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Repository: hive
Updated Branches:
   refs/heads/master ff1f5b1a7 -> bbb912927


HIVE-11614: CBO: Calcite Operator To Hive Operator (Calcite Return Path): ctas after order by has problem (Pengcheng Xiong, reviewd by Laljo John Pullokkaran)


Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/bbb91292
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/bbb91292
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/bbb91292

Branch: refs/heads/master
Commit: bbb912927a1457daf283f3030cd873d55b93c8c3
Parents: ff1f5b1
Author: Pengcheng Xiong <pxiong@apache.org>
Authored: Sat Sep 12 20:27:16 2015 -0700
Committer: Pengcheng Xiong <pxiong@apache.org>
Committed: Sat Sep 12 20:27:16 2015 -0700

----------------------------------------------------------------------
  .../translator/PlanModifierForReturnPath.java | 4 -
  .../hadoop/hive/ql/parse/CalcitePlanner.java | 7 +-
  .../hadoop/hive/ql/parse/SemanticAnalyzer.java | 2 +-
  .../queries/clientpositive/cbo_rp_auto_join17.q | 14 +
  .../cbo_rp_cross_product_check_2.q | 31 +
  .../clientpositive/cbo_rp_auto_join17.q.out | 118 ++++
  .../cbo_rp_cross_product_check_2.q.out | 699 +++++++++++++++++++
  7 files changed, 866 insertions(+), 9 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hive/blob/bbb91292/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/PlanModifierForReturnPath.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/PlanModifierForReturnPath.java b/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/PlanModifierForReturnPath.java
index 81cc474..95d692c 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/PlanModifierForReturnPath.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/PlanModifierForReturnPath.java
@@ -34,10 +34,6 @@ public class PlanModifierForReturnPath {

      Pair<RelNode, RelNode> topSelparentPair = HiveCalciteUtil.getTopLevelSelect(newTopNode);
      PlanModifierUtil.fixTopOBSchema(newTopNode, topSelparentPair, resultSchema, false);
- if (isCTAS) {
- newTopNode = PlanModifierForASTConv.renameTopLevelSelectInResultSchema(newTopNode,
- topSelparentPair, resultSchema);
- }

      return newTopNode;
    }

http://git-wip-us.apache.org/repos/asf/hive/blob/bbb91292/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java b/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java
index 86bdf7e..8e992da 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java
@@ -193,7 +193,6 @@ import com.google.common.collect.Lists;
  public class CalcitePlanner extends SemanticAnalyzer {

    private final AtomicInteger noColsMissingStats = new AtomicInteger(0);
- private List<FieldSchema> topLevelFieldSchema;
    private SemanticException semanticException;
    private boolean runCBO = true;

@@ -620,7 +619,7 @@ public class CalcitePlanner extends SemanticAnalyzer {
        rethrowCalciteException(e);
        throw new AssertionError("rethrowCalciteException didn't throw for " + e.getMessage());
      }
- optiqOptimizedAST = ASTConverter.convert(optimizedOptiqPlan, topLevelFieldSchema);
+ optiqOptimizedAST = ASTConverter.convert(optimizedOptiqPlan, resultSchema);

      return optiqOptimizedAST;
    }
@@ -644,7 +643,7 @@ public class CalcitePlanner extends SemanticAnalyzer {
      }

      RelNode modifiedOptimizedOptiqPlan = PlanModifierForReturnPath.convertOpTree(
- introduceProjectIfNeeded(optimizedOptiqPlan), topLevelFieldSchema, this.getQB()
+ introduceProjectIfNeeded(optimizedOptiqPlan), resultSchema, this.getQB()
              .getTableDesc() != null);

