), _col5 (type: int), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 33 Basic stats: PARTIAL Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 33 Basic stats: PARTIAL 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 a.*, b.* FROM T1 a RIGHT OUTER JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a RIGHT OUTER JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+NULL NULL 4 14
+NULL NULL 5 15
+2 12 2 22
+3 13 3 13
+8 18 8 18
+8 18 8 18
+8 28 8 18
+8 28 8 18
+PREHOOK: query: -- an aggregation at the end should not change anything
+
+EXPLAIN
+SELECT count(1) FROM T1 a JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- an aggregation at the end should not change anything
+
+EXPLAIN
+SELECT count(1) FROM T1 a JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 4 (GROUP PARTITION-LEVEL SORT, 1)
+ Reducer 3 <- Reducer 2 (GROUP, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 4 Data size: 17 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: int)
+ sort order: +
+ Map-reduce partition columns: key (type: int)
+ Statistics: Num rows: 4 Data size: 17 Basic stats: COMPLETE Column stats: NONE
+ Map 4
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 4 Data size: 17 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: int)
+ sort order: +
+ Map-reduce partition columns: key (type: int)
+ Statistics: Num rows: 4 Data size: 17 Basic stats: COMPLETE Column stats: NONE
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0
+ 1
+ Statistics: Num rows: 4 Data size: 18 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ Statistics: Num rows: 4 Data size: 18 Basic stats: COMPLETE Column stats: NONE
+ Group By Operator
+ aggregations: count(1)
+ mode: hash
+ outputColumnNames: _col0
+ Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ sort order:
+ Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+ value expressions: _col0 (type: bigint)
+ Reducer 3
+ 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
+ Select Operator
+ expressions: _col0 (type: bigint)
+ 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(1) FROM T1 a JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT count(1) FROM T1 a JOIN T2 b ON a.key = b.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+6
+PREHOOK: query: EXPLAIN
+SELECT count(1) FROM T1 a RIGHT OUTER JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: EXPLAIN
+SELECT count(1) FROM T1 a RIGHT OUTER JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 4 (GROUP PARTITION-LEVEL SORT, 1)
+ Reducer 3 <- Reducer 2 (GROUP, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: int)
+ sort order: +
+ Map-reduce partition columns: key (type: int)
+ Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+ Map 4
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: int)
+ sort order: +
+ Map-reduce partition columns: key (type: int)
+ Statistics: Num rows: 7 Data size: 30 Basic stats: COMPLETE Column stats: NONE
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Right Outer Join0 to 1
+ condition expressions:
+ 0
+ 1
+ Statistics: Num rows: 7 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ Statistics: Num rows: 7 Data size: 33 Basic stats: COMPLETE Column stats: NONE
+ Group By Operator
+ aggregations: count(1)
+ mode: hash
+ outputColumnNames: _col0
+ Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ sort order:
+ Statistics: Num rows: 1 Data size: 8 Basic stats: COMPLETE Column stats: NONE
+ value expressions: _col0 (type: bigint)
+ Reducer 3
+ 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
+ Select Operator
+ expressions: _col0 (type: bigint)
+ 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(1) FROM T1 a RIGHT OUTER JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT count(1) FROM T1 a RIGHT OUTER JOIN T2 b ON a.key = b.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+8
Added: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt16.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt16.q.out?rev=1634671&view=auto
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt16.q.out (added)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt16.q.out Mon Oct 27 19:56:58 2014
@@ -0,0 +1,130 @@
+PREHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key, val) ON ((2, 12)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key, val) ON ((2, 12)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t1
+PREHOOK: query: CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((3)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((3)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t2
+PREHOOK: query: -- One of the tables is skewed by 2 columns, and the other table is
+-- skewed by one column. Ths join is performed on the both the columns
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
+PREHOOK: type: QUERY
+POSTHOOK: query: -- One of the tables is skewed by 2 columns, and the other table is
+-- skewed by one column. Ths join is performed on the both the columns
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-1 is a root stage
+ Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+ Stage: Stage-1
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: (key is not null and val is not null) (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string), val (type: string)
+ sort order: ++
+ Map-reduce partition columns: key (type: string), val (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: (key is not null and val is not null) (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string), val (type: string)
+ sort order: ++
+ Map-reduce partition columns: key (type: string), val (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {KEY.reducesinkkey1}
+ 1 {KEY.reducesinkkey0} {KEY.reducesinkkey1}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+3 13 3 13
+8 18 8 18
+8 18 8 18
Added: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt17.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt17.q.out?rev=1634671&view=auto
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt17.q.out (added)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt17.q.out Mon Oct 27 19:56:58 2014
@@ -0,0 +1,285 @@
+PREHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key, val) ON ((2, 12)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key, val) ON ((2, 12)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t1
+PREHOOK: query: CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t2
+PREHOOK: query: -- One of the tables is skewed by 2 columns, and the other table is
+-- skewed by one column. Ths join is performed on the first skewed column
+-- The skewed value for the jon key is common to both the tables.
