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Posted to commits@hive.apache.org by xu...@apache.org on 2015/09/16 21:18:28 UTC
[10/50] [abbrv] hive git commit: HIVE-11606: Bucket map joins fail at
hash table construction time (Vikram Dixit K, reviewed by Sergey Shelukhin)
HIVE-11606: Bucket map joins fail at hash table construction time (Vikram Dixit K, reviewed by Sergey Shelukhin)
Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/9fe8802c
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/9fe8802c
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/9fe8802c
Branch: refs/heads/spark
Commit: 9fe8802cb83e05c0392b11b8dcfe354fecfda786
Parents: 4ea8e29
Author: vikram <vi...@hortonworks.com>
Authored: Thu Sep 10 13:29:34 2015 -0700
Committer: vikram <vi...@hortonworks.com>
Committed: Thu Sep 10 13:30:24 2015 -0700
----------------------------------------------------------------------
.../apache/hadoop/hive/ql/exec/Operator.java | 3 +-
.../ql/optimizer/ReduceSinkMapJoinProc.java | 11 +-
.../clientpositive/bucket_map_join_tez1.q | 22 ++
.../spark/bucket_map_join_tez1.q.out | 226 +++++++++++++++++++
.../tez/bucket_map_join_tez1.q.out | 210 +++++++++++++++++
5 files changed, 469 insertions(+), 3 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hive/blob/9fe8802c/ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java
index acbe504..92e5446 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java
@@ -319,6 +319,7 @@ public abstract class Operator<T extends OperatorDesc> implements Serializable,C
@SuppressWarnings("unchecked")
public final void initialize(Configuration hconf, ObjectInspector[] inputOIs)
throws HiveException {
+ this.done = false;
if (state == State.INIT) {
return;
}
@@ -369,7 +370,7 @@ public abstract class Operator<T extends OperatorDesc> implements Serializable,C
}
if (isLogInfoEnabled) {
- LOG.info("Initialization Done " + id + " " + getName());
+ LOG.info("Initialization Done " + id + " " + getName() + " done is reset.");
}
initializeChildren(hconf);
http://git-wip-us.apache.org/repos/asf/hive/blob/9fe8802c/ql/src/java/org/apache/hadoop/hive/ql/optimizer/ReduceSinkMapJoinProc.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/optimizer/ReduceSinkMapJoinProc.java b/ql/src/java/org/apache/hadoop/hive/ql/optimizer/ReduceSinkMapJoinProc.java
index 71c766f..757ff5e 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/optimizer/ReduceSinkMapJoinProc.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/optimizer/ReduceSinkMapJoinProc.java
@@ -215,8 +215,15 @@ public class ReduceSinkMapJoinProc implements NodeProcessor {
tableSize /= bucketCount;
}
}
- LOG.info("Mapjoin " + mapJoinOp + ", pos: " + pos + " --> " + parentWork.getName() + " ("
- + keyCount + " keys estimated from " + rowCount + " rows, " + bucketCount + " buckets)");
+ if (keyCount == 0) {
+ keyCount = 1;
+ }
+ if (tableSize == 0) {
+ tableSize = 1;
+ }
+ LOG.info("Mapjoin " + mapJoinOp + "(bucket map join = )" + joinConf.isBucketMapJoin()
+ + ", pos: " + pos + " --> " + parentWork.getName() + " (" + keyCount
+ + " keys estimated from " + rowCount + " rows, " + bucketCount + " buckets)");
joinConf.getParentToInput().put(pos, parentWork.getName());
if (keyCount != Long.MAX_VALUE) {
joinConf.getParentKeyCounts().put(pos, keyCount);
http://git-wip-us.apache.org/repos/asf/hive/blob/9fe8802c/ql/src/test/queries/clientpositive/bucket_map_join_tez1.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/bucket_map_join_tez1.q b/ql/src/test/queries/clientpositive/bucket_map_join_tez1.q
index 0f9dd6d..8546e78 100644
--- a/ql/src/test/queries/clientpositive/bucket_map_join_tez1.q
+++ b/ql/src/test/queries/clientpositive/bucket_map_join_tez1.q
@@ -95,3 +95,25 @@ explain select a.key, b.key from tab_part a join tab_part c on a.key = c.key joi
explain
select a.key, a.value, b.value
from tab a join tab_part b on a.key = b.key and a.ds = b.ds;
+
+set hive.mapjoin.hybridgrace.hashtable = false;
+insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411;
+
+explain
+select count(*)
+from tab_part a join tab b on a.key = b.key;
+
+select count(*)
+from tab_part a join tab b on a.key = b.key;
+
+set hive.mapjoin.hybridgrace.hashtable = false;
+insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411;
+
+explain
+select count(*)
+from tab_part a join tab b on a.key = b.key;
+
+select count(*)
+from tab_part a join tab b on a.key = b.key;
http://git-wip-us.apache.org/repos/asf/hive/blob/9fe8802c/ql/src/test/results/clientpositive/spark/bucket_map_join_tez1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/spark/bucket_map_join_tez1.q.out b/ql/src/test/results/clientpositive/spark/bucket_map_join_tez1.q.out