      LOG.debug("Translating the following plan:\n" + RelOptUtil.toString(modifiedOptimizedOptiqPlan));
@@ -851,7 +850,7 @@ public class CalcitePlanner extends SemanticAnalyzer {
        // 1. Gen Calcite Plan
        try {
          calciteGenPlan = genLogicalPlan(getQB(), true);
- topLevelFieldSchema = SemanticAnalyzer.convertRowSchemaToResultSetSchema(
+ resultSchema = SemanticAnalyzer.convertRowSchemaToResultSetSchema(
              relToHiveRR.get(calciteGenPlan),
              HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVE_RESULTSET_USE_UNIQUE_COLUMN_NAMES));
        } catch (SemanticException e) {

http://git-wip-us.apache.org/repos/asf/hive/blob/bbb91292/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
----------------------------------------------------------------------
diff --git a/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java b/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
index f6052e3..16957b6 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
@@ -261,7 +261,7 @@ public class SemanticAnalyzer extends BaseSemanticAnalyzer {
    private final HashMap<String, SplitSample> nameToSplitSample;
    Map<GroupByOperator, Set<String>> groupOpToInputTables;
    Map<String, PrunedPartitionList> prunedPartitions;
- private List<FieldSchema> resultSchema;
+ protected List<FieldSchema> resultSchema;
    private CreateViewDesc createVwDesc;
    private ArrayList<String> viewsExpanded;
    private ASTNode viewSelect;

http://git-wip-us.apache.org/repos/asf/hive/blob/bbb91292/ql/src/test/queries/clientpositive/cbo_rp_auto_join17.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/cbo_rp_auto_join17.q b/ql/src/test/queries/clientpositive/cbo_rp_auto_join17.q
new file mode 100644
index 0000000..7e2f068
--- /dev/null
+++ b/ql/src/test/queries/clientpositive/cbo_rp_auto_join17.q
@@ -0,0 +1,14 @@
+set hive.cbo.returnpath.hiveop=true;
+set hive.auto.convert.join = true;
+
+CREATE TABLE dest1(key1 INT, value1 STRING, key2 INT, value2 STRING) STORED AS TEXTFILE;
+
+explain
+FROM src src1 JOIN src src2 ON (src1.key = src2.key)
+INSERT OVERWRITE TABLE dest1 SELECT src1.*, src2.*;
+
+
+FROM src src1 JOIN src src2 ON (src1.key = src2.key)
+INSERT OVERWRITE TABLE dest1 SELECT src1.*, src2.*;
+
+SELECT sum(hash(dest1.key1,dest1.value1,dest1.key2,dest1.value2)) FROM dest1;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/hive/blob/bbb91292/ql/src/test/queries/clientpositive/cbo_rp_cross_product_check_2.q
----------------------------------------------------------------------
diff --git a/ql/src/test/queries/clientpositive/cbo_rp_cross_product_check_2.q b/ql/src/test/queries/clientpositive/cbo_rp_cross_product_check_2.q
new file mode 100644
index 0000000..6c35548
--- /dev/null
+++ b/ql/src/test/queries/clientpositive/cbo_rp_cross_product_check_2.q
@@ -0,0 +1,31 @@
+set hive.cbo.returnpath.hiveop=true;
+set hive.explain.user=false;
+-- SORT_QUERY_RESULTS
+
+create table A as
+select * from src;
+
+create table B as
+select * from src order by key
+limit 10;
+
+set hive.auto.convert.join=true;
+set hive.auto.convert.join.noconditionaltask=true;
+set hive.auto.convert.join.noconditionaltask.size=10000000;
+
+explain select * from A join B;
+
+explain select * from B d1 join B d2 on d1.key = d2.key join A;
+
+explain select * from A join
+ (select d1.key
+ from B d1 join B d2 on d1.key = d2.key
+ where 1 = 1 group by d1.key) od1;
+
+explain select * from A join (select d1.key from B d1 join B d2 where 1 = 1 group by d1.key) od1;
+
+explain select * from
+(select A.key from A group by key) ss join
+(select d1.key from B d1 join B d2 on d1.key = d2.key where 1 = 1 group by d1.key) od1;
+
+