+-- In this case, the skewed join value is not repeated in the filter.
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- One of the tables is skewed by 2 columns, and the other table is
+-- skewed by one column. Ths join is performed on the first skewed column
+-- The skewed value for the jon key is common to both the tables.
+-- In this case, the skewed join value is not repeated in the filter.
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {VALUE._col0}
+ 1 {KEY.reducesinkkey0} {VALUE._col0}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+2 12 2 22
+3 13 3 13
+8 18 8 18
+8 18 8 18
+8 28 8 18
+8 28 8 18
+PREHOOK: query: DROP TABLE T1
+PREHOOK: type: DROPTABLE
+PREHOOK: Input: default@t1
+PREHOOK: Output: default@t1
+POSTHOOK: query: DROP TABLE T1
+POSTHOOK: type: DROPTABLE
+POSTHOOK: Input: default@t1
+POSTHOOK: Output: default@t1
+PREHOOK: query: DROP TABLE T2
+PREHOOK: type: DROPTABLE
+PREHOOK: Input: default@t2
+PREHOOK: Output: default@t2
+POSTHOOK: query: DROP TABLE T2
+POSTHOOK: type: DROPTABLE
+POSTHOOK: Input: default@t2
+POSTHOOK: Output: default@t2
+PREHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key, val) ON ((2, 12)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key, val) ON ((2, 12)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t1
+PREHOOK: query: CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t2
+PREHOOK: query: -- One of the tables is skewed by 2 columns, and the other table is
+-- skewed by one column. Ths join is performed on the both the columns
+-- In this case, the skewed join value is repeated in the filter.
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
+PREHOOK: type: QUERY
+POSTHOOK: query: -- One of the tables is skewed by 2 columns, and the other table is
+-- skewed by one column. Ths join is performed on the both the columns
+-- In this case, the skewed join value is repeated in the filter.