index 34ddc90..2c14065 100644
--- a/ql/src/test/results/clientpositive/spark/bucket_map_join_tez1.q.out
+++ b/ql/src/test/results/clientpositive/spark/bucket_map_join_tez1.q.out
@@ -1424,3 +1424,229 @@ STAGE PLANS:
Processor Tree:
ListSink
+PREHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+PREHOOK: type: QUERY
+PREHOOK: Input: default@srcbucket_mapjoin
+PREHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
+PREHOOK: Output: default@tab@ds=2008-04-08
+POSTHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@srcbucket_mapjoin
+POSTHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
+POSTHOOK: Output: default@tab@ds=2008-04-08
+POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).key SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:key, type:int, comment:null), ]
+POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).value SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:value, type:string, comment:null), ]
+PREHOOK: query: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-2 is a root stage
+ Stage-1 depends on stages: Stage-2
+ Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+ Stage: Stage-2
+ Spark
+#### A masked pattern was here ####
+ Vertices:
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+ Spark HashTable Sink Operator
+ keys:
+ 0 key (type: int)
+ 1 key (type: int)
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-1
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0 key (type: int)
+ 1 key (type: int)
+ input vertices:
+ 1 Map 3
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ sort order:
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Local Work:
+ Map Reduce Local Work
+ Reducer 2
+ Reduce Operator Tree:
+ Group By Operator
+ aggregations: count()
+ mode: complete
+ 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 tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tab
+PREHOOK: Input: default@tab@ds=2008-04-08
+PREHOOK: Input: default@tab_part
+PREHOOK: Input: default@tab_part@ds=2008-04-08
+#### A masked pattern was here ####
+POSTHOOK: query: select count(*)
+from tab_part a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tab
+POSTHOOK: Input: default@tab@ds=2008-04-08
+POSTHOOK: Input: default@tab_part
+POSTHOOK: Input: default@tab_part@ds=2008-04-08
+#### A masked pattern was here ####
+1
+PREHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+PREHOOK: type: QUERY
+PREHOOK: Input: default@srcbucket_mapjoin
+PREHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
+PREHOOK: Output: default@tab@ds=2008-04-08
+POSTHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@srcbucket_mapjoin
+POSTHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
+POSTHOOK: Output: default@tab@ds=2008-04-08
+POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).key SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:key, type:int, comment:null), ]
+POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).value SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:value, type:string, comment:null), ]
+PREHOOK: query: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-2 is a root stage
+ Stage-1 depends on stages: Stage-2
+ Stage-0 depends on stages: Stage-1
+
+STAGE PLANS:
+ Stage: Stage-2
+ Spark
+#### A masked pattern was here ####
+ Vertices:
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+ Spark HashTable Sink Operator
+ keys:
+ 0 key (type: int)
+ 1 key (type: int)
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-1
+ Spark
+ Edges:
+ Reducer 2 <- Map 1 (GROUP, 1)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0 key (type: int)
+ 1 key (type: int)
+ input vertices:
+ 1 Map 3
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ sort order:
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Local Work:
+ Map Reduce Local Work
+ Reducer 2
+ Reduce Operator Tree:
+ Group By Operator
+ aggregations: count()
+ mode: complete
+ 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 tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tab
+PREHOOK: Input: default@tab@ds=2008-04-08
+PREHOOK: Input: default@tab_part
+PREHOOK: Input: default@tab_part@ds=2008-04-08
+#### A masked pattern was here ####
+POSTHOOK: query: select count(*)
+from tab_part a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tab
+POSTHOOK: Input: default@tab@ds=2008-04-08
+POSTHOOK: Input: default@tab_part
+POSTHOOK: Input: default@tab_part@ds=2008-04-08
+#### A masked pattern was here ####
+1
http://git-wip-us.apache.org/repos/asf/hive/blob/9fe8802c/ql/src/test/results/clientpositive/tez/bucket_map_join_tez1.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/tez/bucket_map_join_tez1.q.out b/ql/src/test/results/clientpositive/tez/bucket_map_join_tez1.q.out