http://git-wip-us.apache.org/repos/asf/hive/blob/bbb91292/ql/src/test/results/clientpositive/cbo_rp_auto_join17.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/cbo_rp_auto_join17.q.out b/ql/src/test/results/clientpositive/cbo_rp_auto_join17.q.out
new file mode 100644
index 0000000..351699d
--- /dev/null
+++ b/ql/src/test/results/clientpositive/cbo_rp_auto_join17.q.out
@@ -0,0 +1,118 @@
+PREHOOK: query: CREATE TABLE dest1(key1 INT, value1 STRING, key2 INT, value2 STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+PREHOOK: Output: database:default
+PREHOOK: Output: default@dest1
+POSTHOOK: query: CREATE TABLE dest1(key1 INT, value1 STRING, key2 INT, value2 STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@dest1
+PREHOOK: query: explain
+FROM src src1 JOIN src src2 ON (src1.key = src2.key)
+INSERT OVERWRITE TABLE dest1 SELECT src1.*, src2.*
+PREHOOK: type: QUERY
+POSTHOOK: query: explain
+FROM src src1 JOIN src src2 ON (src1.key = src2.key)
+INSERT OVERWRITE TABLE dest1 SELECT src1.*, src2.*
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-5 is a root stage
+ Stage-4 depends on stages: Stage-5
+ Stage-0 depends on stages: Stage-4
+ Stage-2 depends on stages: Stage-0
+
+STAGE PLANS:
+ Stage: Stage-5
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ src1
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ src1
+ TableScan
+ alias: src1
+ 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
+ Select Operator
+ expressions: key (type: string), value (type: string)
+ outputColumnNames: key, value
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0 key (type: string)
+ 1 key (type: string)
+
+ Stage: Stage-4
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ alias: src2
+ 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
+ Select Operator
+ expressions: key (type: string), value (type: string)
+ outputColumnNames: key, value
+ 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: string)
+ 1 key (type: string)
+ outputColumnNames: key, value, key0, value0
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: UDFToInteger(key) (type: int), value (type: string), UDFToInteger(key0) (type: int), value0 (type: string)
+ outputColumnNames: _col0, _col1, _col2, _col3
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ table:
+ input format: org.apache.hadoop.mapred.TextInputFormat
+ output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+ serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+ name: default.dest1
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-0
+ Move Operator
+ tables:
+ replace: true
+ table:
+ input format: org.apache.hadoop.mapred.TextInputFormat
+ output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
+ serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
+ name: default.dest1
+
+ Stage: Stage-2
+ Stats-Aggr Operator
+
+PREHOOK: query: FROM src src1 JOIN src src2 ON (src1.key = src2.key)
+INSERT OVERWRITE TABLE dest1 SELECT src1.*, src2.*
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Output: default@dest1
+POSTHOOK: query: FROM src src1 JOIN src src2 ON (src1.key = src2.key)
+INSERT OVERWRITE TABLE dest1 SELECT src1.*, src2.*
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Output: default@dest1
+POSTHOOK: Lineage: dest1.key1 EXPRESSION [(src)src1.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: dest1.key2 EXPRESSION [(src)src2.FieldSchema(name:key, type:string, comment:default), ]
+POSTHOOK: Lineage: dest1.value1 SIMPLE [(src)src1.FieldSchema(name:value, type:string, comment:default), ]
+POSTHOOK: Lineage: dest1.value2 SIMPLE [(src)src2.FieldSchema(name:value, type:string, comment:default), ]
+PREHOOK: query: SELECT sum(hash(dest1.key1,dest1.value1,dest1.key2,dest1.value2)) FROM dest1
+PREHOOK: type: QUERY
+PREHOOK: Input: default@dest1
+#### A masked pattern was here ####
+POSTHOOK: query: SELECT sum(hash(dest1.key1,dest1.value1,dest1.key2,dest1.value2)) FROM dest1
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@dest1
+#### A masked pattern was here ####
+-793937029770