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-1 is a root stage
+ Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+ Stage: Stage-1
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: (key is not null and val is not null) (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string), val (type: string)
+ sort order: ++
+ Map-reduce partition columns: key (type: string), val (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: (key is not null and val is not null) (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string), val (type: string)
+ sort order: ++
+ Map-reduce partition columns: key (type: string), val (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {KEY.reducesinkkey1}
+ 1 {KEY.reducesinkkey0} {KEY.reducesinkkey1}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key and a.val = b.val
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+3 13 3 13
+8 18 8 18
+8 18 8 18
Added: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt18.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt18.q.out?rev=1634671&view=auto
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt18.q.out (added)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt18.q.out Mon Oct 27 19:56:58 2014
@@ -0,0 +1,162 @@
+PREHOOK: query: CREATE TABLE tmpT1(key STRING, val STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@tmpT1
+POSTHOOK: query: CREATE TABLE tmpT1(key STRING, val STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@tmpT1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE tmpT1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@tmpt1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE tmpT1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@tmpt1
+PREHOOK: query: -- testing skew on other data types - int
+CREATE TABLE T1(key INT, val STRING) SKEWED BY (key) ON ((2))
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: -- testing skew on other data types - int
+CREATE TABLE T1(key INT, val STRING) SKEWED BY (key) ON ((2))
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: INSERT OVERWRITE TABLE T1 SELECT key, val FROM tmpT1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tmpt1
+PREHOOK: Output: default@t1
+[Error 30017]: Skipping stats aggregation by error org.apache.hadoop.hive.ql.metadata.HiveException: [Error 30015]: Stats aggregator of type counter cannot be connected to
+POSTHOOK: query: INSERT OVERWRITE TABLE T1 SELECT key, val FROM tmpT1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tmpt1
+POSTHOOK: Output: default@t1
+POSTHOOK: Lineage: t1.key EXPRESSION [(tmpt1)tmpt1.FieldSchema(name:key, type:string, comment:null), ]
+POSTHOOK: Lineage: t1.val SIMPLE [(tmpt1)tmpt1.FieldSchema(name:val, type:string, comment:null), ]
+PREHOOK: query: -- Tke skewed column is same in both the tables, however it is
+-- INT in one of the tables, and STRING in the other table
+
+CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((3)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: -- Tke skewed column is same in both the tables, however it is
+-- INT in one of the tables, and STRING in the other table
+
+CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((3)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t2
+PREHOOK: query: -- Once HIVE-3445 is fixed, the compile time skew join optimization would be
+-- applicable here. Till the above jira is fixed, it would be performed as a
+-- regular join
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- Once HIVE-3445 is fixed, the compile time skew join optimization would be
+-- applicable here. Till the above jira is fixed, it would be performed as a
+-- regular join
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: UDFToDouble(key) is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: UDFToDouble(key) (type: double)
+ sort order: +
+ Map-reduce partition columns: UDFToDouble(key) (type: double)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: key (type: string), val (type: string)
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: UDFToDouble(key) is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: UDFToDouble(key) (type: double)
+ sort order: +
+ Map-reduce partition columns: UDFToDouble(key) (type: double)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: key (type: int), val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {VALUE._col0} {VALUE._col1}
+ 1 {VALUE._col0} {VALUE._col1}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: int), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+2 12 2 22
+3 13 3 13
+8 18 8 18
+8 18 8 18
+8 28 8 18
+8 28 8 18
Added: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt19.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt19.q.out?rev=1634671&view=auto
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt19.q.out (added)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt19.q.out Mon Oct 27 19:56:58 2014
@@ -0,0 +1,137 @@
+PREHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+CLUSTERED BY (key) INTO 4 BUCKETS
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+CLUSTERED BY (key) INTO 4 BUCKETS
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t1
+PREHOOK: query: CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t2
+PREHOOK: query: -- add a test where the skewed key is also the bucketized key
+-- it should not matter, and the compile time skewed join
+-- optimization is performed
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- add a test where the skewed key is also the bucketized key
+-- it should not matter, and the compile time skewed join
+-- optimization is performed
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {VALUE._col0}
+ 1 {KEY.reducesinkkey0} {VALUE._col0}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+2 12 2 22