index 8338672..af5e6e6 100644
--- a/ql/src/test/results/clientpositive/tez/bucket_map_join_tez1.q.out
+++ b/ql/src/test/results/clientpositive/tez/bucket_map_join_tez1.q.out
@@ -1350,3 +1350,213 @@ STAGE PLANS:
Processor Tree:
ListSink
+PREHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+PREHOOK: type: QUERY
+PREHOOK: Input: default@srcbucket_mapjoin
+PREHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
+PREHOOK: Output: default@tab@ds=2008-04-08
+POSTHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@srcbucket_mapjoin
+POSTHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
+POSTHOOK: Output: default@tab@ds=2008-04-08
+POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).key SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:key, type:int, comment:null), ]
+POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).value SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:value, type:string, comment:null), ]
+PREHOOK: query: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select count(*)
+from tab_part a join tab 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
+ Tez
+ Edges:
+ Map 1 <- Map 3 (CUSTOM_EDGE)
+ Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0 key (type: int)
+ 1 key (type: int)
+ input vertices:
+ 1 Map 3
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ sort order:
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 1 Data size: 11 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: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+ Reducer 2
+ Reduce Operator Tree:
+ Group By Operator
+ aggregations: count()
+ mode: complete
+ 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 tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tab
+PREHOOK: Input: default@tab@ds=2008-04-08
+PREHOOK: Input: default@tab_part
+PREHOOK: Input: default@tab_part@ds=2008-04-08
+#### A masked pattern was here ####
+POSTHOOK: query: select count(*)
+from tab_part a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tab
+POSTHOOK: Input: default@tab@ds=2008-04-08
+POSTHOOK: Input: default@tab_part
+POSTHOOK: Input: default@tab_part@ds=2008-04-08
+#### A masked pattern was here ####
+1
+PREHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+PREHOOK: type: QUERY
+PREHOOK: Input: default@srcbucket_mapjoin
+PREHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
+PREHOOK: Output: default@tab@ds=2008-04-08
+POSTHOOK: query: insert overwrite table tab partition (ds='2008-04-08')
+select key,value from srcbucket_mapjoin where key = 411
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@srcbucket_mapjoin
+POSTHOOK: Input: default@srcbucket_mapjoin@ds=2008-04-08
+POSTHOOK: Output: default@tab@ds=2008-04-08
+POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).key SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:key, type:int, comment:null), ]
+POSTHOOK: Lineage: tab PARTITION(ds=2008-04-08).value SIMPLE [(srcbucket_mapjoin)srcbucket_mapjoin.FieldSchema(name:value, type:string, comment:null), ]
+PREHOOK: query: explain
+select count(*)
+from tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+select count(*)
+from tab_part a join tab 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
+ Tez
+ Edges:
+ Map 1 <- Map 3 (CUSTOM_EDGE)
+ Reducer 2 <- Map 1 (SIMPLE_EDGE)
+#### A masked pattern was here ####
+ Vertices:
+ Map 1
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0 key (type: int)
+ 1 key (type: int)
+ input vertices:
+ 1 Map 3
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ sort order:
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Map 3
+ Map Operator Tree:
+ TableScan
+ alias: b
+ Statistics: Num rows: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 1 Data size: 11 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: 1 Data size: 11 Basic stats: COMPLETE Column stats: NONE
+ Reducer 2
+ Reduce Operator Tree:
+ Group By Operator
+ aggregations: count()
+ mode: complete
+ 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 tab_part a join tab b on a.key = b.key
+PREHOOK: type: QUERY
+PREHOOK: Input: default@tab
+PREHOOK: Input: default@tab@ds=2008-04-08
+PREHOOK: Input: default@tab_part
+PREHOOK: Input: default@tab_part@ds=2008-04-08
+#### A masked pattern was here ####
+POSTHOOK: query: select count(*)
+from tab_part a join tab b on a.key = b.key
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@tab
+POSTHOOK: Input: default@tab@ds=2008-04-08
+POSTHOOK: Input: default@tab_part
+POSTHOOK: Input: default@tab_part@ds=2008-04-08
+#### A masked pattern was here ####
+1