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https://issues.apache.org/jira/browse/TAJO-2082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15179506#comment-15179506
]
Hudson commented on TAJO-2082:
------------------------------
FAILURE: Integrated in Tajo-master-CODEGEN-build #689 (See
[https://builds.apache.org/job/Tajo-master-CODEGEN-build/689/])
TAJO-2082: Aggregation on a derived table which includes union can cause
(jihoonson: rev 7b0af74483521615f302d2a3376556dad325297f)
* tajo-plan/src/main/java/org/apache/tajo/plan/util/PlannerUtil.java
* tajo-common/src/main/java/org/apache/tajo/util/graph/SimpleDirectedGraph.java
*
tajo-common/src/main/java/org/apache/tajo/exception/TooLargeInputForCrossJoinException.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/global/builder/DistinctGroupbyBuilder.java
* tajo-common/src/main/java/org/apache/tajo/util/graph/DirectedGraphVisitor.java
* tajo-core/src/main/java/org/apache/tajo/querymaster/Repartitioner.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/physical/ExternalSortExec.java
* CHANGES
* tajo-common/src/main/java/org/apache/tajo/util/graph/DirectedGraph.java
*
tajo-common/src/test/java/org/apache/tajo/util/graph/TestSimpleDirectedGraph.java
* tajo-core/src/main/java/org/apache/tajo/engine/planner/global/MasterPlan.java
* tajo-core/src/main/java/org/apache/tajo/querymaster/Stage.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/global/GlobalPlanner.java
*
tajo-plan/src/main/java/org/apache/tajo/plan/rewrite/SelfDescSchemaBuildPhase.java
* tajo-core/src/main/java/org/apache/tajo/engine/planner/global/DataChannel.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/global/ExecutionBlock.java
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/global/rewriter/rules/BroadcastJoinRule.java
> Aggregation on a derived table which includes union can cause incorrect result
> ------------------------------------------------------------------------------
>
> Key: TAJO-2082
> URL: https://issues.apache.org/jira/browse/TAJO-2082
> Project: Tajo
> Issue Type: Bug
> Components: distributed query plan
> Affects Versions: 0.11.0, 0.11.1
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Priority: Blocker
> Fix For: 0.12.0, 0.11.2
>
>
> This problem can be reproduced by running the following query on 10GB TPC-H
> data set.
> {noformat}
> select
> sum(t.cnt) as cnt, o_orderkey, o_custkey
> from
> (
> select
> o_orderkey, o_custkey, CAST(COUNT(1) AS INT4) as cnt
> from
> orders
> group by
> o_orderkey, o_custkey
> union all
> select
> o_orderkey, o_custkey, o_shippriority
> from
> orders
> ) as t
> group by
> o_orderkey, o_custkey
> {noformat}
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