http://git-wip-us.apache.org/repos/asf/hive/blob/bbb91292/ql/src/test/results/clientpositive/cbo_rp_cross_product_check_2.q.out
----------------------------------------------------------------------
diff --git a/ql/src/test/results/clientpositive/cbo_rp_cross_product_check_2.q.out b/ql/src/test/results/clientpositive/cbo_rp_cross_product_check_2.q.out
new file mode 100644
index 0000000..cdd47b6
--- /dev/null
+++ b/ql/src/test/results/clientpositive/cbo_rp_cross_product_check_2.q.out
@@ -0,0 +1,699 @@
+PREHOOK: query: -- SORT_QUERY_RESULTS
+
+create table A as
+select * from src
+PREHOOK: type: CREATETABLE_AS_SELECT
+PREHOOK: Input: default@src
+PREHOOK: Output: database:default
+PREHOOK: Output: default@A
+POSTHOOK: query: -- SORT_QUERY_RESULTS
+
+create table A as
+select * from src
+POSTHOOK: type: CREATETABLE_AS_SELECT
+POSTHOOK: Input: default@src
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@A
+PREHOOK: query: create table B as
+select * from src order by key
+limit 10
+PREHOOK: type: CREATETABLE_AS_SELECT
+PREHOOK: Input: default@src
+PREHOOK: Output: database:default
+PREHOOK: Output: default@B
+POSTHOOK: query: create table B as
+select * from src order by key
+limit 10
+POSTHOOK: type: CREATETABLE_AS_SELECT
+POSTHOOK: Input: default@src
+POSTHOOK: Output: database:default
+POSTHOOK: Output: default@B
+Warning: Map Join MAPJOIN[9][bigTable=?] in task 'Stage-3:MAPRED' is a cross product
+PREHOOK: query: explain select * from A join B
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from A join B
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-4 is a root stage
+ Stage-3 depends on stages: Stage-4
+ Stage-0 depends on stages: Stage-3
+
+STAGE PLANS:
+ Stage: Stage-4
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ b
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ b
+ TableScan
+ alias: b
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: key (type: string), value (type: string)
+ outputColumnNames: key, value
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0
+ 1
+
+ Stage: Stage-3
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: key (type: string), value (type: string)
+ outputColumnNames: key, value
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0
+ 1
+ outputColumnNames: key, value, key0, value0
+ Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: key (type: string), value (type: string), key0 (type: string), value0 (type: string)
+ outputColumnNames: key, value, key0, value0
+ Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 550 Data size: 5843 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
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-0
+ Fetch Operator
+ limit: -1
+ Processor Tree:
+ ListSink
+
+Warning: Map Join MAPJOIN[17][bigTable=?] in task 'Stage-5:MAPRED' is a cross product
+PREHOOK: query: explain select * from B d1 join B d2 on d1.key = d2.key join A
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from B d1 join B d2 on d1.key = d2.key join A
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-7 is a root stage
+ Stage-5 depends on stages: Stage-7
+ Stage-0 depends on stages: Stage-5
+
+STAGE PLANS:
+ Stage: Stage-7
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ a
+ Fetch Operator
+ limit: -1
+ d1
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ a
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0
+ 1
+ d1
+ TableScan
+ alias: d1
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 5 Data size: 48 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0 key (type: string)
+ 1 key (type: string)
+
+ Stage: Stage-5
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ alias: d2
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 5 Data size: 48 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0 key (type: string)
+ 1 key (type: string)
+ outputColumnNames: _col0, _col1, _col5, _col6
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0
+ 1
+ outputColumnNames: _col0, _col1, _col5, _col6, _col10, _col11
+ Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE 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: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 550 Data size: 5843 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
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-0
+ Fetch Operator
+ limit: -1
+ Processor Tree:
+ ListSink
+
+Warning: Map Join MAPJOIN[25][bigTable=?] in task 'Stage-6:MAPRED' is a cross product
+PREHOOK: query: explain select * from A join
+ (select d1.key
+ from B d1 join B d2 on d1.key = d2.key
+ where 1 = 1 group by d1.key) od1
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from A join
+ (select d1.key
+ from B d1 join B d2 on d1.key = d2.key
+ where 1 = 1 group by d1.key) od1
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-9 is a root stage
+ Stage-2 depends on stages: Stage-9
+ Stage-8 depends on stages: Stage-2
+ Stage-6 depends on stages: Stage-8
+ Stage-0 depends on stages: Stage-6
+
+STAGE PLANS:
+ Stage: Stage-9
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ od1:d1
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ od1:d1