+3 13 3 13
+8 18 8 18
+8 18 8 18
+8 28 8 18
+8 28 8 18
Added: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt20.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt20.q.out?rev=1634671&view=auto
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt20.q.out (added)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt20.q.out Mon Oct 27 19:56:58 2014
@@ -0,0 +1,137 @@
+PREHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+CLUSTERED BY (key) SORTED BY (key) INTO 4 BUCKETS
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+CLUSTERED BY (key) SORTED BY (key) INTO 4 BUCKETS
+SKEWED BY (key) ON ((2)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t1
+PREHOOK: query: CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t2
+PREHOOK: query: -- add a test where the skewed key is also the bucketized/sorted key
+-- it should not matter, and the compile time skewed join
+-- optimization is performed
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- add a test where the skewed key is also the bucketized/sorted key
+-- it should not matter, and the compile time skewed join
+-- optimization is performed
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {VALUE._col0}
+ 1 {KEY.reducesinkkey0} {VALUE._col0}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+2 12 2 22
+3 13 3 13
+8 18 8 18
+8 18 8 18
+8 28 8 18
+8 28 8 18
Added: hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt3.q.out
URL: http://svn.apache.org/viewvc/hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt3.q.out?rev=1634671&view=auto
==============================================================================
--- hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt3.q.out (added)
+++ hive/branches/spark/ql/src/test/results/clientpositive/spark/skewjoinopt3.q.out Mon Oct 27 19:56:58 2014
@@ -0,0 +1,230 @@
+PREHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key) ON ((2), (8)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T1
+POSTHOOK: query: CREATE TABLE T1(key STRING, val STRING)
+SKEWED BY (key) ON ((2), (8)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T1
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t1
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T1.txt' INTO TABLE T1
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t1
+PREHOOK: query: CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((3), (8)) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@T2
+POSTHOOK: query: CREATE TABLE T2(key STRING, val STRING)
+SKEWED BY (key) ON ((3), (8)) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@T2
+PREHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+PREHOOK: type: LOAD
+#### A masked pattern was here ####
+PREHOOK: Output: default@t2
+POSTHOOK: query: LOAD DATA LOCAL INPATH '../../data/files/T2.txt' INTO TABLE T2
+POSTHOOK: type: LOAD
+#### A masked pattern was here ####
+POSTHOOK: Output: default@t2
+PREHOOK: query: -- a simple query with skew on both the tables. One of the skewed
+-- value is common to both the tables. The skewed value should not be
+-- repeated in the filter.
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- a simple query with skew on both the tables. One of the skewed
+-- value is common to both the tables. The skewed value should not be
+-- repeated in the filter.
+-- adding a order by at the end to make the results deterministic
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ value expressions: val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {VALUE._col0}
+ 1 {KEY.reducesinkkey0} {VALUE._col0}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 0 Basic stats: NONE 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 a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+2 12 2 22
+3 13 3 13
+8 18 8 18
+8 18 8 18
+8 28 8 18
+8 28 8 18
+PREHOOK: query: -- test outer joins also
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a FULL OUTER JOIN T2 b ON a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: -- test outer joins also
+
+EXPLAIN
+SELECT a.*, b.* FROM T1 a FULL OUTER JOIN T2 b ON a.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
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP PARTITION-LEVEL SORT, 1), Map 3 (GROUP PARTITION-LEVEL SORT, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ value expressions: val (type: string)
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ Reduce Output Operator
+ key expressions: key (type: string)
+ sort order: +
+ Map-reduce partition columns: key (type: string)
+ Statistics: Num rows: 0 Data size: 30 Basic stats: PARTIAL Column stats: NONE
+ value expressions: val (type: string)
+ Reducer 2
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Outer Join 0 to 1
+ condition expressions:
+ 0 {KEY.reducesinkkey0} {VALUE._col0}
+ 1 {KEY.reducesinkkey0} {VALUE._col0}
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 0 Data size: 33 Basic stats: PARTIAL Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string), _col6 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 0 Data size: 33 Basic stats: PARTIAL Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 0 Data size: 33 Basic stats: PARTIAL 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 a.*, b.* FROM T1 a FULL OUTER JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+PREHOOK: type: QUERY
+PREHOOK: Input: default@t1
+PREHOOK: Input: default@t2
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT a.*, b.* FROM T1 a FULL OUTER JOIN T2 b ON a.key = b.key
+ORDER BY a.key, b.key, a.val, b.val
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@t1
+POSTHOOK: Input: default@t2
+#### A masked pattern was here ####
+NULL NULL 4 14
+NULL NULL 5 15
+1 11 NULL NULL
+2 12 2 22
+3 13 3 13
+7 17 NULL NULL
+8 18 8 18
+8 18 8 18
+8 28 8 18
+8 28 8 18