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https://issues.apache.org/jira/browse/TAJO-748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13975454#comment-13975454
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Hudson commented on TAJO-748:
-----------------------------
SUCCESS: Integrated in Tajo-master-build #190 (See
[https://builds.apache.org/job/Tajo-master-build/190/])
TAJO-748: Shuffle output numbers of join may be inconsistent. (jaehwa) (jhjung:
rev 2b27f7de70904552d38801f57aa12396a9df75ac)
*
tajo-core/src/test/java/org/apache/tajo/master/querymaster/TestQueryUnitStatusUpdate.java
* tajo-common/src/main/java/org/apache/tajo/conf/TajoConf.java
* tajo-core/src/main/java/org/apache/tajo/master/querymaster/SubQuery.java
*
tajo-core/src/test/resources/results/TestJoinBroadcast/testBroadcastSubquery2.result
* CHANGES.txt
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/global/GlobalPlanner.java
* tajo-core/src/test/resources/queries/TestNetTypes/testJoin.sql
* tajo-core/src/test/java/org/apache/tajo/master/TestExecutionBlockCursor.java
* tajo-core/src/test/java/org/apache/tajo/engine/query/TestJoinBroadcast.java
> Shuffle output numbers of join may be inconsistent.
> ---------------------------------------------------
>
> Key: TAJO-748
> URL: https://issues.apache.org/jira/browse/TAJO-748
> Project: Tajo
> Issue Type: Bug
> Components: planner/optimizer
> Affects Versions: 0.8, 0.9
> Reporter: Jaehwa Jung
> Assignee: Jaehwa Jung
> Priority: Blocker
> Fix For: 0.8, 0.9
>
> Attachments: TAJO-748.patch, TAJO-748_2.patch, TAJO-748_3.patch,
> TAJO-748_4.patch, TAJO-748_5.patch
>
>
> I found that inline view doesn't run expected at multiple join as follows:
> *Environment*
> * DataSet: TPC-DS
> * tajo.dist-query.join.broadcast.auto : false
> *Case: 1*
> {code:xml}
> SELECT COUNT(*)
> FROM (
> SELECT cs.cs_item_sk as cs_item_sk,
> cs.cs_ext_discount_amt as cs_ext_discount_amt
> FROM catalog_sales cs
> JOIN date_dim d ON (d.d_date_sk = cs.cs_sold_date_sk)
> WHERE d.d_date between '2000-01-27' and '2000-04-27'
> ) cs1
> JOIN item i ON (i.i_item_sk = cs1.cs_item_sk);
> {code}
> - actual result: 4163848
> - expected result: 4163848
> *Case: 2*
> {code:xml}
> select count(*)
> from item i
> JOIN (SELECT cs2.cs_item_sk as cs_item_sk,
> 1.3 * avg(cs_ext_discount_amt) as
> avg_cs_ext_discount_amt
> FROM (SELECT cs.cs_item_sk as cs_item_sk,
> cs.cs_ext_discount_amt as
> cs_ext_discount_amt
> FROM catalog_sales cs
> JOIN date_dim d ON (d.d_date_sk = cs.cs_sold_date_sk)
> WHERE d.d_date between '2000-01-27' and '2000-04-27')
> cs2
> GROUP BY cs2.cs_item_sk) tmp1
> ON (i.i_item_sk = tmp1.cs_item_sk);
> {code}
> - actual result: 102000
> - expected result: 102000
> *Case: 3*
> {code:xml}
> SELECT COUNT(*)
> FROM (SELECT cs.cs_item_sk as cs_item_sk,
> cs.cs_ext_discount_amt as cs_ext_discount_amt
> FROM catalog_sales cs
> JOIN date_dim d ON (d.d_date_sk = cs.cs_sold_date_sk)
> WHERE d.d_date between '2000-01-27' and '2000-04-27') cs1
> JOIN item i ON (i.i_item_sk = cs1.cs_item_sk)
> JOIN (SELECT cs2.cs_item_sk as cs_item_sk,
> 1.3 * avg(cs_ext_discount_amt) as
> avg_cs_ext_discount_amt
> FROM (SELECT cs.cs_item_sk as cs_item_sk,
> cs.cs_ext_discount_amt as
> cs_ext_discount_amt
> FROM catalog_sales cs
> JOIN date_dim d ON (d.d_date_sk = cs.cs_sold_date_sk)
> WHERE d.d_date between '2000-01-27' and '2000-04-27')
> cs2
> GROUP BY cs2.cs_item_sk) tmp1
> ON (i.i_item_sk = tmp1.cs_item_sk)
> WHERE i.i_manufact_id = 436;
> {code}
> - actual result: 80
> - expected result: 4586
> *Case: 4*
> {code:xml}
> SELECT COUNT(*)
> FROM (SELECT cs.cs_item_sk as cs_item_sk,
> cs.cs_ext_discount_amt as cs_ext_discount_amt
> FROM catalog_sales cs
> JOIN date_dim d ON (d.d_date_sk = cs.cs_sold_date_sk)
> WHERE d.d_date between '2000-01-27' and '2000-04-27') cs1
> JOIN item i ON (i.i_item_sk = cs1.cs_item_sk)
> JOIN (SELECT cs2.cs_item_sk as cs_item_sk,
> 1.3 * avg(cs_ext_discount_amt) as
> avg_cs_ext_discount_amt
> FROM (SELECT cs.cs_item_sk as cs_item_sk,
> cs.cs_ext_discount_amt as
> cs_ext_discount_amt
> FROM catalog_sales cs
> JOIN date_dim d ON (d.d_date_sk = cs.cs_sold_date_sk)
> WHERE d.d_date between '2000-01-27' and '2000-04-27')
> cs2
> GROUP BY cs2.cs_item_sk) tmp1
> ON (i.i_item_sk = tmp1.cs_item_sk)
> {code}
> - actual result: 71147
> - expected result: 4163848
> For reference, I made activated result using hive.
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