+ TableScan
+ alias: d1
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 5 Data size: 48 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0 key (type: string)
+ 1 key (type: string)
+
+ Stage: Stage-2
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ alias: d2
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 5 Data size: 48 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0 key (type: string)
+ 1 key (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Group By Operator
+ keys: _col0 (type: string)
+ mode: hash
+ outputColumnNames: _col0
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ key expressions: _col0 (type: string)
+ sort order: +
+ Map-reduce partition columns: _col0 (type: string)
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Local Work:
+ Map Reduce Local Work
+ Reduce Operator Tree:
+ Group By Operator
+ keys: KEY._col0 (type: string)
+ mode: mergepartial
+ outputColumnNames: _col0
+ Statistics: Num rows: 2 Data size: 20 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 2 Data size: 20 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-8
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ a
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ a
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0
+ 1
+
+ Stage: Stage-6
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0
+ 1
+ outputColumnNames: _col0, _col1, _col5
+ Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string)
+ outputColumnNames: _col0, _col1, _col2
+ Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 550 Data size: 5843 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
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-0
+ Fetch Operator
+ limit: -1
+ Processor Tree:
+ ListSink
+
+Warning: Map Join MAPJOIN[21][bigTable=?] in task 'Stage-6:MAPRED' is a cross product
+Warning: Map Join MAPJOIN[22][bigTable=d2] in task 'Stage-2:MAPRED' is a cross product
+PREHOOK: query: explain select * from A join (select d1.key from B d1 join B d2 where 1 = 1 group by d1.key) od1
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from A join (select d1.key from B d1 join B d2 where 1 = 1 group by d1.key) od1
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-9 is a root stage
+ Stage-2 depends on stages: Stage-9
+ Stage-8 depends on stages: Stage-2
+ Stage-6 depends on stages: Stage-8
+ Stage-0 depends on stages: Stage-6
+
+STAGE PLANS:
+ Stage: Stage-9
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ od1:d1
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ od1:d1
+ TableScan
+ alias: d1
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0
+ 1
+
+ Stage: Stage-2
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ alias: d2
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: COMPLETE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0
+ 1
+ outputColumnNames: _col0
+ Statistics: Num rows: 11 Data size: 105 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 11 Data size: 105 Basic stats: COMPLETE Column stats: NONE
+ Group By Operator
+ keys: _col0 (type: string)
+ mode: hash
+ outputColumnNames: _col0
+ Statistics: Num rows: 11 Data size: 105 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ key expressions: _col0 (type: string)
+ sort order: +
+ Map-reduce partition columns: _col0 (type: string)
+ Statistics: Num rows: 11 Data size: 105 Basic stats: COMPLETE Column stats: NONE
+ Local Work:
+ Map Reduce Local Work
+ Reduce Operator Tree:
+ Group By Operator
+ keys: KEY._col0 (type: string)
+ mode: mergepartial
+ outputColumnNames: _col0
+ Statistics: Num rows: 5 Data size: 47 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 5 Data size: 47 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-8
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ a
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ a
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0
+ 1
+
+ Stage: Stage-6
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0
+ 1
+ outputColumnNames: _col0, _col1, _col5
+ Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string), _col5 (type: string)
+ outputColumnNames: _col0, _col1, _col2
+ Statistics: Num rows: 550 Data size: 5843 Basic stats: COMPLETE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 550 Data size: 5843 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
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-0
+ Fetch Operator
+ limit: -1
+ Processor Tree:
+ ListSink
+
+Warning: Map Join MAPJOIN[47][bigTable=?] in task 'Stage-7:MAPRED' is a cross product
+Warning: Map Join MAPJOIN[39][bigTable=?] in task 'Stage-6:MAPRED' is a cross product
+Warning: Shuffle Join JOIN[21][tables = [ss, od1]] in Stage 'Stage-2:MAPRED' is a cross product
+PREHOOK: query: explain select * from
+(select A.key from A group by key) ss join
+(select d1.key from B d1 join B d2 on d1.key = d2.key where 1 = 1 group by d1.key) od1
+PREHOOK: type: QUERY
+POSTHOOK: query: explain select * from
+(select A.key from A group by key) ss join
+(select d1.key from B d1 join B d2 on d1.key = d2.key where 1 = 1 group by d1.key) od1
+POSTHOOK: type: QUERY
+STAGE DEPENDENCIES:
+ Stage-1 is a root stage
+ Stage-8 depends on stages: Stage-1, Stage-4 , consists of Stage-10, Stage-11, Stage-2
+ Stage-10 has a backup stage: Stage-2
+ Stage-6 depends on stages: Stage-10
+ Stage-11 has a backup stage: Stage-2
+ Stage-7 depends on stages: Stage-11
+ Stage-2
+ Stage-12 is a root stage
+ Stage-4 depends on stages: Stage-12
+ Stage-0 depends on stages: Stage-6, Stage-7, Stage-2
+
+STAGE PLANS:
+ Stage: Stage-1
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ alias: a
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: key (type: string)
+ outputColumnNames: key
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Group By Operator
+ keys: key (type: string)
+ mode: hash
+ outputColumnNames: _col0
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ key expressions: _col0 (type: string)
+ sort order: +
+ Map-reduce partition columns: _col0 (type: string)
+ Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: NONE
+ Reduce Operator Tree:
+ Group By Operator
+ keys: KEY._col0 (type: string)
+ mode: mergepartial
+ outputColumnNames: _col0
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 250 Data size: 2656 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-8
+ Conditional Operator
+
+ Stage: Stage-10
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ $INTNAME1
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ $INTNAME1
+ TableScan
+ HashTable Sink Operator
+ keys:
+ 0
+ 1
+
+ Stage: Stage-6
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0
+ 1
+ outputColumnNames: _col0, _col1
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string)
+ outputColumnNames: _col0, _col1
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 275 Data size: 2921 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
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-11
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ $INTNAME
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ $INTNAME
+ TableScan
+ HashTable Sink Operator
+ keys:
+ 0
+ 1
+
+ Stage: Stage-7
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0
+ 1
+ outputColumnNames: _col0, _col1
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string)
+ outputColumnNames: _col0, _col1
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 275 Data size: 2921 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
+ Local Work:
+ Map Reduce Local Work
+
+ Stage: Stage-2
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ Reduce Output Operator
+ sort order:
+ Statistics: Num rows: 250 Data size: 2656 Basic stats: COMPLETE Column stats: NONE
+ value expressions: _col0 (type: string)
+ TableScan
+ Reduce Output Operator
+ sort order:
+ Statistics: Num rows: 2 Data size: 20 Basic stats: COMPLETE Column stats: NONE
+ value expressions: _col0 (type: string)
+ Reduce Operator Tree:
+ Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0
+ 1
+ outputColumnNames: _col0, _col1
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string), _col1 (type: string)
+ outputColumnNames: _col0, _col1
+ Statistics: Num rows: 275 Data size: 2921 Basic stats: COMPLETE Column stats: NONE
+ File Output Operator
+ compressed: false
+ Statistics: Num rows: 275 Data size: 2921 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-12
+ Map Reduce Local Work
+ Alias -> Map Local Tables:
+ od1:d1
+ Fetch Operator
+ limit: -1
+ Alias -> Map Local Operator Tree:
+ od1:d1
+ TableScan
+ alias: d1
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 5 Data size: 48 Basic stats: COMPLETE Column stats: NONE
+ HashTable Sink Operator
+ keys:
+ 0 key (type: string)
+ 1 key (type: string)
+
+ Stage: Stage-4
+ Map Reduce
+ Map Operator Tree:
+ TableScan
+ alias: d2
+ Statistics: Num rows: 10 Data size: 96 Basic stats: COMPLETE Column stats: NONE
+ Filter Operator
+ predicate: key is not null (type: boolean)
+ Statistics: Num rows: 5 Data size: 48 Basic stats: COMPLETE Column stats: NONE
+ Map Join Operator
+ condition map:
+ Inner Join 0 to 1
+ keys:
+ 0 key (type: string)
+ 1 key (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Group By Operator
+ keys: _col0 (type: string)
+ mode: hash
+ outputColumnNames: _col0
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Reduce Output Operator
+ key expressions: _col0 (type: string)
+ sort order: +
+ Map-reduce partition columns: _col0 (type: string)
+ Statistics: Num rows: 5 Data size: 52 Basic stats: COMPLETE Column stats: NONE
+ Local Work:
+ Map Reduce Local Work
+ Reduce Operator Tree:
+ Group By Operator
+ keys: KEY._col0 (type: string)
+ mode: mergepartial
+ outputColumnNames: _col0
+ Statistics: Num rows: 2 Data size: 20 Basic stats: COMPLETE Column stats: NONE
+ Select Operator
+ expressions: _col0 (type: string)
+ outputColumnNames: _col0
+ Statistics: Num rows: 2 Data size: 20 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-0
+ Fetch Operator
+ limit: -1
+ Processor Tree:
+ ListSink
+

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groupcommits @
categorieshive, hadoop
postedSep 13, '15 at 3:27a
activeSep 13, '15 at 3:27a
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